Mitsubishi L02CPU User Manual

149
CHAPTER 3 CPU MODULE FUNCTIONS
3
3.23 Self-Diagnostic Function
: Self-diagnostics is performed. ×: Self-diagnostics is not performed.
*1 The operating status can be changed to "Continue" with the parameter setting ("Stop" is set by default.)
*2 This error includes an operation error when device range check is made at index modification.
Diagnostics
Error
message
Diagnostic timing
CPU
module
status
LED status
L02CPU
L26CPU-
BT
RUN ERR.
Program
error
Operation error
*1 *2
OPERATION
ERROR
• Instruction execution
Stop/
Continue
Off/On
Flashing/
On
FOR to NEXT
instructions structure
error
FOR NEXT
ERROR
• Instruction execution Stop Off Flashing
CALL to RET
instructions structure
error
CAN'T
EXECUTE(P)
• Instruction execution Stop Off Flashing
Interrupt program error
CAN'T
EXECUTE(I)
• Instruction execution Stop Off Flashing
Instruction execution
disabled
INST. FORMAT
ERR.
• Instruction execution Stop Off Flashing
SFC block
configuration error
CAN'T SET(BL) • Switching from STOP to RUN Stop Off Flashing
SFC step configuration
error
CAN'T SET(S) • Switching from STOP to RUN Stop Off Flashing
SFC execution error
SFC
EXE.ERROR
• Switching from STOP to RUN Stop Off Flashing
SFC syntax error
SFCP. FORMAT
ERR.
• Switching from STOP to RUN Stop Off Flashing
SFC block execution
error
BLOCK
EXE.ERROR
• Instruction execution Stop Off Flashing
SFC step execution
error
STEP
EXE.ERROR
• Instruction execution Stop Off Flashing
CPU error
Watchdog error
supervision
WDT ERROR • Always Stop Off Flashing
Program timeout PRG.TIME OVER • Always Continue On On
File diagnostic check
INCORRECT
FILE
• Power-on/reset
• Switching from STOP to RUN
• Writing to programmable
controller
Stop Off Off
Annunciator check F**** • Instruction execution Continue On
USER
LED
On

Mitsubishi L02CPU Specifications

General

Brand	Mitsubishi
Model	L02CPU
Category	Controller
Language	English