DMM Data Logger Manual Eng

7/31/2019 DMM Data Logger Manual Eng

1/24

DMM Data Logger Manual


2/24


3/24

DMM Data LoggerManual

2

1. Introduction

The DMM Data Logger software processes data received from the multimeter via RS232Ccommunication on a PC and provides the following functions.

Measurement status display

z Displays data being measured on the multimeter in real time.

z When the multimeter function changes or a key is pressed the software receives the change anddisplays the status on the screen.

Interactive control interface

z The software interface displays the instrument on screen making it easy to make changes to DMMfunctions from the PC. When a DMM key is pressed using the PC it is the same as pressing thekey on the multimeter.

If data is for receive only, the key link function is not available.

z The meter view displays data currently being measured under any status.

REAL MEASUREMENT MODE

z Data being measured can be displayed as a chart or table.

z When a meter is connected, logging mode can be started.

z Regardless of meter connection, saved data can be retrieved and history mode can be accessed.

LOGGING MODE

z

The software calculates sample reading, max. reading, min. reading, and average reading from thedata measured.

z You can view the status of logged data as a chart or table.

History mode and printing

z You can always search for logged data even when the meter is not connected.

z Title, date, measured function and user remark are displayed in logged data. Any of theseparameters can be used to search for required data.

z You can print the searched data as an Excel or text file. The graph on the chart can be saved as aBMP or JPG file.

z

The data displayed on the chart can be displayed by enlarging/downsizing the data in the area youwant by using the PCs mouse.

Communication status auto correction

z Manual serial port setup is not required. The software searches for a usable port and performs aconnection test and makes a connection automatically.

z If the software determines the communication connection is disconnected or power is off, it retriescommunication to make a connection.

z Data validity tests are performed to prevent errors especially if the RS-232C connection becomesunstable at any point during communication


4/24


3

2. Software Specifications

Minimum hardware requirements:

z

CPU : Intel Pentium2 or abovez RAM : 32MB minimum

z HDD : 20MB of free space for standard installation. More hard disk space for data logging

z CD-ROM Drive for software installation

z Serial Port (RS232C COM port)

Recommended hardware requirements

The following hardware requirements are recommended to run the software properly.z CPU : Intel Pentium-III or above

z RAM : 128MB

z HDD : enough hard disk space for logging data

Software operation requirements

z OS : Windows 2000, Windows XP

z MS Excel : required to save the data as Excel file

Installation CD

z DMMSetup.exe : installation program


5/24


4

3. Software manual

Install Software

Insert the DMM Data Logger CD into your CD-ROM drive. Software installation will begin automatically.If installation does not start automatically, open the CD using Windows Explorer and click DMMSetup.exe.

Note : You must install DCOM98 package to install the software on Windows 98. DCOM98 package

is in the Utils folder of the CD.

The installation procedures are as follows.

[Software installation guide] [Selects software installation patch]

[Release compression of the software file and copy ] [Installation is finished]


6/24


5

Connecting your meter

Attach the serial port cable of the DMM to the serial port on your PC.


7/24


8/24


7

Data View

Data View is the basic screen of the software. Menu and toolbar for operation control and setup arelocated on the upper side. It displays data being received from the meter as a chart or table peroperation mode.

[Chart View]

[Table View]


9/24


8

[Menu and Toolbar]

The menu and the toolbar is located in the left upper side of the Data View.

z [File] [Start logging]/[Stop logging] : available when the meter is connected. Starts or stops logging.

When logging is started, the software is in logging mode. When logging is stopped and iflogged data exists, the software will be in history search mode. If not, it will return to realmeasurement mode.

[Open logging] : opens saved logged data. [Close logging] : closes opened logged data and returns to real time measurement mode.. [Save data] : saves currently displayed data in text or Excel format.

[Save image] : saves the currently displayed image on the chart in BMP or JPG format. [Exit] : exits the software.

z [View] [Chart] : displays data in chart format. [Table] : displays data in table format. [Meter] : displays or hides the virtual multimeter.

z [Option] [Model] : Selects the multimeter model being connected. [Chart] : selects the parameter to display on the chart. Each parameter can be displayed or

hidden. Sample reading, max. reading, min. reading and average reading. [Configuration] : opens the environment setup window. [Remark] : opens the window where user can edit remarks on the data in the logging mode or

history search mode.

z [Help] [About] : displays the information on this software.

: starts or stop logging. [File]->[Start logging]/[Stop logging]

: opens saved logging data. [File]->[Open logging]

: closes open logging data. [File]->[Close logging]

: displays data as chart. [View]->[Chart]

: displays data as table. : [View]->[Table]

: saves data as text or excel format. [File]->[Save data]

: saves the chart as image. [File]->[Save image]

: displays or hides the Meter View. [View]->[Meter]

: edits user remark for logging data. [Option]->[Remark]


10/24


9

[Status Title Bar]

Current operation mode, meter connection status, and the function being measured are displayed on thestatus title bar of the Data View.z Operation Mode

Realtime Reading : Realtime measurement mode Logging : Logging Mode History Data : History Mode

z Meter connection statusIt indicates if it is connected with the meter as On-line or Off-line.

z Function being measuredWhen the meter is connected, it displays the selected function on the current meter.

