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ZX-T SeriesSmart Sensors
Operation Manual
High-precision Contact Type
Cat. No. E346-E1-06
Nishi This manual not printed
Terms and Conditions Agreement
Warranty, Limitations of Liability
WarrantiesExclusive WarrantyOmron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron disclaims all other warranties, express or implied.
LimitationsOMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Buyer RemedyOmron’s sole obligation hereunder shall be, at Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty, repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above warranty.
See http://www.omron.com/global/ or contact your Omron representative for published information.
Limitation on Liability; EtcOMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.
Application Considerations
Suitability of UseOmron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
Programmable ProductsOmron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence thereof.
Disclaimers
Performance DataData presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.
Change in SpecificationsProduct specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change part numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at any time to confirm actual specifications of purchased Product.
Errors and OmissionsInformation presented by Omron Companies has been checked and is believed to be accurate; however,no responsibility is assumed for clerical, typographical or proofreading errors or omissions.
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Preface
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Preface
Section 1
Section 2
Section 3
Section 4
Section 5
Section 6
Appendices
InP
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D
A
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troduction, Contents, Precautions for Safe Use, recautions for Correct Use, and How to Use This Manual
atures
reparations for Measurement
asic Operation
ain Applications and Setting Methods
etailed Settings
uxiliary Functions
oubleshooting, Specifications, Characteristic Data, etc.
ex
Operation Manual
Smart SensorsZX-T Series
Index
2
Preface
Intro
du
ction
PREFACE
IntroductionThank you for purchasing an OMRON ZX-T-series Smart Sensor (High-precision Con-tact Type). This manual describes the functions, performance, and application methods for the ZX-T-series Smart Sensor. Observe the following items when using the Sensor
• To ensure safety, please read and understand this manual before using theSensor.
• Keep this manual in an easily accessible location for quick reference whenneeded.
ZX-TOperation Manual
PREFACE Ç
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Contents
Terms and Conditions Agreement 1
Introduction 2
Contents 3
Precautions for Safe Use 7
Precautions for Correct Use 8
How to Use This Manual 10
Section 1 Features 13
ZX-T Features 14
Section 2 Preparations for Measurement 19
Basic Configuration 20
Part Names and Functions 21
Installing the Amplifier Unit 24
Installing Sensor Heads 26
Connections 30
Wiring Output Cables 34
Confirming Warm-up Completion 36
Pressing Force Alarm 37
3ZX-T
Operation Manual
4
Preface
Co
nten
ts
PREFACE
Section 3 Basic Operation 39
Flow of Operation 40
Basic Knowledge for Operation 42
Function Transition Charts 47
Section 4 Main Applications and Setting Methods 51
Measuring Thickness 52
Measuring the Height of a Step and Flatness 57
Measuring Depth 62
Other Measurements 67
Section 5 Detailed Settings 69
Setting Number of Samples to Average 70
Using Hold Functions 71
Inverting Positive and Negative Values (Scale Inversion) 75
Entering Threshold Values 77
Linear Output 81
Calculating Measured Values 90
Using the Zero Reset Function 92
Error Output Function 98
ZX-TOperation Manual
PREFACE Ç
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Section 6 Auxiliary Functions 101
Changing the Number of Display Digits 102
Reversing the Display 103
Adjusting Display Brightness (ECO Display) 105
Key Lock Function 106
Correcting the Distance Display (Span Adjustment) 107
Initializing Settings Data 109
Appendices 111
Actuators 112
Troubleshooting 115
Error Messages and Countermeasures 116
Q&A 118
Glossary 119
Specifications and Dimensions 120
Characteristic Data (Reference Value) 131
Quick Reference for Displays 132
Index
Revision History
5ZX-T
Operation Manual
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Preface
Co
nten
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PREFACE
ZX-TOperation Manual
PrecAlways o
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■ Po• D
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Preface
Precau
tion
s for S
afe Use
PREFACE
autions for Safe Usebserve the following precautions to ensure safety.
nvironmento not use the Smart Sensor in locations subject to explosive or flammable gases.
o ensure safety in operation and maintenance, do not install the Smart Sensor nearigh-voltage equipment or power devices.
wer Supply and Wiringo not impose voltages exceeding the rated voltage (12 to 24 VDC ±10%).
hen supplying power to the Sensor, make sure that the polarity of the power is cor-ect, and do not connect to an AC power supply.
o not short-circuit the load for the open collector output.
o not lay the power supply cable for the Smart Sensor together with high-voltageines or power lines. Doing so, or placing them into the same duct, can cause induc-ion and lead to malfunction or damage.
lways turn OFF the power supply before wiring and before connecting or disconnect-ng connectors.
se a DC power supply equipped with measures to counter generation of high volt-ges (safety overvoltage/undervoltage circuits) or use a UL Class 2 DC power supply.o not ground the positive terminal on the secondary side (i.e., the DC side).
ettingshen setting the threshold value with the Smart Sensor connected to an external
evice, turn ON the Amplifier Unit's judgement output hold input to prevent theudgement from being output to the external device.
pplicable standards N61326-1
lectromagnetic environment: Industrial electromagnetic environment(EN/IEC 61326-1 Table 2)
here may be cases that current output or voltage output fluctuate within ±3 times ofesolution when a sensor is experienced electromagnetic interference.
thershe ZX-L-series Smart Sensors (Laser Type), ZX-E-series Smart Sensors (Linearroximity Type), and ZX-W-series Smart Sensors (Microwave Type) are not compati-le. Do not use ZX-L, ZX-E, or ZX-W-series Smart Sensors together with ZX-T-seriesmart Sensors.
o not attempt to disassemble, repair, or modify the Smart Sensor.
7ZX-T
Operation Manual
hen disposing of the Smart Sensor, treat it as industrial waste.
8
Preface
Precau
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orrect U
se
ZX-TOperation M
PREFA
PrecAlways oadverse e
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CE
autions for Correct Usebserve the following precautions to prevent operation failures, malfunctions, andffects on performance and equipment.
Sensor Installationnvironment not install the Smart Sensor in the following locations:
ocations where the ambient temperature exceeds the rated temperature range.
ocations subject to rapid changes in temperature (causing condensation).
ocations where the relative humidity exceeds the range of 35% to 85%.
ocations subject to corrosive or flammable gases.
ocations where dust, salt, or metallic powder accumulate on the Sensor.
ocations subject to direct vibration or impact.
ocations subject to direct sunlight.
ocations subject to exposure to water, oil, chemicals, etc.
ocations subject to strong electromagnetic or electrical fields.
ocations subject to water vapor.
lation and Handling of Componentswer Supply and Wiringhe total length of the Sensor cable or Amplifier cable must be 10 m or less. se a ZX-XC@A Extension Cable (order separately) if required to extend the cable
rom the Sensor. Use a shielded cable to extend the Amplifier cable. The shieldedable must be the same as that of the Amplifier cable.
hen using a commercially available switching regulator, ground the FG (frameround) terminal. (ZX-TDS01T and ZX-TDS04T-@)f the power supply line is subject to surges, connect a surge absorber that meets theonditions of the application environment.
hen connecting multiple Amplifier Units, connect the linear grounds of all the Ampli-ier Units.
he Sensor Head is not flame resistant (ZX-TDS10T-@@).
anual
Preface
Precau
tion
s for C
orrect U
sePREFACE
■ Sensor Head• The Sensor Head is a high-precision device. Do not drop it or otherwise expose it to
shock.
• Do not expose the plunger to forces exceeding the limits in the following diagram.Doing so may damage the plunger.
• Take measurements within the range that does not set off the Pressing Force Alarm.
• Do not remove the rubber boot. Without the rubber boot, foreign matter may enter theSensor Head, possibly causing the Sensor Head to malfunction.
