Rockwell-automation 1771-IR Series D RTD Input Module User Manual Manual do Utilizador descarregar pdf (Página 21)

2–7Installing the RTD Input Module

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The front panel of the RTD input module contains a green RUN

indicator and a red FAULT indicator. At power-up, the module

momentarily turns on both indicators as a lamp test, then checks for:

• correct RAM operation

• EPROM operation

• EEPROM operation

• a valid write block transfer with configuration data

If there is no fault, the red indicator turns off.

The green indicator comes on when the module is powered. It will

flash until the module is programmed. If a fault is found initially or

occurs later, the red fault indicator lights. The module also reports

status and specific faults (if they occur) in every transfer of data

(BTR) to the PC processor. Monitor the green and red indicators and

status bits in word 1 of the BTR file when troubleshooting

your module.

In this chapter you learned how to install your input module in an

existing programmable controller system and how to wire to the field

wiring arm.

Interpret Status Indicators

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Chapter Summary

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Rockwell-automation 1771-IR Series D RTD Input Module User Manual Manual do Utilizador Página 21