© Sensortech Systems, Inc. 2017 Page 1 of 15 Rev.8-2017

Installation Instructions

ST-3300 96”

Floor Mounted Sensor with attached Electronics Unit

Sensortech Systems, Inc. 341 Bernoulli Circle

Oxnard, California USA 93030 805-981-3735 main

www.sensortech.com

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ST-3300 Low Temperature Moisture Measurement System: The main components in the system are:

Figure 1. 96 inch Floor Mounted Sensor Antenna with

attached Sensor Electronics Unit

Power/Interface

2. ST-3300 I/O Unit – a NEMA12 rated metal enclosure containing +/-15V DC power supply and control signals for the Sensor Antenna with Attached Sensor Electronics Unit. The I/O Unit connects to the users A/C power and provides terminal blocks for user interface to RS-485, 4-20mA output and Digital Input signals via conduit fittings.

1. ST-3300 Low Temperature Sensor Antenna with Attached Sensor Electronics Unit – an open-frame planar sensor mounted out-of-kiln. The Sensor Electronics Unit is mounted directly below the Sensor Antenna. The open frame design allows debris to fall through the Sensor Antenna to reduce build-up. The Sensor and coax cable is rated for +32 to +122°F (0 to +50°C) operation. The Sensor Electronics Unit is contained in a NEMA12 rated metal enclosure containing the RF moisture measurement and control electronics. Power requirements are +15V/-15V dual 40W supply. Communications are via RS485 and self-powered, isolated 4-20mA output. The Power/Interface shown below conveniently provides necessary power and I/O connectivity.

Figure 2. I/O Unit

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Figure 3. System Wiring Diagram

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Figure 4. System Installation Diagram

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Figure 5.

96-inch Sensor Dimensions

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ST-3300 Floor Mounted Moisture Measurement System Installation Guidelines Locating the Floor Mounted Sensor: Select a location to install the Sensor where the measured product will remain flat over the entire Sensor full length and width. Avoid locations where the measured product position and the top of the Sensor may change due to changing slope or un-even floor surfaces. Ensure the measured product supporting mat lays flat and no creases are on the mat over the sensor measurement area. The spacing between the top of the Sensor to the measured product on the supporting mat is critical for good measurement accuracy. The specification for the air gap between the supporting mat and Sensor is 0 inches (0 mm). The 96 inch Sensor is designed to be mounted on a flat level area of the floor in a 96.75 x 4 inch cut-out in the floor. The cut-out location should be able to support the weight of personnel maintaining the Sensor as well as the mass of the Sensor, wet measured product and support mat. Preparing for the installation: 1. Select a suitable location for the floor mounted Sensor. The Sensor Antenna must be located

in a level floor area that can support the combined weight of personnel and mat with product and sensor. Do not mount any portion of the Sensor Antenna below belts or metal framework. Ensure the bottom of the Sensor Antenna is not blocked by mounting brackets, metal plates, etc.

2. Select a suitable location for the wall mounted I/O Unit that connects to Sensor. The Sensor Antenna must be located within approximately 25 feet of the Sensor. Cables should be installed in conduit for protection. Ensure the I/O Unit is mounted in an easily accessible location for periodic maintenance use.

3. Select a suitable location for the pole or wall mounted Operator Interface that connects to the I/O Unit. The Operator Interface must be located within approximately 15 feet of the I/O Unit. Cables should be installed in conduit for protection. Ensure the Operator Interface is mounted in an easily accessible location for periodic maintenance use.

4. Cut-out a 96.75 x 4 inch opening in the floor (Figure XXX and XXX) for installing the Sensor Antenna. Ensure the location is flat and level for Sensor to measured product alignment.

5. Install the Sensor Antenna onto the floor cut-out and drill countersink holes for flathead screws to secure the Sensor to the floor.

6. Two M12 cables connect the smart sensor to the I/O unit. We recommend these cables be run through conduit for protection.

7. One cable connects the Operator Interface to the I/O unit. We recommend this cable is run through conduit for protection.

8. Run cables for Low Voltage Signals from the I/O Unit to the plant control panel in conduit or cable tray.

9. The I/O Unit requires single phase 50-60 Hz 90-250VAC @ 0.1KW.

10. Run 14-18AWG Earth Ground wire from local ground to Sensor Antenna floor mounting location and to I/O Unit ground. Both units must connect to a common Earth Ground.

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Important: Do not mount the Sensor where excessive heat transfer will occur. Operating temperature in excess of 140°F (60°C) will result in permanent damage. Provide an Earth Ground for the Sensor. Ensure a side plate of the Sensor is connected to local Earth Ground. Add a 14-18 AWG direct wire connection from the Sensor Antenna to a local Earth Ground potential. This is not a safety requirement, but may influence instrument performance.

Assembling the Sensor Antenna:

Tools Required:

1. 1/8 Allen wrench 2. 3/8 Combination Wrench 3. 3/8 Hex Driver Parts Provided:

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Assembly Procedure:

1. Place end of Sensor Antenna together as shown below.

2. Install the 6 flat head screws onto both ends of the Sensor Antenna side plates as shown below. Securely tighten each screw.

3. Install the 6 nuts onto both ends of the Sensor Antenna side plates as shown below. Securely tighten each nut.

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4. Remove 2 flat head screws and nuts from the small bracket. Install the 2 flat head screws onto both ends of the Sensor Antenna center electrode as shown below. Securely tighten each screw.