• Mount the Sensor Head and Preamplifier in the specified location and under the spec-ified load. Excessive force during installation may damage the Sensor Head orPreamplifier.
• Replace worn actuators.
Replacing Actuators, p. 113
• Do not use the Sensor to measure objects that are revolving or moving (i.e., dynamicmeasurement).
• Do not use air pressure outside the rated range when using a vacuum retract (VR) orair push (AP). The measured pressure will fluctuate due to the air pressure, so the airpressure must be regulated. An air vacuum device and a solenoid are required (ZX-TDS10T-V@ only).
• Supply dry air with filtration of 5 µm max. (ZX-TDS10T-V@ only).• The ZX-TDS10T-L can be mounted only facing downward.
■ Warming UpAfter turning ON the power, allow the Smart Sensor to warm up for 15 minutes mini-mum prior to use. The circuitry is not stable immediately after turning the power ON,and the values gradually change until the Sensor is completely warmed up.
■ Maintenance and Inspection• Always turn OFF the power supply before adjusting or removing the Sensor Head.
• Do not use thinners, benzine, acetone, or kerosene to clean the Sensor Head orAmplifier Unit.
30 N 30 N 1 N 0.15 N•mRubber bootActuator
Plunger
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Operation Manual
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PREFACE
How to Use This Manual
Page FormatSection TitleMain Heading in a SectionIndicates page contents.
OutlineProvides an outline or gives a flowchart of the operation de-scribed under the main heading.Sub-headingIndex LabelGives the section number and subject matter.
Function Outline and Suggestions
OperationIndicates the operation to be performed next.
Display AreaShows the display status after a step in an operation.
Keys and SwitchesProvides an illustration of the keys or switches used during the operation.
Procedure and Additional ExplanationsInformation useful during the operation and reference pages are provided here with special marks to indicate the kind of information being provided.
* This page does not actually exist in this manual.
Section 5Detailed Settings
This function is used to set the output to external devices.
Linear Output
A linear output refers to a measurement result that is converted andoutput as a current between 3 and 21 mA or a voltage between -5 and +5 V.
Output Settings (Monitor Focus)
Using the Zero Reset FunctionZero reset is canceled when the monitor focus setting is set. Set the
Changing to T Mode
Set the mode switch to T.
Set the switch to the threshold value to be set.
Press any Cursor Key.
The first digit of the threshold value displayed on the sub-display will flash and direct input will be enabled.
Change the threshold value with the Cursor Keys.
To cancel the selected setting, use the LEFT Key to move the cursor to the leftmost digit and press the LEFT Key again. he display will return to the current setting.
ZX-T Operation Manual 91
ZX-TOperation Manual
Preface
Ho
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alPREFACE
Notation
■ MenusItems that appear on the digital displays are set in ALL-CAPS.
■ ProceduresThe order for the procedures is indicated by numbered steps.
■ Visual Aids
Provides information on important operating procedures, gives advice on how to use functions, andhighlights important performance information.
Indicates pages with relevant information.
Indicates useful information for when problems arise.
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PREFACE
ZX-TOperation Manual
Sectio
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FE
AT
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Section 1FEATURES
ZX-T Features 14
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ZX
-T F
eatures
Section 1FEATURES
ZX-T FeaturesThe ZX-T-series Smart Sensor measures the height of sensing objects and minute steps (i.e.,height differences).
Example: Measuring Electronic Components Dimensions
ZX-TDA ZX-TDA ZX-TDA
Measured value output
Judgement output
The small-diameter Sensor Heads enable multiple-point measurements on small components
ZX-TOperation Manual
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ZX
-T F
eatures
Section 1FEATURES
Many, Simple Functions
■ Measurement Ready at Power ONThe Smart Sensor can be used simply by installing and wiring it. Simply turn ON thepower and it’s ready to operate.
The measurement distance is displayed on the Amplifier Unit.
■ Simple Calculation SettingsUse Calculating Units to easily calculate step heights and thicknesses through multi-point measurements.
p. 51
Calculating Units
Amplifier Units (8 Units max.)
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ZX
-T F
eatures
Section 1FEATURES
Compatibility between Sensor Heads and Amplifier Units
Amplifier Units do not need to be changed when Sensor Heads are changed for main-tenance or to switch to new products.
Extendable Sensor Head Cables
An extension cable with a maximum length of 8 m can be connected. The ZX-XC-AExtension Cable is required to extend the Sensor Head cable.
p. 20
Extension Cable
Up to 8 m
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-T F
eatures
Section 1FEATURES
Convenient Notification Functions
■ Preventing Malfunctions Caused by Excessive Pressing Force Malfunctions caused by excessive plunger pressing force for unexpected measure-ments can be detected in advance and a signal can be output to stop the measurementor otherwise prevent malfunction.
p. 37.
■ Warming Up DisplayThe display shows the warming-up status when the power is turned ON. This enablesmeasurements to be started when the status has stabilized after warming up has beencompleted.
p. 36.
Direction of sensing object movement
SUB
(mm)
POWER ENABLEZERO
Warming up in progress
Warming up completed
Time lapsed after power up (min.)
Flu
ctua
tion
of m
easu
red
valu
e
Bel
ow s
peci
fied
res
olut
ion
The sub-display flashes W-UP during warm-up.
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-T F
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Section 1FEATURES
Monitoring Measurement Status
■ Confirm Measurement Status on a Personal ComputerUse an Interface Unit and Smart Monitor V3 to view measurement waveforms and logmeasurement data on a personal computer. This function is useful for making on-sitemeasurement adjustments and for day-to-day quality control.
p. 20
Smart Monitor V3
Interface Unit Amplifier Unit (5 Units max.)
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Section 2PREPARATIONS FOR MEASUREMENT
Basic Configuration 20
IONS F
OR
ME
AS
UR
EM
EN
T
Part Names and Functions 21
Installing the Amplifier Unit 24
Installing Sensor Heads 26
Connections 30
Wiring Output Cables 34
Confirming Warm-up Completion 36
Pressing Force Alarm 37
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Basic C
on
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Section 2PREPARATIONS FOR MEASUREMENT
Basic ConfigurationThe basic configuration of the ZX-T-series Smart Sensors is shown below.
ZX-L-series Smart Sensors (Laser Type), ZX-E-series Smart Sensors (Linear Proximity Type), and ZX-W-series Smart Sensors (Microwave Type) are not compatible. Do not use ZX-L-series, ZX-E-series, or ZX-W-series Smart Sensors together with ZX-T-series Smart Sensors.
Smart Monitor (software)
ZX-SW11(Version 3.0 or later)
Controls Amplifier Units from a personal computer and monitors measured values.
Personal computer
ZX-TDS@@T
Interface Unit
ZX-SF11(Version 2.0 or later)
Used when connecting a programmable controller.
Sensor Heads
Sensor Heads measure sensing objects.
Extension Cables
ZX-XC1A (1 m)ZX-XC4A (4 m)ZX-XC8A (8 m)
Used between Sensor Heads and Amplifier Units.
Amplifier Units
ZX-TDA11/41Process measure-ments and output measurement results. Calculating Units
ZX-CAL2
Used when connecting multiple Amplifier Units.• Perform calculations.
Power Supply
12 to 24 V DC (±10%)
Basic Configuration
p. 33
p. 21
p. 26
p. 31
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Part Names and Functions
Amplifier Units
(1) The input cable connects the Sensor Head.
(2) The current/voltage switch selects either a current or voltage linear output.
Monitor focus settings are also required when switching the output. p. 81
(3) The connectors connect Calculation and Interface Units.
(4) The output cable connects to the power supply and external devices, such as sync sensors orprogrammable controllers.
