Section 6.5 Interpreting I/O Error Codes - Spectrum Controls SLC 500 User Manual

If the module status
LED is...
On
Off
Section 6.5
Interpreting
I/O Error Codes
Table 4-1 LED Definition
Use the following table to interpret LED indications:
And the channel status LED
is...
On
Blinking
Off
Off
I/O error codes appear in word S:6 of the SLC processor status file. The first two
digits of the error code identify the slot (in hexadecimal) with the error. The last
two digits identify the I/O error code (in hexadecimal).
The error codes that apply to your module include (in hexadecimal):
50–5E
•
71 (watchdog error)
•
90–94
•
For a description of the error codes, refer to the Allen-Bradley Advanced
Programming Software (APS) Reference Manual, Allen-Bradley publication
1746-6.11.
Chapter 6: Testing Your Module
Then...
The channel is enabled.
One of the following channel errors occurred:
• Circuit open or no wiring is connected.
• Signal is near or beyond end of range
Channel configured incorrectly
•
Refer to Troubleshooting.
Either your module is powering up or the
channel is disabled.
Either the power is off, the module is powering
up, or a module fault occurred. Cycle power. If
the condition persists, call your local distributor
or Spectrum Controls for assistance.
User's Manual Pub. 0300266-04 Rev. A
6-3