LED Description
Specifies the operation status of the CPU module.
l Green light: Implies the CPU operation is in ‘RUN’ mode either by any of
the following:
l ‘RUN/STOP’ switch in CPU set to RUN mode.
l REMOTE ‘RUN’ operation through SoftMaster even when the local
switch is on ‘STOP’ mode.
l Red light: The CPU operation is in ‘STOP’ mode either by any of the
following
RUN/STOP
LED
l RUN/STOP switch in CPU set to STOP mode.
l REMOTE ‘STOP’ operation through SoftMaster even when the local
switch is in ‘RUN’ mode.
l Red Blink: Warning or error during ‘STOP’ operation (if an error occurs,
stop the ongoing operation).
REM LED ON (YELLOW): ‘Remote enabled’ in case ’REMOTE’ switch is ‘ON’.
OFF: ‘Remote disabled’ in case ‘REMOTE’ switch is ‘OFF’.
ERR LED ON (RED): Error has occurred and CPU cannot operate normally.
OFF: Normal operation.
PS LED
(Programmable
Status)
l Red ON:
l ‘User assigned flag’ is ‘ON’.
l Operating in the error state by ‘operation proceeding in the error’
setting.
l Module is detached or new module is installed in the state where
‘M.XCHG‘switch is ‘ON’.
l OFF: Normal operation
BAT LED ON (Red): Battery voltage is low.
OFF: Normal operation.
CHK LED
l Red ON:
l Setting is different from standard setting (it is possible to add/delete
[clear] by parameter).
l ‘Module change’ switch is set as ‘Module change’.
l Operating in ‘DEBUG mode’.
l ‘Forced ON’ setting state.
l ‘Fault mask’, ‘SKIP’ flag is set.
l Warning occurs during operation.
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