Mitsubishi QCPU (Q Mode) User Manual

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MELSEC-Q
7 FUNCTION
Self-Diagnosis List (Continued from the preceding page)
Diagnosis description Error message Diagnostic timing
Password error REMOTE PASS.ERR.
• When the power is turned on/when reset
• When switched from STOP to RUN
Instruction code check INSTRUCT CODE.ERR.
• When the power is turned on/when reset
• When switched from STOP to RUN
No END instruction MISSING END INS.
• When the power is turned on/when reset
• When switched from STOP to RUN
Pointer setting error CAN´T SET(P)
• When the power is turned on/when reset
• When switched from STOP to RUN
Pointer setting error CAN´T SET(I)
• When the power is turned on/when reset
• When switched from STOP to RUN
Operation check error (Default...
Stop)
1
OPERATION ERROR When an instruction is executed
FOR to NEXT instruction structure
error
FOR NEXT ERROR When an instruction is executed
CALL to RET instruction structure
error
CAN´T EXECUTE(P) When an instruction is executed
Interrupt program error CAN´T EXECUTE(I) When an instruction is executed
Instruction execution not possible INST.FORMAT ERR. When an instruction is executed
SFC program structure error SFCP.CODE ERROR When switched from STOP to RUN
SFC block structure error CAN´T SET(BL) When switched from STOP to RUN
SFC step structure error CAN´T SET(S) When switched from STOP to RUN
SFC syntax error SFCP.FORMAT ERR. When switched from STOP to RUN
SFC operation check error
(Default... Stop)
1
SFCP.OPE.ERROR When an instruction is executed
SFC program execution error SFCP.EXE.ERROR When switched from STOP to RUN
SFC block execution error BLOCK EXE.ERROR When an instruction is executed
Program error
SFC step execution error STEP EXE.ERROR When an instruction is executed
Watch dog error supervision WDT ERROR Always
PLC error
Program time exceeded PRG.TIME OVER Always
Other PLC major error MULTI CPU DOWN
• Always
• When the power is turned on/when reset
Multiple PLC consistency error CPU VER.ERR. • When the power is turned on/when reset
Multiple PLC
Other PLC minor error MULTI CPU ERR. • Always
BOOT OK BOOT OK • When the power is turned on/when reset
Annunciator check F When an instruction is executed
CHK Instruction check <CHK>ERR - When an instruction is executed
1:Can be changed to "continues" in the GX Developer function parameter setting.

Mitsubishi QCPU (Q Mode) Specifications

General

Brand	Mitsubishi
Model	QCPU (Q Mode)
Category	Controller
Language	English