Chapter 7. Diagnosis Function
7-6
[Table 7.1.3] LED indication specification of slave group
Classification Error type LED status Error contents
RSM_00
Checking inner memory 1 of module
RSM_01 Checking inner memory 2 of module
RSM_02 Checking communication
RSM_03
Power on
Checking special module common RAM
RSM_04 Normal Module communication is normal
RSM_05 Inner memory 1 error
RSM_06 Inner memory 2 error
RSM_07 Communication error
RSM_08 Write/Read special module error
RSM_09 Write/Read I/O module error
RSM_10
Hardware error
Module equipment error, fuse error
RSM_11
RSM_12
System
operation error
System error during operation
RSM_13
RSM_14
RSM_15
RSM_16
Abnormal
① Cable shout/open
②Not suitable for cable length
③Hardware error
④Network configuration status error
RSM_17
RSM_18
RSM_19
RSM_20
Error that
can’t be
recovered
Hardware error of communication module
※ LED location is RUN, TOKEN, TX/RX, FAULT, SYS FAULT from left.
On
Off
Flicker with 1 second period
Non-periodical flicker or off
Non-periodical flicker
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