(5) The Power ON indicator lights when the power is turned ON.
(6) The Zero Reset indicator lights when the zero reset function is enabled.
(7) The ENABLE indicator lights when the measurement result is within the rated measurementdistance.
(8) The HIGH indicator lights when the judgement result is HIGH.
(9) The PASS indicator lights when the judgement result is PASS.
(10) The LOW indicator lights when the judgement result is LOW.
(11) The main display shows measured values and function names.
(12) The sub-display shows additional information and function settings for measurements. Reading Displays, p. 43
(13) The threshold switch selects whether to set (and display) the HIGH or LOW threshold.
(14) The mode switch selects the operating mode. Switching Modes, p. 42
(15) The Control Keys set measurement conditions and other settings. Key Operations, p. 44
Display area (❋)
(1) Input cable
Controls (❋)
(4) Output cable
(3) Connectors (one on each side, two total)
(2) Current/voltage switch (back of Unit)
(8) HIGH indicator
(9) PASS indicator
(10) LOW indicator
(11) Main display
(12) Sub-display (13) Threshold switch
(14) Mode switch
(5) Power ON indicator(6) Zero reset indicator
(15) Operating Keys
(7) ENABLE indicator
❋ Details of Controls and Display Area
Current/voltage output selector
Voltage output
Current output
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Section 2PREPARATIONS FOR MEASUREMENT
Sensor Heads
Calculating Units
PreamplifierConnectorConnects to Amplifier Unit.Actuator
Plunger
Rubber boot
Sensor Head
Display (*) Connectors (one on each side, two total)Connects to Amplifier Unit.
Connector indicatorsLight when Calculating Unit is connected to Amplifier Units.
❋ Display Detail
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Interface Units
(1) The communications connector connects the communications cable to the ProgrammableController.
(2) The Amplifier Unit connector connects to the Amplifier Unit.
(3) The power supply indicator lights when the power is turned ON.
(4) BUSY: Lights during communications with the Smart Sensor.ERR: Lights if an error occurs during communications with the Smart Sensor.
(5) BUSY: Lights during communications with the Programmable Controller.
ERR: Lights if an error occurs during communications with the Programmable Controller.
Display (❋)
(1) Communications Connector
(2) Amplifier Unit Connector
(3) Power supply indicator(4) Sensor communications indicators (BUSY and ERR)
(5) External terminal communications indicators (BUSY and ERR)
❋ Display Detail
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Section 2PREPARATIONS FOR MEASUREMENT
Installing the Amplifier UnitAmplifier Units can be easily mounted to 35-mm DIN Track.
■ InstallationHook the connector end of the Amplifier Unit on the DIN Track and press in at the bot-tom until the Unit locks into place.
Always hook the connector end of the Amplifier Unit on the DIN Track first. Mounting strengthmay decrease if the output cable end is hooked on the DIN Track first.
DIN Track (order separately) PFP-100N (1 m) PFP-50N (0. 5 m) PFP-100N2 (1 m)
End Plates (order separately) PFP-M
Hook on the connector end
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Section 2PREPARATIONS FOR MEASUREMENT
■ Removal MethodPush the Amplifier Unit up and pull out from the connector end.
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s
Section 2PREPARATIONS FOR MEASUREMENT
Installing Sensor HeadsThis section describes how to install Sensor Heads and Preamplifiers.
Secure the connector so that it is not subjected to vibration or shock.
Sensor Heads
■ Installation
Do not clamp the Sensor Head directly on the end of the screw. Otherwise, the Sensor Head maybe damaged.
❚ Mounting JigZX-TDS01T/TDS04T-@Mount the Sensor Head using M3 screws and a mounting torque between 0.6 and 0.8 N·m.
ZX-TDS10T-@@Mount the Sensor Head using M4 screws and a mounting torque between 2 and 3 N·m.
10
Two, 3.50 dia.
3.50
M3
8A
A
32
20
26 18
1.50
6 dia.,
H7
4
8
6.50
dia
.
3.50
dia
.
Material: Aluminum
Recommendation: Misumi Corp. Model: SHSTA6-20
Unit: mm
02
42
6
63
18
2
10
A
A
30
11
4.5M4
Two, 4.5 dia.
8 dia.,
H7
4 di
a.
8 di
a.
Cross-section View A-A Material: Aluminum
Recommendation: Misumi Corp. Model: SHSTA8-20
Unit: mm
ZX-TOperation Manual
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sSection 2
PREPARATIONS FOR MEASUREMENT
1 1
5
12 d
ia.
8 0 −0
.036 +0.01 0
15
dia.
dia.
• Mounting Jig for an 8-diameter Stand
Material: Brass
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Section 2PREPARATIONS FOR MEASUREMENT
When preparing a mounting jig, set the support tightening force to 100 N maximum.
■ Mounting Position Secure the Sensor Head along the section indicated by A.
If the Sensor Head will be used in an area with extreme temperature fluctuations,secure the Sensor Head along the section indicated by B. This will minimize the effectsof expansion and contraction that accompany temperature fluctuations.
Check to see how the plunger moves after the Sensor Head is fastened in place. It will not moveproperly if the Sensor Head is fastened too tightly.
Supported at 3 pointsMounting jig
Base jigSensor Head cross-section
Mounting width:8 mm min.
Tightening force:100 N max.
• Mounting with 3-point Support
60°
B (8)
B (8)
A (41.6)
A (63.4)
6 0 −0
.1di
a.
6 0 −0
.1di
a.
Unit: mm
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Preamplifiers
■ InstallationUse the enclosed Preamplifier Mounting Bracket.
The Preamplifier can also be mounted to 35-mm DIN Track.Use the ZX-XBT2 Preamplifier DIN Track Mounting Bracket (order separately) when mountingthe Preamplifier to DIN Track.
1. Use M3 screws to fix the enclosed Preampli-fier mounting bracket.
2. Snap one end of the Preamplifier into thebracket.
3. Then snap the other end of the Preamplifierinto the bracket.
■ Removal MethodHold the center of the Preamplifier and lift.
27±0.1 Two, M3(Units: mm)Mounting dimensions diagram
3
2
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Section 2PREPARATIONS FOR MEASUREMENT
ConnectionsThis section describes how to connect component parts of the Smart Sensor.
Turn OFF the power supply to the Amplifier Unit before connecting or removing components. The Smart Sen-sor may malfunction if components are connected or removed while the power is ON.
Sensor Heads
Do not touch the terminals inside the connector.
■ Connection MethodPush the Sensor Head connector into the Amplifier Unit connector until it locks.
■ Removal MethodWhen disconnecting the Sensor Head, hold the connector ring and the Amplifier Unitconnector and pull them straight out.
Do not pull only on the connector ring, because the input cable of the Amplifier Unit may be dam-aged.
All settings on the Amplifier Unit will be cleared when the Sensor Head is replaced with a differ-ent model.
Connector ring
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Calculating Units
Use Calculating Units to connect Amplifier Units when making calculations betweenAmplifier Units.
A maximum of 8 Amplifier Units can be connected using Calculating Units.
Provide power to all connected Amplifier Units.Connect the linear grounds of all Amplifier Units to each other.
■ Connection Method
1. Open the connector covers on the Amplifier Units.Open the connector covers by lifting and sliding them open.
2. Mount the Calculating Unit to the DIN Track.
3. Slide and connect the Calculating Unit to the Amplifier Unit connector.
4. Slide and connect the second Amplifier Unit to the Calculating Unit connector.
Perform the above operation in the reverse order to remove Calculating Units.
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■ Channel Numbers of Amplifier UnitsThe following diagram shows the channel numbers when multiple Amplifier Units areconnected.