5. Install the 2 nuts onto both ends of the small bracket on the Sensor Antenna center electrode as shown below. Securely tighten each nut.

6.

7. Sensor Antenna assembly complete.

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Mounting the I/O Unit:

The ST-3300 I/O Unit is typically mounted near the Sensor in a conveniently accessible location for periodic maintenance and calibration tasks. Two standard M12 cables are used to connect the Sensor Electronics Unit to the I/O Unit. The M12 cables come in a standard length of 33 ft. (10m). An important consideration for the I/O Unit location is the need to maintain the ambient temperature below 50°C.

The I/O Unit is wired via two wire 4-20mA and/or 5 wire RS-485 interface to the plant master control for monitoring and control.

Figure 6 I/O Unit Dimensions

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Figure 7. I/O Unit Terminal Board showing Operator Interface (OI) Power Cable

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Figure 7. I/O Unit Terminal Board Layout

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I/O Unit Terminal Board Signals

Table 2: EXTERNAL SIGNALS

Internal Signal Connector Pin External Signal External Signal Description

+15VDC J5 1 Digital Input +15VDC I/O Unit Internal +15VDC (< 100mA) to power Proximity Detector or Micro-Switch

Ground J5 2 Digital Input Ground I/O Unit Internal Ground to power Proximity Detector or Micro-Switch

Dig In + J5 3 Digital Output+ Proximity Detector or Micro-Switch Output for gated measurement control

Dig In - J5 4 Digital Output- Proximity Detector or Micro-Switch Output for gated measurement control

4-20mA Out + J6 1 User PLC/Controller Positive 4-20mA Input

Moisture or Product Temperature measurement output value

4-20mA Out - J6 2 User PLC/Controller Negative 4-20mA Input

Moisture or Product Temperature measurement output value

G J7 1 Users RS-485 Bus B Ground User PLC/Controller RS-485 Ground

OP- J7 2 Users RS-485 Bus B RxD- Users PLC/Controller RS-485 RxD-

OP+ J7 3 Users RS-485 Bus B RxD+ Users PLC/Controller RS-485 RxD+

IP+ J7 4 Users RS-485 Bus B TxD+ Users PLC/Controller RS-485 TxD+

IP- J7 5 Users RS-485 Bus B TxD- Users PLC/Controller RS-485 TxD-

G J8 1 Users RS-485 Bus A Ground Users PLC/Controller RS-485 Ground

OP- J8 2 Users RS-485 Bus A RxD- Users PLC/Controller RS-485 RxD-

OP+ J8 3 Users RS-485 Bus A RxD+ Users PLC/Controller RS-485 RxD

IP+ J8 4 Users RS-485 Bus A TxD+ Users PLC/Controller RS-485 TxD+

IP- J8 5 Users RS-485 Bus A TxD- Users PLC/Controller RS-485 TxD-

Safety Ground J9 1 Safety Ground Safety Ground (90-250VAC 50-60Hz)

Line / Hot J9 2 Line / Hot Line / Hot (90-250VAC 50-60Hz)

Neutral J9 3 Neutral Neutral (90-250VAC 50-60Hz)

+15VDC OI-3300 Power 1 OI-3300 +15VDC Internal Cable providing power to OI-3300

Ground OI-3300 Power 2 OI-3300 Ground Internal Cable providing power to OI-3300

Table 1: INTERNAL SIGNALS

From To

Signal Color Connector Pin Connector Pin

IP+ (RS-485) BRN J3 1 J4 or to Users external TxD+ 4

IP- (RS-485) WHT J3 2 J4 or to Users external TxD- 5

OP- (RS-485) BLU J3 3 J4 or to Users external RxD- 2

OP+ (RS-485) BLK J3 4 J4 or to Users external RxD+ 3

Ground (RS-485) GRN/YEL J3 5 J4 or to Users external Ground 1

Ground (RS-485) GRN/YEL J4 1 J3 5

OP- (RS-485) BLU J4 2 J3 3

OP+ (RS-485) BLK J4 3 J3 4

IP+ (RS-485) BRN J4 4 J3 1

IP- (RS-485) WHT J4 5 J3 2

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ST-3300 System Power-up: Please verify the following before applying power to the ST-3300 I/O Unit: 1. Verify Earth Ground connection to Sensor Antenna Side Plate and IO Unit ground. 2. Securely tighten the M12 low voltage cables on top of Sensor Electronics Unit.

3. If used, verify connection on Sensor Electronics Unit to Product Temperature monitor. 4. Securely tighten the M12 low voltage cables on side of I/O Unit.

5. Verify connections on I/O Unit Terminal Block Connector J8 to Users PLC/Controller RS-485 signals.

6. Verify connections on I/O Unit Terminal Block Connector J6 to Users PLC/Controller 4-20mA signals.

7. If used, verify connections on I/O Unit Terminal Block Connector J5 to Users Proximity Detector / Micro-

Switch signals.

8. Verify connections on I/O Unit Terminal Block Connector J9 to single phase 90-250V A/C with Earth Ground.

9. Verify connections on I/O Unit Terminal Block Connector J9 to single phase 90-250V A/C with Earth

Ground. 10. Verify Earth Ground connection to I/O Unit enclosure mounting bolts.

Allow the ST-3300 System to warm-up >60 minutes to fully stabilize before calibration and use for process measurement.

For additional technical support, email us at support@sensortech.com or call 805-981-3735 Monday thru Friday between 8AM-4:30PM Pacific Standard Time