6
FUNCTIONS
6.17 Self-diagnostics Function
6 - 137
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 using
built-in Ethernet ports of
CPU module
8
Communication with
Intelligent Function
Module
: Self-diagnostics is performed, : Self-diagnostics is not performed
(Continued on next page)
Table6.35 Self-diagnostics list (Continued)
Diagnosics Error message Diagnostics timing
CPU
module
status
LED status CPU module
RUN ERR. 1) 2) 3) 4)
5)
Redundant
system
fault
Program,
parameter, DIP
switch mismatch
FILE DIFF.
•Always
• When the CPU
module is
powered on/ reset
• When tracking
cable is
connected
• When switched to
the backup mode
• When writing data
during RUN
• When the system
is switched
• When both
systems are
switched to RUN
Stop OFF Flash
Operation status,
key switch
mismatch
OPE.MODE
DIFF.
• When the CPU
module is
powered on/ reset
•Always
Stop/
Continue
OFF/ON Flash/ON
Module mounting
configuration
mismatch
UNIT LAY. DIFF.
•Always
• When the CPU
module is
powered on/ reset
• When tracking
cable is
connected
• When operation
mode is changed
Stop OFF Flash
Memory card
installation status
mismatch
CARD TYPE
DIFF.
• When the CPU
module is
powered on/ reset
Stop OFF Flash
Current mode-time
function execution
disable
CAN’T EXE.
MODE
• Always Continue ON ON
Both systems file
consistency error
Parameter-valid
drive settings
consistency error
CPU MODE
DIFF.
• When the CPU
module is
powered on/ reset
• When END
instruction is
executed
• When tracking
cable is
connected
Stop OFF Flash
Tracking data
transmission error
TRK.TRANS.
ERR.
• Always Continue ON ON
Tracking capacity
excess error
TRK.SIZE
ERROR
• When END
instruction is
executed
Continue ON ON
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