CH1CH2CH3CH4CH8
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Interface Units
Use an Interface Unit to connect a Programmable Controller to the Smart Sensor sys-tem.
Up to five Amplifier Units can be connected.
■ Connection Method
1. Open the connector cover on the Amplifier Unit.Open the connector cover by lifting and sliding it open.
2. Mount the Interface Unit to the DIN Track.
3. Slide and connect the Interface Unit to the Amplifier Unit connector.
Perform the above operation in the reverse order to remove Interface Units.
When multiple Amplifier Units are used, connect the Interface Unit to the Amplifier Unit with thehighest channel number.
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Wiring Output CablesThe following diagram shows the wires in the output cable.
Wire the output cable correctly. Incorrect wiring may damage the Smart Sensor.
(1) A 12- to 24-VDC (±10%) power supply is connected to the power supply terminals. Whenusing an Amplifier Unit with a PNP output, the power supply terminal is also the common I/Oterminal for all I/O except for the linear output.
Use a stabilized power supply separate from other devices and power systems for the AmplifierUnit, particularly when high resolution is required.Use a DC power supply equipped with measures to counter generation of high voltage (safetyovervoltage/undervoltage circuits) or use a UL Class 2 DC power supply. Do not ground the pos-itive terminal on the secondary side (i.e., the DC side).
(2) The GND terminal is the 0-V power supply terminal. When using an Amplifier Unit with anNPN output, the GND terminal is also the common I/O terminal for all I/O except for the linearoutput.
(3) The HIGH judgement output outputs HIGH judgement results. This output also turns ONwhen the Pressing Force Alarm operates.
(4) The PASS judgement output outputs PASS judgement results.
(5) The LOW judgement output outputs LOW judgement results. This output also turns ON whenthe Pressing Force Alarm operates.
(6) The linear output outputs a current or voltage output in accordance with the measured value.
(7) The linear output GND terminal is the 0-V terminal for the linear output.
• Use a different ground for the linear output from the normal ground.• Always ground the linear output terminal even when linear output is not used.
(8) When the judgement output hold input is turned ON, the judgement outputs are held and notoutput to the external devices. Turn the judgement output hold input ON when setting thresh-old values.
When setting threshold values while connected to external devices, turn ON the Amplifier Unit’sjudgement output hold input to prevent the outputs to external devices from changing.
(9) The zero reset input is used to execute and clear zero reset
(1) Power supply
(2) GND
(3) HIGH judgement output
(4) PASS judgement output
(5) LOW judgement output
(6) Linear output
(7) Linear output GND
(8) Judgement output hold input
(9) Zero reset input
(10) Timing input
(11) Reset input
Brown
Blue
White
Green
Gray
Black
Shield
Pink
Orange
Purple
Red
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(10) The timing input is for signal input from external devices. Use it for hold function timing.
(11) The reset input resets all measurement processing and outputs.
I/O Circuit Diagrams
■ NPN Amplifier Unit
■ PNP Amplifier Unit
Load
Load
Load
Current output: 300 Ω max. Voltage output: 10 kΩ min.Load
Current output (4 to 20 mA)
Current/voltage output selector
Inte
rnal
circ
uit
Brown 12 to 24 V DC
WhiteHIGH judgement output
Green PASS judgement output
Gray LOW judgement output12 to 24 V DC
Blue GND (0 V)
Pink Judgement output hold input
Purple Timing input
Orange Zero reset input
Red Reset input
Black Linear output
Shield Linear ground
Voltage output (±4 V)
100 Ω
Load
Load
Load
Current output: 300 Ω max.Voltage output: 10 kΩ min.Load
Current output (4 to 20 mA)
Current/voltage output selector
Inte
rnal
circ
uit
Brown 12 to 24 V DC
White HIGH judgement output
Green PASS judgement output
Gray LOW judgement output 12 to
24
V D
C
Blue
GND (0 V)
PinkJudgement output hold input
Purple Timing input
Orange Zero reset input
RedReset input
Black Linear output
Shield Linear ground
Voltage output (±4 V)
100 Ω
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Section 2PREPARATIONS FOR MEASUREMENT
Confirming Warm-up CompletionWhen the power is turned ON in RUN or T Mode, the sub-display will flash W-UP to show thatthe Sensor is warming up. Warm-up requires approximately 1 to 15 minutes. When warmingup has been completed, the normal display will be shown.
Measurement operations can be performed while in warm-up display status, but the precision ofmeasurements before warming up has been completed will be low. For high-precision measure-ments, wait until warming up has been completed.
SUB
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Pressing Force AlarmWhen the pressing force of the plunger exceeds the rated measurement distance by 1% ormore, OVER will be displayed on the main display to indicate that the plunger is pressing toohard. (The HIGH and LOW indicators will also light.)
Too much pressing force will cause damage. Adjust the detection position of the Sensor Head.
Be careful if an external device is connected because the HIGH and LOW judgement outputs willalso turn ON simultaneously when the Pressing Force Alarm operates.
LOW
SUB
(mm)HIGH
POWER ENABLEZERO
HIGH and LOW indicators light simultaneously
4 V
0 V
4 V
0 mm
4 mA
12 mA
20 mA
+−
ONOFFHIGH
ONOFFLOW
Vol
tage
out
put
Ana
log
outp
ut
Cur
rent
/vol
tage
Cur
rent
out
put
Displacement direction
(Released) (Pushed)
Rated measurement distance
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BA
SIC
OP
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AT
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Flow of Operation 40
Basic Knowledge for Operation 42
Switching Modes 42
Reading Displays 43
Key Operations 44
Setting Conditions 45
Inputting Numerals 46
Function Transition Charts 47
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Section 3BASIC OPERATION
Flow of Operation
Turn ON Power Supply
Installation and Connection
Preparations for Measurement
Reading Displays and Operating
Basic Knowledge for Operation
Making Settings for the Application
Measuring Thickness
Measuring Height Difference and Flatness
Measuring Depth
Setting and Changing Measurement Data
Setting Number of Samples to Average
Using Hold Functions
Inverting Positive and Negative Values
Setting Judgement Conditions
Entering Threshold Values
Setting Output Data
Linear Output
Correcting the Measurement Reference Point
If required
Using the Zero Reset Function
Pre
para
tions
for
Mea
sure
men
tS
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ondi
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to
Exe
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easu
rem
ents
p. 42
p. 19
p. 52p. 70
p. 57
p. 62
p. 71p. 75
p. 77
p. 81
p. 92
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If Problems Occur
Abnormal Operation
Troubleshooting
Unknown Terms
Glossary
Error Messages
Error Messages and Countermeasures
Meaning of Digital Display
Quick Reference for Digital Displays
App
lied
Set
tings
Add
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al F
unct
ions
Changing the Number of Display Digits
Using ECO Display Function
Reversing the Display
Key Lock Function
Initializing Settings Data
Cha
ngin
g S
ettin
gs
Correcting the Distance Display
Calculating Measured Values
Using the Zero Reset Function
p. 115
p. 119
p. 116
p. 132
p. 105p. 90
p. 92
p. 102
p. 109
p. 107
p. 106
p. 103
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Basic Knowledge for Operation
Switching Modes
The ZX-T has three modes. Use the Mode Switch on the Amplifier Unit to switchbetween modes. Switch to the desired mode before starting operation.
Function Transition Charts, p. 47
Mode Description
RUN Normal operation mode
T Mode for setting the threshold values
FUN Mode for setting measurement conditions.
T FUNRUN
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Reading Displays
The data displayed on the main and sub-displays depends on the mode currentlyselected. When the power is first turned ON after shipment, RUN mode data is dis-played.
Function Transition Charts, p. 47
■ Alphabet Display FormatThe alphabet appears on the main and sub-displays as shown in the following table.
