Mitsubishi Q00JCPU - Page 433

6
FUNCTIONS
6.17 Self-diagnostics Function
6 - 133
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)
Hardware
failure
Intelligent function
module error *
1
SP.UNIT DOWN
• When the CPU
module is powered
on/reset
• When FROM/TO
instruction is
executed
• When intelligent
function module
dedicated instruction
is executed
• When END
instruction is
executed
Stop/
Continue
OFF/ON Flash/ON
Control bus error
CONTROL-BUS
ERR.
• When the CPU
module is powered
on
• When END
instruction is
executed
• When FROM/TO
instruction is
executed
• When intelligent
function module
dedicated instruction
is executed
• Always
Stop OFF Flash
Momentary stop
occurred
AC/DC DOWN • Always Continue ON
OFF
Multiple CPU high
speed bus dedicated
instruction error
MULTI-C.BUS
ERR.
• When the CPU
module is powered
on/reset
Stop OFF Flash
Redundant base unit
power supply voltage
drop
SINGLE PS.
DOWN
• Always Continue ON ON
*4 *4 *9
Redundant power
supply module fault
SINGLE PS.
ERROR
• Always Continue ON ON
*4 *4 *9
Battery low
*3
BATTERY ERROR
• Always
Continue ON
BAT.ALM
LED ON
ROM write count error
FLASH ROM
ERROR
• At ROM write Continue ON ON