[Measured data summary]

In realtime measurement mode, the current measured data will be displayed on Reading. And Min.Max. Average data after measurement will be displayed in Minimum, Maximum, Average.

In the logging mode, each last logged data will be displayed. In history mode, the reading of the pointwhich the cursor points to on the chart.

Each check box in front of each factor displays or hides the graph. The [Reset] button initializes themin./max./average reading in the realtime measurement mode.

In logging mode or history search mode, the additional summary information will be displayed asfollows. You can see the date of measurement start/stop, measurement interval, and the number ofpoints measured. If [Scroll] is checked in logging mode, the chart will be scrolled and displayed. If not, alldata will be displayed in the chart.

Current operation Meter conection Function being


11/24


10

[Chart View Details]

The horizontal and vertical guidelines are displayed and selected using the mouse cursor in real timemeasurement or logging mode. These lines indicate the measurement time and value at each location.This value is displayed in detail on the status bar in the right side bottom of the screen.


12/24


11

The sample point which is the closest to the mouse cursor is emphasized as . And the

min/max/average reading based on the time recorded by the related point is displayed in the

measurement data summary .

On the history mode, you can enlarge/minimize or scroll the chart with a mouse.

The scale of the chart can be adjusted so that all data is displayed.

If you click the left button and drag the mouse from left to right the area seen can be enlarged. Theselected area will display as shown in the picture below. If you release the mouse button, theselected area will be enlarged.


13/24


14/24


13

If there is a reading with a value more than 1500 or below 0.001 in the vertical (Y) axis it will be displayedas an exponent. The exponent below 0.001 is displayed as Value

-e.


15/24


14

Meter View

Meter view provides a virtual display of the meter. The model and interface is the same as the actual meterbeing used providing an interactive interface that is simple to use.

Measured data is displayed on screen in the same way it would be on the meter. The meter selectorposition is displayed on screen too. Active and non-active buttons, depending on selector position, alongwith other graphic symbols are displayed as well. If you click a meter button on the meter view, it affectsthe meter the same as pressing the button on the meter.

The correct lead connection position for the function selected is displayed at the input terminals.


16/24


15

Starting/Stopping logging

If you select [File]->[Start logging] when the meter is on-line or click the logging start button on the toolbar, the following window will appear. You can check and change information on logging in this screen.

Default value for title is [model_measurement type_task no.]. Users can change the title as required.

Interval sets the save interval of the measurement data

Remark : attaches user remarks for this logging. Remarks can be changed later as needed.

If you click [Start], the data view runs in the logging mode and starts saving data.

If the software thinks the function changes or connection is incorrect during logging, it shows thefollowing message for the amount of time as set in the environment setting and waits until changes aremade to the correct the problem. If the problem is not corrected in time logging is stopped.

If there is no saved data when logging stopped, the software removes the record automatically andchanges to real time measurement mode. If there is data, it will change to the history mode for therelated data and you can view the saved data in detail.


17/24


18/24


17

Saving data and chart image

Selects [File]->[Save data] or saving data button on the tool bar. Then the following dialogue box askingsave location and save type will appear.

Save type is plain text format or Microsoft Excel format. Saved data has the following form.

You cannot save more than 65000 data points as excel. The software will ignore excess dataautomatically..

Text is moresimple thanexcel. But thereis no limit oncolumns to beprinted


19/24


18

Select [File]->[Save image] or click the save image button on the tool bar. Then the following dialoguebox asking for save location and save type will appear.


20/24


19

BMP hasgood picturequality but the

file size islarger thanJPG..

JPG has a

little distortionin color but filesize is small.

(about 1/10)


21/24


20

Configuration setup

Select [Option]->[Configuration] on the menu, then the following window will appear and you can setupconfiguration.

z Data archive path : Click the [Browse] and set the data archive path.

z Serial port : sets the serial port to connect the multi meter. If Auto is selected, the softwareautomatically searches for all usable ports in the system and connects. If not, it uses the selectedport only.

zPort opening timeout : time to wait to open the serial port and check meter connection. If the time isexceeded the software decides the meter is not connected to the port or power is not on and triesconnection to the next port.


22/24


21

z Logging interval : sets the interval to collect data during loggingz Chart series color : selects color of each graph on the chart view. When you click the name of each

graph, the following color selection window will appear. Select the color you want and click [OK].Click the [Define Custom Colors >>] button, then you can select more color.

z [Ok] : saves changed settings. In some cases, a message which asks to restart the software mayappear.

z [Cancel] : cancels setting changes.

z [Load Default] : loads the default setting.


23/24


22

User Remark

In logging or history search mode, click [Option]->[Remark] on the menu or click the remark button on thetoolbar. Then the following user remark editor window will appear.

Users can edit remarks in the text box freely. If you click [Add Timestamp], the current date and time tag

will be attached to the last line. So you can know when you wrote the remark.

After editing, click [Apply]. Then the changes will be saved and you can check the remark as followingswhen you open the logging data.


24/24

DMM Data LoggerManualOther

When you run the software an icon on the taskbar appears on the right bottom of the screen. If you doubleclick this icon, the software will return to the previous screen.

If the software is already running another session cannot be opened. If this happens the following messagewill appear.

Documents

DMM Data Logger Manual Eng