Mode Main Display Sub-display
RUN Displays the measured value (the value after measurement condi-tions have been reflected).
For example, when the hold func-tion is set, the held value will be displayed.
Changes between displaying the present value (actual measured value), threshold value, output value, and resolu-tion in order when the Control Keys are pressed.
Threshold Value Display
Displays either the HIGH or LOW threshold value, depend-ing on the position of the threshold switch.
The monitor focus setting determines whether the value is output as voltage or current.
Output Settings (Monitor Focus), p. 81
T Displays the measured value (the value after the measurement con-ditions have been reflected).
For example, when the hold func-tion is set, the held value will be displayed.
Displays the threshold value for the threshold being set.
Displays either the HIGH or LOW threshold value, depend-ing on the position of the threshold switch.
FUN Displays the function names in order when the Control Keys are pressed.
Displays the setting for the function displayed on the main display.
Main display
Sub-display
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Key Operations
Use the Control Keys to change the display and set measurement conditions.
The mode currently selected determines the key functions.
Switching Modes, p. 42
Control Keys
KeyFunction
RUN Mode T Mode FUN Mode
Cursor Keys
LEFT Key
RIGHT Key
Changes sub-display content.
Used when selecting numeral digits.
Function changes depend-ing on setting.
• Switches function display.
• Selects numeral digit.
• Stops setting.
UP Key Performs timing input. Used when changing numerals.
Function changes depend-ing on setting.
• Switches between selections.
• Changes numerals.DOWN Key Resets input.
ENT Key Performs zero reset. Function changes depend-ing on operation.
• Confirms threshold value.
• Executes teaching.
Confirms the set condition or value.
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Setting Conditions
Display the target function on the main display and select the desired value from thesub-display to set measurement conditions.
This section uses the example of setting a peak hold as the hold condition to explainhow to set measurement conditions.
Changing to FUN and HOLD
1. Set the mode switch to FUN.
2. Use the LEFT and RIGHT Keys to displayHOLD on the main display.
Setting Hold Conditions
3. Press either the UP or DOWN Key.The present set value will flash on the sub-display.
4. Use the UP and DOWN Keys to select P-H.
Press either the LEFT or RIGHT Key to cancel theselected option. The display will return to the current set-ting (OFF in this example).
5. When you finish selecting the set value, pressthe ENT Key to confirm the setting.
The setting will be registered.
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Inputting Numerals
This section describes how to input numeric values for threshold and output settings.The example of direct input of the low threshold value will be used.
Changing the low threshold from 0.200 to 0.190
Changing to T Mode
1. Set the mode switch to T.
Setting Threshold Value
2. Set the switch to L.The measured value will be displayed on the maindisplay. The current setting will be displayed on the sub-display.
3. Press any Cursor Key.The first digit on the sub-display will flash and direct inputwill be enabled.
4. Use the LEFT or RIGHT Key to move the cur-sor to the first decimal place.
5. Use the UP or Down Key to display 1.
6. Repeat steps 4 and 5 to move the cursor tothe second decimal place and display 9.
To cancel the selected setting, use the LEFT Key to movethe cursor to the leftmost digit and press the LEFT Keyagain. Alternatively, use the RIGHT Key to move to therightmost digit and press the RIGHT Key again. The dis-play will return to the current setting (0.200 in this exam-ple).
7. When you finish adjusting the numeric value,press the ENT Key to confirm the value.
The display will change from flashing to being lit continu-ously and the numeric value will be registered.
SUB
(mm)
POWER ENABLEZERO
SUB
SUB
SUB
SUB
SUB
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Function Transition ChartsReading Transition Charts
The upper section is the main display and the lower section is the sub-display.
RUN Mode
The numerals shown in the above diagram are an example only. The actual display maybe different.
Present Values and Measured Values p. 119
T Mode
There is no function transition in T mode.
The numerals shown in the above diagram are an example only. The actual display maybe different.
In RUN and T modes, the position of the threshold switch will determine whether the HIGH or LOW thresholdwill be displayed.
Main display
Sub-display
Measured value (See note.) (The main display always shows the measured value.)
Present value (See note.)
Note: In FUN mode, the measured value and present value are displayed first.
Threshold value Output value
Measured value
Threshold value p. 77
Threshold switch
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Whebe di
2.)
FUN Mode
Self-trigger level (See note Hysteresis HoldNumber of samples to average
Note 1: Scale inversion is displayed first when you enter FUN mode.
Scaleinversion
Special functions
Display digit limit
Linear output correction
Zero reset memoryError Output
When all is selected, all special functions are displayed.
erout
p. 85
p. 102
p. 95
p. 71p. 80p. 70p. 75
p. 98
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Display during zero reset
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Section 4MAIN APPLICATIONS AND SETTING METHODS
Measuring Thickness 52
ection4M
AIN
AP
PL
ICA
TIO
NS
AN
D S
ET
TIN
G M
ET
HO
DS
Measuring the Height of a Step and Flatness 57
Measuring Depth 62
Other Measurements 67
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Measuring ThicknessThe following configuration will be used to describe the procedure for measuring thickness.
When making settings while still connected to an external device, set the Amplifier Unit’s judgement outputhold input to ON so that the output to the external device remains unchanged.
❚ Flow of Operation
Mounting to the Device
Adjusting the Detection Position
Setting Thickness Values
Setting Expressions
Setting Tolerance Judgement Values
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Mounting to the Device
■ Connecting Amplifier UnitsConnect two Amplifier Units by placing a Calculating Unit between them as shown inthe diagram below.
The calculation result is displayed on (i.e. output to) the CH2 Amplifier Unit. Connectthe CH2 output cable to the external device to enable external control.
Connections, p. 30
The CH1 Amplifier Unit will display (output) the measurement result for the CH1 Sensor Head only.
■ Mounting the Sensor Head to the Inspection DeviceRefer to the following diagram and prepare the mounting jigs. Mount the Sensor Headsfacing each other.
Installing Sensor Heads, p. 26
CH1
CH2
Calculation Unit
Mounting jigs
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Adjusting the Detection Position
Set a reference sample with a known thickness (T) between the Sensor Heads.
With the reference sample in place, adjust the Sensor Heads until the respective Ampli-fier Units display as close to zero as possible.
Measurement distance, p. 119
Setting Expressions
Switch the CH2 Amplifier Unit to FUN mode and set 2-sensor operation (CALC) to [A + B].
Refer to Section 5 Detailed Settings for details on operation.
Calculating Measured Values, p. 90
T
(mm)
POWER ENABLEZERO
(mm)
POWER ENABLEZERO
Rated measurement distanceRated measurement distance
FUN
CH1=B
CH2=A
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Setting Thickness Values
Use the Zero Reset Function to set the Sensor Head position for when the referencesample is in place. Use the CH2 Amplifier Unit to perform this setting.
Insert a reference sample with a known thickness (T).
Switch to FUN mode and set the thickness on the Zero Reset display ([ZRDSP]).
Set the offset value and then return to the RUN mode.
Press and hold the ENT Key for at least 1 s to reset to zero.
The relationship between the positions of the CH1 and CH2 Sensor Heads will be reg-istered at the same timing that was used when the zero reset was executed. (The dis-play value here is 1 mm.) Thickness is measured based on the relationship of theSensor Heads, and the measurement result is displayed on the CH2 Amplifier Unit.
Refer to Section 5 Detailed Settings for details on operation. Using the Zero Reset Function, p. 92
TCH1
CH2
FUNOffset value setting
Example: T = 1 mm
CH1
CH2
RUN
Press for 1 s min.
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Setting Tolerance Judgement Values
Set the upper and lower limits (the HIGH and LOW threshold values) for the PASS (OK)judgement on thickness.
