The default view is the PLC Status, which displays the PLC System Status References (%S, %SA, and %SB registers). The System Status References used and their definitions are as follows.
|
System Status Reference |
Address |
|
PLC Fault Table is Full |
%S0009 |
|
I/O Fault Table is Full |
%S0010 |
|
Bad Battery Detected |
%S0014 |
|
Invalid Application Program Checksum |
%SA0001 |
|
Application Program Fault |
%SA0003 |
|
System Configuration Mismatch |
%SA0009 |
|
CPU Hardware Fault |
%SA0010 |
|
Low Battery Fault |
%SA0011 |
|
I/O Module Communication Fault |
%SA0014 |
|
Option Module Hardware Failure |
%SA0027 |
|
Option Module Software Fault |
%SA0031 |
|
Corrupted RAM Memory Detected |
%SB0010 |
|
Unrecoverable Software Error |
%SB0013 |
|
I/O Fault Entry Present |
%SC0013 |
|
Password Access Violation |
%SB0011 |
|
Option Module Communications Fault |
%SA0015 |
|
I/O Module Added to Rack |
%SA0019 |
|
Option Module Added to Rack |
%SA0020 |
The user can select the PLC Fault Table view to display the actual fault information. The number of faults can vary from zero to sixteen. For each fault in the PLC fault table a button will appear on the screen.
|
|
Series 90 PLC fault table. |
