Led Indication Setting On Error Condition - Mitsubishi Electric MELSEC iQ-RX40NC6B Application User's Manual

LED indication setting on error condition

This function enables setting the indication of the I/O status indicator LED for when an error occurs.
The following figure shows the LED status on normal and abnormal conditions.
Normal condition
I/O status indicator LED
Off (I/O off)
LED indication on error condition
The ERR/ALM LED turns on when an error is detected.
The indication of the I/O status indicator LED can be set in "LED display setting when error occurred" for when an error is
detected.
■Hide abnormal occurrence points
The ON/OFF state of an I/O is indicated.
When the ERR/ALM LED is on, check the I/O with an error with the error history/alarm history.
■Always display abnormal occurrence points
Only the LEDs of I/Os with an error turn on. The LEDs of I/Os without error are off. (The ON/OFF state of input/output cannot
be indicated.)
The indications of the ERR/ALM LED and I/O status indicator LED enable identifying the input/output with an error.
■Switching display of input status and alarm (1 second intervals)
The LED indication is switched between "Hide abnormal occurrence points" and "Always display abnormal occurrence points"
at the interval of a second.
Check the I/O with an error with the error history or alarm history.
Setting procedure
Set the following item from "Basic setting".
• "LED display setting when error occurred" ( Page 92 LED indication setting on error condition)
[Navigation window]  [Parameter]  [Module Information]  Target module  [Module Parameter]  [Basic setting]
1 FUNCTIONS
42
1.3 Common Functions of the I/O Module with Diagnostic Functions
Error
detected
On (I/O on)
Error
eliminated
Error condition
I/O status
ALM/ERR LED
indicator LED
On On/off/flashing