The HIGH, PASS, and LOW judgement results will be output based on the thresholdvalues set here.
Refer to Section 5 Detailed Settings for details on operation.
Inputting Threshold Values Directly, p. 78
Measurement result Judgement
Measurement result > HIGH threshold HIGH
LOW threshold ≤ Measurement result ≤ HIGH threshold PASS
LOW threshold > Measurement result LOW
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Measuring the Height of a Step and FlatnessThe following configuration will be used to describe the procedure for measuring flatness.
When making settings while still connected to an external device, set the Amplifier Unit’s judgement outputhold input to ON so that the output to the external device remains unchanged.
❚ Flow of OperationPlace an actual sensing object in position. Have a reference sample ready beforehand.
Mounting to the Device
Adjusting the Detection Position
Registering the Status With No
Height Difference
Setting Expressions
Setting Tolerance Judgement Values
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Mounting to the Device
■ Connecting Amplifier UnitsConnect two Amplifier Units by placing a Calculating Unit between them as shown inthe diagram below.
The calculation result is displayed on (i.e. output to) the CH2 Amplifier Unit. Connectthe CH2 output cable to the external device to enable external control.
Connections, p. 30
The CH1 Amplifier Unit will display (output) the measurement result for the CH1 Sensor Head only.
■ Mounting Sensor Heads to the Inspection DeviceRefer to the following diagram and prepare mounting jigs. Mount the Sensor Headsparallel to each other.
Installing Sensor Heads, p. 26
Calculating Unit
CH1 CH2
Mounting jigs
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Adjusting the Detection Position
Set a flat reference sample between the Sensor Heads.
With the reference sample in place, adjust the Sensor Heads until the respective Ampli-fier Units display as close to zero as possible.
Measurement distance, p. 119
Setting Expressions
Switch the CH2 Amplifier Unit to FUN mode and set 2-sensor operation (CALC) to [A − B].
Refer to Section 5 Detailed Settings for details on operation.
Calculating Measured Values, p. 90
(mm)
POWER ENABLEZERO
(mm)
POWER ENABLEZERO
Rated measurement distanceRated measurement distance
FUN
CH1=B CH2=A
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Registering the Status With No Height Difference
Use the Zero Reset Function to set the status with no height difference. Use the CH2
Amplifier Unit to perform this setting.
Set a flat reference sample under the Sensor Heads.
Check to see if the zero reset offset value (ZRDSP) on the CH2 Amplifier Unit is set to zero beforeyou reset to zero. (Zero is the default setting.)
Setting Offset Values, p. 94
Switch the CH2 Amplifier Unit to RUN mode, and press and hold the ENT Key for atleast 1 s to reset to zero.
The status with no height difference (0) will be registered at the same timing that wasused when the zero reset was executed. Now the CH2 Amplifier Unit will display heightdifferences between the sensing points.
Refer to Section 5 Detailed Settings for details on operation. Using the Zero Reset Function, p. 92
FUN
RUN
Press for 1 s min.
Reference value = 0
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Setting Tolerance Judgement Values
Set the upper and lower limits (the HIGH and LOW threshold values) for the PASS (OK)judgement on height difference/flatness.
The HIGH, PASS, and LOW judgement results will be output based on the thresholdvalues set here.
Refer to Section 5 Detailed Settings for details on operation.
Inputting Threshold Values Directly, p. 78
Measurement result Judgement
Measurement result > HIGH threshold HIGH
LOW threshold ≤ measurement result ≤ HIGH threshold PASS
LOW threshold > measurement result LOW
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Measuring DepthThe following configuration will be used to describe the procedure for measuring depth.
When making settings while still connected to an external device, set the Amplifier Unit’s judgement outputhold input to ON so that the output to the external device remains unchanged.
❚ Flow of Operation
Mounting to the Device
Adjusting the Detection Position
Registering DepthInverting the Scale Setting Tolerance Judgement Values
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Mounting to the Device
Prepare the mounting jig and mount the Sensor Head.
Installing Sensor Heads, p. 26
Adjusting the Detection Position
Set a reference sample with a known depth (D) under the Sensor Head.
With the reference sample in place, adjust the Sensor Head until the Amplifier Unit dis-plays as close to zero as possible.
Mounting jig
D
(mm)
POWER ENABLEZERO
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Inverting the Scale
Switch ON the Scale Inversion Function (INV) to match changes in sensing object dis-placement to changes in the measured value on the display. (OFF is the default set-ting.).
Refer to Section 5 Detailed Settings for details on operation. Inverting Positive and Negative Values (Scale Inversion), p. 75
(mm)
(mm)
(mm)
(mm)
For the default setting (OFF), the display value increases when the Sensor Head plunger is pressed. If a mea-surement is taken with this setting, the display value will increase as the sensing object becomes thinner.
Display value
Actual displacement−2 2
2
0
0
Changes are inverted if the Scale Inversion Function (INV) is set to ON. This means that changes in theamount of displacement can be matched to changes in display values.
Display value
Actual displacement−2 2
2
0
0
Thin: Higherdisplay value
Deep: Lowerdisplay value
Thin: Lowerdisplay value
Deep: Higherdisplay value
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Registering Depth
Use the zero reset function to register the Sensor Head position at the reference depth.Set a reference sample with a known depth (D) under the Sensor Head.
Switch to FUN mode and set the depth on the Zero Reset display ([ZRDSP]).
Set the offset value and then return to the RUN mode.
Press and hold the ENT Key for at least 1 s to reset to zero.
The Sensor Head position will be registered at the same timing that was used when thezero reset was executed. (The display value here is 3 mm.) Depth is measured basedon this positional relationship of the Sensor Head.
Refer to Section 5 Detailed Settings for details on operation. Using the Zero Reset Function, p. 92
D
FUNOffset value setting
Example: D = 3 mm
RUN
Press for 1 s min.
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Setting Tolerance Judgement Values
Set the upper and lower limits (the HIGH and LOW threshold values) for the PASS (OK)judgement on depth.
Refer to Section 5 Detailed Settings for details on settings.
Inputting Threshold Values Directly, p. 78
Measurement result Judgement
Measurement result > HIGH threshold HIGH
LOW threshold ≤ Measurement result ≤ HIGH threshold PASS
LOW threshold > Measurement result LOW
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Other Measurements
Measuring Gaps in Sensing Objects
Gaps (G) in sensing objects can be measured using the thickness measurement.
The procedure is the same one used to measure thickness. Measuring Thickness, p. 52
■ Gap Measurement Basics❚ Using the Scale Inversion Function
Switch ON the Scale Inversion Function (INV) on the Amplifier Units to match changesin gap size to changes in measured values on the display. (Inversion is turned OFF inthe default setting.)
❚ Setting the Gap (G) on the Zero Reset Display (ZRDSP)
G
For the default setting (OFF), the display value increases when the Sensor Head plunger is pressed.If a measurement is taken with this setting, the display value will increase as the gap size decreases.
Changes are inverted if the Scale Inversion Function (INV) is set to ON. This means that changes inthe amount of displacement can be matched to changes in display values.
Large gap = Lower display valueSmall gap = Higher display value
G
CH2
CH1
Set the reference sample gap.
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Measuring Height Differences at Multiple Points
If Calculating Units are used to connect Amplifier Units, then up to 8 calculation pointscan be measured simultaneously.
The procedure is the same one used to measure height difference/flatness.
Set all Amplifier Units starting from the CH2 to the same CH2 settings used to measureheight difference and flatness.
Measuring the Height of a Step and Flatness, p. 57
Display on Amplifier Units starting at CH2
The difference between displacement at CH1 and at each of the other channels is displayed.
