Mitsubishi Q02CPU

6
FUNCTIONS
6.17 Self-diagnostics Function
6
- 106
1
Overview
2
Performance Specification
3
Sequence Program Configuration and Execution Conditions
4
I/O Nunber Assignment
5
Memories and Files Handled by CPU Module
6
Functions
7
Communication with Intelligent Function Module
8
Parameters
: Self-diagnostics is performed : Self-diagnostics is not performed
* 1 : Can be changed to "Continue" in the parameter setting of GX Developer.
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Table6.29 Self-dianostics list (Continued)
Diagnosics Error message Diagnostics timing
CPU
module
status
LED status CPU module
RUN ERR. 1) 2) 3) 4)
Program
error
Operation error
*1
OPERATION
ERROR
• When an
instruction is
executed
STOP/
Continue
OFF/ON Flicker/ON
FOR to NEXT
instruction structure
error
FOR NEXT
ERROR
• When an
instruction is
executed
STOP OFF Flicker
CALL to RET
instruction structure
error
CAN'T
EXECUTE(P)
• When an
instruction is
executed
STOP OFF Flicker
Interrupt program
error
CAN'T
EXECUTE(I)
• When an
instruction is
executed
STOP OFF Flicker
Instruction execution
not possible
INST.FORMAT
ERR.
• When an
instruction is
executed
STOP OFF Flicker
SFC program
structure error
SFCP.CODE
ERROR
• When switched
from STOP to RUN
STOP OFF Flicker
SFC block structure
error
CAN'T SET(BL)
• When switched
from STOP to RUN
STOP OFF Flicker
SFC step structure
error
CAN'T SET(S)
• When switched
from STOP to RUN
STOP OFF Flicker
SFC syntax error
SFCP. FORMAT
ERR.
• When switched
from STOP to RUN
STOP OFF Flicker
SFC operation
check error
*1
SFCP.OPE.
ERROR
• When an
instruction is
executed
STOP/
Continue
OFF/ON Flicker/ON
SFC program
execution error
SFCP.EXE.
ERROR
• When switched
from STOP to RUN
Continue ON ON
SFC block execution
error
BLOCK
EXE.ERROR
• When an
instruction is
executed
STOP OFF Flicker
SFC step execution
error
STEP
EXE.ERROR
• When an
instruction is
executed
STOP OFF Flicker
PLC error
Watchdog error
supervision
WDT ERROR • Always STOP OFF Flicker
Program time
exceeded
PRG.TIME OVER • Always Continue ON ON