Spectrum Controls 1746sc-INI4vi - Manual (Page 47)

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 not connected a voltage source to a
channel configured for a current input (and vice versa).
Failure to observe this precaution can cause improper module
operation or equipment damage.
Chapter 6
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