Rockwell Automation 1794-VHSC 1794 FLEX I/O Very High Speed Counter Module User Manual - Manual (Page 57)

Rockwell Automation Publication 1794-UM010D-EN-E - July 2013 49
Interpret Status Indicators for your FLEX I/O Module
Diagnostic Codes Returned
by the Module If an incomplete, incorrect or conflicting set of configuration parameters are sent
to the module, the PE bit is asserted, the green module status indicator flashes,
and an error code is displayed in bits 0…11 of the module/channel status word.
These codes are identified below.
During hardware self-tests, when either FlexBus power or terminal base power is
first applied and a fatal error occurs, the TF bit is asserted and the red module
status indicator turns on. An error code is placed in the lower byte of the
module/channel status word to indicate the failed resource.
Chapter Summary This chapter described how to troubleshoot your adapter module by interpreting
the status indicators and module/channel status word error codes.
Diagnostics Reported by Input Data Word 8
Read Word Bit Indication
Word 8 00 A reserved configuration or mode was programmed.
01 ZF/BF/AF were selected and no filter was programmed, or multiple
filters were selected.
02 A timebase was entered that was not a multiple of 10, or the timebase is
out of range (>3000, that is 3 s).
03 A configuration requiring a timebase was selected and no gate interval
was set, or the gate interval is out of range (>3 s) or the product of
timebase and gate interval is greater than 3 s.
04 A rollover of zero was programmed through PWM was not selected; a
rollover was programmed and PWM was selected; or the rollover is out
of range (1
≤
rollover
≤
16,777,216).
Word 05 The preset (1
≤
preset
≤
16,777,216) is out of range.
06 A configuration was selected that requires a scalar, and no scalar was
programmed or multiple scalars were selected.
07 A tie has been connected to an unprogrammed window.
08 Counter 0 window ON and OFF values are equal and not zero or counter
0 window ON and OFF value greater than 16,777,215.
09 Counter 1 window ON and OFF values are equal and not zero or counter
1 window ON and OFF value greater than 16,777,215.
10 Reserved
11
Error Code Definitions
Read Word Bit 02 01 00 Dec. Definition
Word 8 00…07 0 0 1 1 RAM test failed.
0 1 0 2 ROM checksum test failed.
0 1 1 3 EEPROM test failed.
1 0 0 4 Programmable Gate Array
loading failed
All other combinations not used.