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Testing your module, Chapter 6 – Spectrum Controls 1746sc-CTR4 User Manual

Page 51

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Testing Your Module

Read this chapter to prevent potential problems in a systematic and
controlled way. This chapter covers:

• inspecting your module

• disconnecting prime movers

• powering up

• interpreting the LED indicators

• interpreting I/O error codes

• troubleshooting

Before testing your module, test your SLC 500 system using the
procedures described in your system’s Installation & Operation Manual.

Inspecting Your Module

You can prevent many potential problems by simply inspecting your
analog module:

1. Ensure that all wire connections are correct and secure and that no

wires are missing or broken.

CAUTION

FIELD WIRING ERRORS

Before enabling a channel (through your ladder program),

ensure that you have chosen a proper input range for your input

signal.

Failure to observe this precaution can cause improper module
operation or equipment damage.

2. Ensure that the shield for the cable used to wire your module is

properly grounded. Refer to Chapter 2, Installing And Wiring Your
Module
, for more information.

3. Ensure that the removable terminal block on your module is secure.

Chapter 6

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