YOKOGAWA WE7231 Скачать руководство пользователя страница 26 | Manualshive

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3-3

IM 707231-01E

T

roubleshooting and Maintenance

3

3.3

Maintenance

Maintenance of Parts

There are no parts in this module that require periodic replacement.

Calibration

We recommend that you calibrate the measurement module once a year to assure its

measurement accuracy.

Contact your nearest YOKOGAWA representative as listed on the back cover of this

manual for calibration.

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Содержание WE7231

Страница 1: ...User s Manual 30 CH Fast Digital Thermometer Module IM 707231 01E 1st Edition...

Страница 2: ...erence in the event a question arises Notes This manual was written for version 4 2 0 0 of the WE7000 Control Software and module firmware version 3 05 The operating procedures and screen contents des...

Страница 3: ...igital Thermometer Module 707231 HE English help message NO Instrument Number When contacting the dealer from which you purchased the instrument please give them the instrument number MODEL MODEL NO N...

Страница 4: ...r example 720 KB Boldface Characters Characters set in boldface usually refer to items on screen or on the instrument such as knobs windows and buttons with which the user interacts Symbols The follow...

Страница 5: ...4 IM 707231 01E...

Страница 6: ...on and Other Functions 1 10 1 6 Name and Functions of Each Part 1 11 Chapter 2 Hardware Preparation 2 1 Mounting Modules in the Measurement Station 2 1 2 2 Connecting the 30 CH Scanner Box and the Inp...

Страница 7: ...modules WE7231 PC Optical interface card 30 CH Scanner Box sold separ separately Block Diagram CH1 CH2 CH3 CH4 CH15 CH16 DC A D Input signal processing circuit for CH1 CH15 Input signal processing cir...

Страница 8: ...undergoes A D conversion When measuring resistance such as in resistance temperature detectors a constant current is given through the connecting cable from the WE7231 to the device being measured an...

Страница 9: ...suring range type of thermocouple Select the reference channel for difference between channels calculation Execute NULL measurement on channels set to use the null value Alarm occurrence status indica...

Страница 10: ...les used for averaging Paste settings Displaying Alarm Status and Burn out by Channel Select groups for alarm status display or burn out Green indicator channels from the measured group set to output...

Страница 11: ...ion Pt100 200 0 to 650 0 C 0 01 C 0 1 C The resolution in parentheses is for an integral time of 1 ms or 4 ms DC Voltage Input DCV Range Measurement Range Resolution 20 mV 19 9999 mV 100 nV 1 V 200 mV...

Страница 12: ...o 0 11 s 1 ms 0 2 to 0 79 s 0 12 to 0 44 s 4 ms 0 8 to 3 49 s 0 45 to 1 99 s 16 7 20 ms 3 50 s to 2 0 s to 100 ms The integration time is automatically switched depending on the frequency of the power...

Страница 13: ...o one of the following values the indicators are displayed at every other channel 1 0 14 s 0 2 0 24 s 0 8 1 14 s 3 5 3 84 s When burn out is automatically detected the load on the PC can be large so u...

Страница 14: ...ecified lower limit Low level Input Signal Alarm In Output when a measured value is between the specified upper and lower limits inclusive Out Output when a measured value is less than the specified l...

Страница 15: ...tting dialog box see section 4 6 Setting the Trigger Source Time Base Source Arming in the WE7000 User s Manual IM 707001 01E Example of Alarm Output TRIG_HIGH CH1 input signal High level Event output...

Страница 16: ...WE7000 User s Manual IM 707001 01E Waveform Display You can display measured data as a waveform on the WE7231 When measurement is started on WE7231 s operation panel waveforms are automatically displ...

Страница 17: ...6 Name and Functions of Each Part Front Panel Start indicator Lights when measurement starts Input connector Connector for the scanner box See page 2 5 for the names and functions of each part of the...

Страница 18: ...ding on the power supply cord CAUTION To avoid damage to the instrument turn OFF the standby power switch on the measuring station when installing a measurement module When inserting the module into t...

Страница 19: ...crew Module attachment screw Ejection lever Note When synchronization of the measurements of multiple input signals is desired linking the modules install the multiple digital thermometer modules in a...

Страница 20: ...rms or 100 VDC Do not apply the voltage exceeding 60 VACrms or 100 VDC between input channels as it may damage the module and 30 CH Scanner Box Remove the 30 CH Scanner Box from the module when connec...

Страница 21: ...annel 1 s H and L terminals are the voltage input terminals then channel 2 s H and L terminals are the current output terminals The each H and L terminal of channel 15 or 30 become current output term...

Страница 22: ...With a cable clamp 2 mm2 without a cable clamp 19 mm2 Terminal cover attachment screws 2 Cable clamp Terminal cover Cable attachment screw Functional ground terminal Cable clamp attachment screw Exam...

Страница 23: ...n connecting a module to the 30 CH Scanner Box As in the diagram below use the cable that came with the 30 CH Scanner Box between the scanner box and the module input connector Connection Cable Access...

Страница 24: ...measuring again after the warm up time has passed Check to see that the input signal level is not exceeding the 4 1 4 2 measurement range Temperature measurement is not Check that the RJC setting is c...

Страница 25: ...tem Self Test 2 In the Self Test dialog box select the station name and slot number of the module to be tested and click the Execute button Executing is displayed in the Result box Verifying Test Resu...

Страница 26: ...s There are no parts in this module that require periodic replacement Calibration We recommend that you calibrate the measurement module once a year to assure its measurement accuracy Contact your nea...

Страница 27: ...uses the 200 k 2 M range Fast Scan 0 06 s to 60 min 0 46 s or more if any channel uses the 200 k 2 M range Normal Scan Fast Scan Integration time 0 10 to 0 19 s 0 06 to 0 11 s 1 ms 0 2 to 0 79 s 0 12...

Страница 28: ...em Range Maximum display Resolution Measured Current 20 19 9999 19 999 100 1 m 1 mA 200 199 999 199 99 1 m 10 m 1 mA 2 k 1 99999 1 9999 10 m 100 m 1 mA 20 k 19 9999 19 999 100 m 1 100 A 200 k 199 999...

Страница 29: ...he 30 CH Scanner Box is balanced Temperature coefficient In the 20 V range accuracy 5 C Other ranges accuracy 10 C However at 5 to 18 C or 20 to 40 C Computaion The calculations below can be turned ON...

Страница 30: ...ff Channel CH 1 on the module NULL use NULL value Off Delta difference measurement Off Averaging Off Type alarm type Off RJC Source internal external switch for the reference junction compensation Int...

Страница 31: ...e except 10 M 1 for the 20 V range Allowable Signal Resistance 1 k or lower when using thermocouple or resistance temperature detector Normal Mode Rejection Ratio Approximately 60 dB at an integration...

Страница 32: ...cover opening when connecting to all input terminals When using the cable clamp 2 mm2 Without the cable clamp 19 mm2 Operating Conditions Temperature 5 to 40 C Humidity 20 80 RH except maximum wet bul...

Страница 33: ...WE7231 30 CH Fast Digital Thermometer Module 33 242 4 227 4 5 START 30 CH FAST 30 CH Scanner Box Model 707815 132 305 10 6 5 59 5 707815 1 m 707815 L3 3 m Main Unit Connecting cable If not specified t...

Страница 34: ...Mode 1 6 File Conversion 1 10 Front Panel 1 11 Function 1 5 G Group 1 8 H High 1 8 Hold 1 9 I In 1 8 Input Connector 1 11 Internal 1 6 L Low 1 8 M Measurement Function 1 5 Model 2 Moving Average 1 6...

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