
7
Description
The I/O pack has gone to the Offline state
Possible Cause
During commissioning or maintenance:
•
Ethernet cable disconnected or connected to wrong port
During normal operation:
•
Controller is offline or restarted.
•
Faulty Ethernet switch/cable
Solution
During commissioning or maintenance:
•
Check the Ethernet cable.
During normal operation:
•
Verify that the controller is not offline.
•
Replace the Ethernet switch/cable.
16
Description
System limit checking is disabled
Possible Cause
System checking disabled by configuration
Solution
System checking was disabled by the configuration.
Common I/O Module Functionality
GEH-6855_Vol_II System Guide 445
Public Information