Appendix A System Registers Lists
A.2 System Status
A-6
A.2 System Status
System operating status and error status is stored in registers SW00040 to SW00048. Checking of system status details
are used to determine whether hardware or software is the cause of an error.
Name Register No. Description
Reserved by
the system.
SW00030
to
SW00039
–
CPU Status SW00040
SB000400
READY 0: Failure, 1: Normal
SB000401
RUN 0: Stopped, 1: Running
SB000402
ALARM 0: Normal, 1: Alarm
SB000403
ERROR 0: Normal, 1: Error
SB000404
Reserved by the system. –
SB000405
Reserved by the system. –
SB000406
FLASH 1: Flash operation
SB000407
WEN 0: Write-disabled, 1: Write-enabled
SB000408
to
SB00040D
Reserved by the system. –
SB00040E
Operation Stop Request 0: RUN selection, 1: STOP selection
SB00040F
Run Switch Status at Power ON 0: STOP, 1: RUN
CPU Error
Status
SW00041
SB000410
Serious Failure
1: WDGE, undefined command
See SW00050 for details.
SB000411
Reserved by the system. –
SB000412
Reserved by the system. –
SB000413
Exception Error –
SB000414
to
SB000417
Reserved by the system. –
SB000418
User operation error 1: User operation error
SB000419
I/O Error 1: I/O error
SB00041A
to
SB00041F
Reserved by the system. –
H Scan Over
Counter
SW00044 –
––
L Scan Over
Counter
SW00046 –
––
Reserved by
the system.
SW00047 –
Reserved by the system. –
Hardware
Configuration
Status
SW00048
SB000480
TEST
DIP switch alarms
0: ON, 1: OFF
SB000481
MON
SB000482
CNFG
SB000483
INIT
SB000484
SUP
SB000485
STOP
SB000486
–
SB000487
Battery Alarm –
SB000488
to
SB00048F
Reserved by the system. –
Reserved by
the system.
SW00049
SW000490
to
SW00049F
Reserved by the
system. –
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