Calculating Unit
CH2CH1 CH3 CH8
CH2CH1 CH3
Example: For the following present values:
CH1: 0.2 mmCH2: 0.3 mmCH3: −0.4 mm
The following measured values are displayed:
CH1: 0.2 mmCH2: 0.1 mm (CH2-CH1)CH3: −0.6 mm (CH3-CH1)
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Setting Number of Samples to Average 70
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Using Hold Functions 71
Inverting Positive and Negative Values (Scale Inversion) 75
Entering Threshold Values 77
Linear Output 81
Calculating Measured Values 90
Using the Zero Reset Function 92
Error Output Function 98
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Setting Number of Samples to Average
The number of samples to average is the number of data points used to average datameasured by the Sensor. The average value will be output.
Use the number of samples to average function to ignore sudden variations in measuredvalues. If the number of samples is increased, however, the response time of the judgementoutputs and linear output will be increased.
Moving to FUN and AVE
1. Set the mode switch to FUN.
2. Use the LEFT and RIGHT Keys to displayAVE on the main display.
Selecting Number of Samples to Average
3. Press the UP or DOWN Key.The sub-display will flash.
4. Use the UP and DOWN Keys to select thenumber of samples to average.
5. Press the ENT Key to confirm the selection.The setting will be registered.
Selection for No. of samples to average Response time
1 2 ms
2 3 ms
4 5 ms
8 9 ms
16 17 ms
32 33 ms
64 65 ms
128 129 ms
256 (default) 257 ms
512 513 ms
1024 1025 ms
SUB
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Using Hold Functions
The hold functions hold data for specific points during the measurement period (samplingperiod), such as the maximum or minimum value, and output those values at the end of themeasurement period.
The value that will be held during the sampling period is selected here.
The CLAMP value is output until the first sampling period is finished. CLAMP value, p. 88
Hold condition (which value to hold)
Sampling period
Output
Measurement starts* Measurement ends*
* The timing input method depends on the hold conditions.
Value is held until the next time thehold condition is met.Current measured value
Selection Details
OFF (default) Hold measurement is not performed. The current measured value is always out-put.
P-H (Peak hold) Holds the maximum value during the sampling period. The sampling period is the period that the timing signal is ON.
B-H (Bottom hold) Holds the minimum value during the sampling period. The sampling period is the period that the timing signal is ON.
ON
OFF
Output
Sampling period
Maximum value
Timing input
ON
OFF
Output
Sampling period
Minimum value
Timing input
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Hysteresis width (for self trigger)Set the hysteresis based on fluctuations in the measured values around the trigger level. When set,hysteresis will be applied from the start of the sampling period and will prevent timing input chatter-ing.
S-H (Sample hold) Holds the measured value the moment the timing signal turns ON.
PP-H (Peak-to-peak hold)
Holds the difference between the maximum and minimum values during the sampling period. The sampling period is the period that the timing signal is ON. This option is selected mainly when detecting vibration.
SP-H (Self-peak hold) Holds the maximum value during the sampling period. The sampling period is the period when the measured value is greater than the specified trigger level.
SB-H (Self-bottom hold) Holds the minimum value during the sampling period. The sampling period is the period when the measured value is lower than the specified trigger level.
Selection Details
ON
OFF
Sampling period
Output (Changes the moment the sampling period is entered.)
Timing input
Maximum value
Sampling period
Minimum value
Output (difference between maximum and minimum)
ON
OFFTiming input
Maximum value
Minimum value
Sampling period
Trigger levelMaximum value Output
Operating valueRelease value
Hysteresis width (for self trigger)*
Sampling period
Trigger level Minimum valueOutput
Operating valueRelease value
Hysteresis width (for self trigger)*
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Moving to FUN and HOLD
1. Set the mode switch to FUN.
2. Use the LEFT and RIGHT Keys to displayHOLD on the main display.
Selecting Hold Condition
3. Press the UP or DOWN Key.The sub-display will flash.
4. Use the UP and DOWN Keys to select thehold condition.
5. Press the ENT Key to confirm the selection.The setting will be registered.
The following settings are performed only if SP-H or SB-H is the selected hold condi-
tion.
Setting Trigger Levels
6. Use the RIGHT or LEFT Key to display H-LVL on the main display.
7. Press the UP or DOWN Key.The leftmost digit of the sub-display will flash.
8. Use the Cursor Keys to set the trigger level.
SUB
SUB
SUB
Move between digits.
Increment and decre-ment the numeric value.
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9. Press the ENT Key to confirm the settings.The trigger level will be registered.
Setting Hysteresis Width (for Self Trigger)
10. Use the LEFT and RIGHT Keys to display H-HYS on the main display.
11. Press the UP or DOWN Key.The leftmost digit of the sub-display will flash.
12. Use the Cursor Keys to set the hysteresiswidth for the trigger level.
13. Press the ENT Key to confirm the setting.The hysteresis width (for self trigger) will be registered.
SUB
Move between digits.
Increment and decre-ment the numeric value.
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Inverting Positive and Negative Values (Scale Inversion)This function changes the amount that the measured value on the display changes as the
amount of displacement changes. For the default setting, the display value increases when the
Sensor Head plunger is pressed.
Moving to FUN and INV
1. Set the mode switch to FUN.
2. Use the LEFT and RIGHT Keys to displayINV on the main display.
Selecting the Display
3. Press the UP or DOWN Key.The sub-display will flash.
Options Description
OFF (default) The display value increases when the plunger is pressed.
ON The display value decreases when the plunger is pressed.
(mm)
(mm)
Display value
Actual displacement−0.5 0.5
0.5
0
0
(mm)
(mm)
Display value
Actual displacement−0.5 0.5
0.5
0
0
(mm)
POWER ENABLEZERO
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4. Select the display.
5. Press the ENT Key to confirm the setting.The setting is registered.
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Entering Threshold Values
Threshold values are set to determine the range for PASS judgements. Both HIGH and LOWthreshold values are set. There are three judgement outputs: HIGH, PASS, and LOW.
The following table outlines the two methods for setting the threshold values.
Hysteresis (hysteresis width) can also be set for threshold values. Set hysteresis when judgements areunstable to prevent chattering.
p. 80
When making settings while still connected to an external device, set the Amplifier Unit judgement’s outputhold input to ON so that the output to the external device remains unchanged. The judgement outputs in Tmode will be the same as in RUN mode, i.e., HIGH, PASS, and LOW.
Method Details
Direct input Sets threshold values by direct numerical value input.Direct input is useful when you know the dimensions for an OK judgement or when you want to fine-tune threshold values after teaching.
Position teaching Performs actual measurements and uses the measurement results to set threshold values.Position teaching is useful when threshold samples, i.e., with the upper and lower limits, can be obtained beforehand.
(ON when the measured value < LOW threshold value)
HIGH threshold value
Measured value
LOW threshold value
Output
(ON when the measured value > HIGH threshold value)
(ON when LOW threshold value ≤ measured value ≤ HIGH threshold
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Inputting Threshold Values Directly
The threshold values can be set by directly inputting the numeric values.
Direct input is useful when the dimensions for an OK judgement are known beforehandor when fine-tuning threshold values after teaching.
Moving to T Mode
1. Set the mode switch to T.
Setting Threshold Values
2. Move the threshold switch to either H or L,i.e., the threshold to be set.
The current measured value is shown on the main dis-play and the threshold being set (value for the thresholdswitch selection) will be displayed on the sub-display.
3. Press one of the Cursor Keys.The leftmost digit of the threshold value will flash on thesub-display.
4. Use the Cursor Keys to set the thresholdvalue.
5. Press the ENT Key to confirm the settings.The threshold values will be registered.
Countermeasures for Setting Errors
One of the following two errors has occurred if the displayreads ERRLH or ERRHL.
