Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 33

1 OVERVIEW
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(c) Troubleshooting process has been simplified through system monitoring.
(System monitor/error code display)
(d) After assigning the refresh parameters and inter-link data transfer devices
to a network system in which multiple network modules are installed,
duplicate device settings can easily be checked with [Assignment image
diagram].
Displays the latest error code.
Displays error history.
Displays the description and corrective
action of the error code selected in error
history.
MELSEC-Q
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