Mitsubishi MELSEC-A A2ASCPU-S30 User Manual

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CPU MODULE4.
Self-diagnostics list
*1 Can be changed by the parameter settings of the peripheral devices.
*2 Indicated as a three-digit trouble code only for errors with the "CHK" instruction.
Diagnosis item Diagnosis timing
CPU module
status
Status of
"RUN" LED
Contents of error
indication
Error code
(D9008)
Memory error
Instruction code check Upon execution of each instruction
Stop Flickering
INSTRCT CODE ERR. 10
Parameter setting check
• When switching ON or resetting
• When switching from (STOP, PAUSE) to
(RUN, STEP RUN)
PARAMETER ERROR 11
No END instruction
• When M9056 or M9057 is ON
• When switching from (STOP, PAUSE) to
(RUN, STEP RUN)
MISSING END INS. 12
Unable to execute instruction
•
• Upon execution of each instruction
• When switching from (STOP, PAUSE) to
(RUN, STEP RUN)
CAN'T EXECUTE(P) 13
Format (CHK instruction) check
• When switching from (STOP, PAUSE) to
(RUN, STEP RUN)
CHK FORMAT ERR. 14
Unable to execute instruction
• When interruption occurred
• When switching from (STOP, PAUSE) to
(RUN, STEP RUN)
CAN'T EXECUTE(I) 15
CPU error
RAM check
• When switching ON or resetting
• When M9084 is ON during STOP
Stop Flickering
RAM ERROR 20
Operation circuit check • When switching ON or resetting OPE.CIRCUIT ERR. 21
Watchdog error supervision • Upon execution of END instruction WDT ERROR 22
END instruction not executed • Upon execution of END instruction END NOT EXECUTE 24
Main CPU check Always MAIN CPU DOWN 26
I/O error
Module verification error
*1 (Default: stop)
Upon execution of END instruction
(However, not checked when M9084 is ON.)
Stop/Operate
Flickering/
ON
UNIT VERIFY ERR. 31
Fuse blown
*1 (Default: stop)
Upon execution of END instruction
(However, not checked when M9084 is ON.)
FUSE BREAK OFF 32
Special function module error
Control bus check Upon execution of FROM, TO instruction
Stop Flickering
CONTROL-BUS ERR. 40
Special function module error Upon execution of FROM, TO instruction SP.UNIT DOWN 41
Link module error
• When switching ON or resetting
• When switching from (STOP, PAUSE) to
(RUN, STEP RUN)
LINK UNIT ERROR 42
I/O interrupt error When interruption occurs I/O INT.ERROR 43
Special function module
allocation error
• When switching from (STOP, PAUSE) to
(RUN, STEP-RUN)
SP.UNIT LAY.ERR. 44
Special module access error
*1 (Default: stop)
Upon execution of FROM, TO instruction Stop/Operate
Flickering/
ON
SP.UNIT ERROR 46
Link parameter error
• When switching from (STOP, PAUSE) to
(RUN, STEP-RUN)
Operate ON LINK PARA.ERROR 47
Battery
Low battery
Always
(However, not checked when M9084 is ON.)
Operate ON BATTERY ERROR 70
Operation error
*1 (Default: stop)
Upon execution of each instruction Stop/Operate
Flickering/
ON
OPERATION ERROR
*2
[<CHK> ERROR ]
50
CJ SCJ JMP CALL(P) FOR to NEXT

Mitsubishi MELSEC-A A2ASCPU-S30 Specifications

General

Brand	Mitsubishi
Model	MELSEC-A A2ASCPU-S30
Category	Controller
Language	English