HIGH threshold value < LOW threshold value
HIGH threshold value − LOW threshold value < hystere-sis width
Hysteresis Setting, p. 80
If an error is displayed, the threshold value has not beenupdated. Set the threshold values again.
SUB
(mm)
POWER ENABLEZERO
SUB
Move between digits.
Increment and decre-ment the numeric value.
SUB
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Position Teaching
When teaching is executed, measurement is performed and the measured values areset as the threshold values.
Position teaching is useful when threshold samples, i.e., with the upper and lower lim-its, can be obtained beforehand.
Hold, zero reset, and scale inversion settings that have been made before teaching are reflected inthe teaching measurements.
Moving to T Mode
1. Set the mode switch to T.
Setting Threshold Values
2. Move the threshold switch to either H or L,i.e., the threshold to be set.
The current measured value is shown on the main dis-play and the threshold being set (the value for the thresh-old switch selection) will be displayed on the sub-display.
3. Place the threshold sample in position.The main display value changes.
4. Press the ENT Key for at least one secondand then release.
The measured value at the point that the ENT Key isreleased will be set as the threshold value. This thresholdvalue will be shown on the sub-display.
When ERRLH or ERRHL Is Displayed: p. 78
The threshold values set using position teaching can be changed using direct input.This is useful when setting judgement tolerances for measured values.
p. 78
Teaching value = LOW threshold value
Teaching value = HIGH threshold valueThreshold
sample (lower limit)
Threshold sample (upper limit)
SUB
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POWER ENABLEZERO
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Hysteresis Setting
Set the hysteresis width for the upper and lower limits of judgements when the HIGH,PASS, or LOW judgements are unstable near the threshold values
To prevent self-trigger chattering, set hysteresis for the self-trigger.p. 71
Moving to FUN and HYS
1. Set the mode switch to FUN.
2. The main display will show HYS.
3. Press the UP or DOWN Key.The leftmost of the sub-display will flash.
4. Use the Cursor Keys to enter the hysteresiswidth.)
5. Press the ENT Key to confirm the setting.The hysteresis width will be registered.
Countermeasures for Setting Errors
If ERROV is displayed, HIGH threshold value − LOWthreshold value < hysteresis width.
If an error is displayed, the threshold values have notbeen updated. Set the values again or change thethreshold values.
Operating valueRelease value
HIGH threshold value
Measured value
LOW threshold value
Hysteresis (hysteresis width)
Output
Move between digits.
Increment and decre-ment the numeric value.
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Linear Output
Output Settings (Monitor Focus)
Linear output refers to the conversion of measurement results to a 3 to 21-mA currentoutput or a −5 to 5-V voltage output. This section describes how to choose either cur-rent or voltage output and how to set the linear output range. Match the settings to suitthe connected external device.
Enter the output values for any two current values or voltage values to set the outputrange.
When a Sensor Head with a model number with a "T" suffix is connected, the mea-sured value of the output cannot be changed. Only the current output or voltage outputcan be changed.
Example: Setting −0.5 mm to a 16-mA output and 0.5 mm to a 8-mA output (for current output)
Separate the two specified points by at least 1% of the rated measurement distance for the con-nected Sensor.For example, the rated measurement distance for the ZX-TSD01T Sensor is 1 mm. Therefore, thetwo specified points must be separated by 10 µm min.
Using the Zero Reset FunctionZero reset is released when monitor focus is set. Execute the zero reset again after setting monitorfocus.
Zero Reset, p. 92
Measured value (mm)
Output current (mA)
Measured value (mm)
Output current (mA)
20
−0.5
4
0.5
16
8
−0.5 0.5
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This section describes how to set the output range, using an example of current outputwith a range with the following conversions: −0.5 mm to 16 mA and 0.5 mm to 8 mA.Change the values in the example to suit the voltage output as required.
1. Turn OFF the power supply to the Amplifier Unit.
2. Move the current/voltage switch to current out-put. The switch is found on the bottom of theAmplifier Unit.
A voltage output is the default setting.
Moving to FUN and SPCL
3. Turn ON the power supply and move themode switch to FUN.
4. Use the LEFT and RIGHT Keys to displaySPCL on the main display.
Moving to FOCUS
5. Press the UP or DOWN Key.The sub-display will flash.
6. Use the Up and DOWN Keys to display SETor ALL.
7. Press the ENT Key.
Measured value (mm)
Output current (mA)
Measured value (mm)
Output current (mA)
20
−0.5
4
0.5
16
8
−0.5 0.5
Voltage output
Current output
(mm)
POWER ENABLEZERO
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8. Use the LEFT and RIGHT Keys to displayFOCUS on the main display.
Selecting Current (mA) or Voltage (V) Output
9. Press the UP or DOWN Key.The sub-display will flash.
10. Display mA.Always select the same output as the current/voltage switch selection on the bottom of the AmplifierUnit.
Setting the First Point (A)
11. Press the ENT Key.The display will change to allow the first-point settings tobe made. The output current value will be displayed onthe main display, and the corresponding measured valuewill be displayed on the sub-display and the leftmost digitwill flash.
12. Set the output current value and the corre-sponding measured value for the first point.
Set a measured value within the measurement distance.If scaling or calculation has been set, set a value thatreflects those settings.
The flashing digit, i.e., the digit for which a value can be set, will change as shown in the diagram.
SUB
(mm)
POWER ENABLEZERO
Move between digits.
Increment and decre-ment the numeric value.
SUB
(mm)
POWER ENABLEZERO
SUB
(mm)
POWER ENABLEZERO
SUB
(mm)
POWER ENABLEZERO
Sub-display digit movement
Digit moves one at a time
Movement between main display and sub-display (from leftmost or rightmost digit of sub-display)
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13. Press the ENT Key to confirm the setting.The setting for the first point will be confirmed. Thescreen for setting the second point will then be displayed.
Setting the Second Point (B)
14. Use the same procedure as for the first pointto set the output current value and corre-sponding measurement result for the secondpoint.
15. Press the ENT Key to confirm the settings.
Confirming Completion of Monitor Focus Settings
The display will read OK if monitor focus has been setcorrectly.
The display will be NG if the settings are incorrect.
If the settings are incorrect, check the following pointsand execute the monitor focus again.
• Is the measured value set on the sub-display withinthe measurement distance (with scaling and calcula-tion settings reflected if set)?
• Are the first and second points separated by at least1% of the rated measurement distance?
• Are the current (or voltage) values for the two pointsthe same?
SUB
(mm)
POWER ENABLEZERO
SUB
(mm)
POWER ENABLEZERO
SUB
(mm)
POWER ENABLEZERO
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Correcting Linear Output Values
Discrepancies may occur between the linear output current (or voltage) values set onthe Amplifier Unit and the actual current (or voltage) values measured due to the condi-tions for the connected external device or other factors. The linear output correctionfunction can be used to correct this discrepancy.
The output values are corrected by entering the correction value for the current or volt-age values for any two points.
Set the monitor focus function and select either current or voltage output beforehand. p. 81
This section uses a current output as an example. Change the values in this examplefor voltage output as necessary.
1. Connect the linear output to an external ammeter.
Moving to FUN and SPCL
2. Turn ON the power supply and set the modeswitch to FUN.
3. Use the LEFT and RIGHT Keys to displaySPCL on the main display.
Moving to LEFT-ADJ
4. Press the UP or DOWN Key.The sub-display will flash.
5. Use the UP or DOWN Keys to display SET orALL.
(mm)
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6. Press the ENT Key.
7. Use the LEFT and RIGHT Keys to display L-ADJ on the main display.
The units for the monitor focus settings (mA or V) will beshown on the sub-display.
8. Press the ENT Key.The display will change to the settings for the first point(A). Th
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