Spectrum Controls SLC 500, User Manual

Page: 53 / 66

Chapter 6: Testing Your Module 6-3
User’s Manual Pub. 0300181-07 Rev. A
Operation
The module has 9 (5-CTR4) LED’s that indicate the following:
Module Status LED: 1 Green LED:
Indicates that the module
has completed its self-test
and is ready. Module and
self-test errors are
reported by an error blink
code.
Channel Status LED’s: 8 Green LEDs:
The channel status LEDs
indicate that the given
channel is Enabled. See
table below for blink
code.
The Module and Channel Status LEDs produce diagnostic blink codes when an
error occurs. If the Module Status LED produces a blink code, please contact
your local AB Representative or one of our technical support engineers.
The Channel Status LED error codes may be used to detect channel configuration
errors.
Table 6-1. Channel Status LED Blink Codes
Blink # Fault
1 Frequency Scale/F Factor Out of Range
2 Frequency Input Range Mismatch:
Channel pairs,0-1/2-3/4-5/6-7 must be configured for the same
range.
3 Bidirectional or Quadrature Mode Configuration Error:
Channel pair configuration word must be identical for these modes.
4 Negative K, M, or F Factor.
5 Limit out of range.
6 Preset out of range.
7 High resolution rate and 24 bit counter mode set.
Codes
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