Led Display; Method To Turn Off The Led - Mitsubishi MELSEC QS Series User Manual

6
FUNCTIONS

6.18 LED Display

The LEDs on the front of the CPU module show the CPU module operation status.
Remark

6.18.1 Method to turn off the LED

QS001CPU
Diagram 6.34 LED on CPU module front
Refer to the following manual for details of the LED indications.
QSCPU User's Manual (Hardware Design, Maintenance and Inspection)
The LED that is on can be turned off by the following operation. (Except for the
reset operation.)
Method to Turn LED Off
After the cause of error is resolved, cancel the error by
operating the special relay SM50 and special register
SD50. (Only for the operation continue errors.)
* 1 : Special relay and special register contents
SM50•••When switch from OFF to ON, the error is canceled for the error code stored
in the SD50.
SD50•••The error code for the error to be canceled is stored.
Refer to the following manual for the error codes.
QSCPU User's Manual (Hardware Design/Maintenance and Inspection)
ALIVE TEST
RUN USER
ERR. BAT.
Table6.20 LED turning off method
ERR.
*1
6.18 LED Display
6.18.1 Method to turn off the LED
Applicable LED
USER BAT. BOOT
: Valid : Invalid
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