Mitsubishi Q00JCPU User Manual page 438

6
FUNCTIONS
Diagnosics
Tracking cable
fault, tracking
hardware failure
Tracking cable not
connected, failure,
tracking hardware
failure
Tracking initial error
System switching
(form standby
system to control
system)
*7
occurrence
System switching
(from control
system to standby
system)
Redundant
*7
occurrence
system
fault System switching
error
Standby system not
started/stop error
Control system not
started/stop error
Program memory
cleared
Memory copy
function executed
Tracking setting
parameter error
When the CPU
module is powered
on/reset
Other CPU major
error
Multiple
CPU error
Multiple CPU
system not
configurable
6
- 138 6.17 Self-diagnostics Function
Table6.35 Self-diagnostics list (Continued)
Error message Diagnostics timing
• When the CPU
TRK.CABLE
module is
ERR.
powered on/ reset
TRK.
• Always
DISCONNECT
• When the CPU
TRK.INIT.
module is
ERROR
powered on/ reset
CONTROL EXE. • Always
STANDBY • Always
• When system
CAN'T SWITCH switching is
executed
STANDBY
• Always
SYS.DOWN
CONTROL
• Always
SYS.DOWN
• When program
PRG.MEM. memory copy
CLEAR function is
executed
• When memory
MEM.COPY
copy function is
EXE.
executed
• When the CPU
TRK.PARA.
module is
ERROR
powered on/ reset
• When the CPU
CPU LAY
module is
ERROR
powered on/ reset
• Always
MULTI CPU • When the CPU
DOWN module is
powered on/reset
• When the CPU
MULTI
module is
EXE.ERROR
powered on/ reset
CPU LED status
module
RUN
status
Stop OFF
Continue ON
Stop OFF
Continue ON
Continue ON
Continue ON
Continue ON
Stop OFF
Stop OFF
Continue ON
Stop OFF
Stop OFF
Stop OFF
Stop OFF
: Self-diagnostics is performed,
CPU module
ERR. 1) 2) 3) 4)
Flash
ON
Flash
OFF
OFF
ON
ON
Flash
Flash
ON
Flash
Flash
Flash
Flash
: Self-diagnostics is not performed
(Continued on next page)
5)