Mitsubishi Q00JCPU User Manual page 436

6
FUNCTIONS
Diagnosics
*1 *6
Operation error
FOR to NEXT
instruction structure
error
CALL to RET
instruction structure
error
Interrupt program
error
Instruction
execution not
possible
Multiple CPU
dedicated
instruction
SFC program
structure error
SFC block structure
Program
error error
SFC step structure
error
SFC execution
error
SFC syntax error
SFC operation
*1
check error
SFC program
execution error
SFC block
execution error
SFC step execution
error
Watchdog error
supervision
PLC error
Program time
exceeded
6
- 136 6.17 Self-diagnostics Function
Table6.35 Self-diagnostics list (Continued)
Error message Diagnostics timing
• When an
OPERATION
instruction is
ERROR
executed
• When an
FOR NEXT
instruction is
ERROR
executed
• When an
CAN'T
instruction is
EXECUTE(P)
executed
• When an
CAN'T
instruction is
EXECUTE(I)
executed
• When an
INST.FORMAT
instruction is
ERR.
executed
• When the
MULTI COM.
instruction is
ERROR
executed
• When switched
SFCP.CODE
from STOP to
ERROR
RUN
• When switched
CAN'T SET(BL) from STOP to
RUN
• When switched
CAN'T SET(S) from STOP to
RUN
• When switched
SFC.EXE.
from STOP to
ERROR
RUN
• When switched
SFCP. FORMAT
from STOP to
ERR.
RUN
• When an
SFCP.OPE.
instruction is
ERROR
executed
• When switched
SFCP.EXE.
from STOP to
ERROR
RUN
• When an
BLOCK
instruction is
EXE.ERROR
executed
• When an
STEP
instruction is
EXE.ERROR
executed
WDT ERROR • Always
PRG.TIME
• Always
OVER
CPU LED status
module
RUN
status
Stop/
OFF/ON
Continue
Stop OFF
Stop OFF
Stop OFF
Stop OFF
Stop OFF
Stop OFF
Stop OFF
Stop OFF
Continue ON
Stop OFF
Stop/
OFF/ON
Continue
Continue ON
Stop OFF
Stop OFF
Stop OFF
Continue ON
: Self-diagnostics is performed,
CPU module
ERR. 1) 2) 3) 4)
Flash/ON
Flash
Flash
Flash
Flash
Flash
Flash
Flash
Flash
ON
Flash
Flash/ON
ON
Flash
Flash
Flash
ON
: Self-diagnostics is not performed
(Continued on next page)
5)