User manual

Troubleshooting
Extended Local I/O 5-35
Troubleshooting
Extended Local I/O 5-35
Error Messages
The following is a list of ControlNet error codes, messages, possible causes, and possible corrective actions:
1794 Discrete Clear 0 If bit x is clear, then the module in slot x is OK.
If bit
x is set, then the module in slot x is missing, bad, or is the wrong type.
1794 Analog Read Clear 0 If bit
x is clear, then the module in slot x is OK.
If bit
x is set, then the module in slot x is missing, bad, or is the wrong type.
1794 Analog Write Clear 0 0
1794 Analog Read/Write Clear 0 If bit
x is clear, then the module in slot x is OK.
If bit
x is set, then the module in slot x is missing, bad, or is the wrong type.
Decimal Code Hex. Code Error Message Explanation/Possible Cause(s) Possible Corrective Action(s)
VARIOUS VARIOUS CONFIGURATION DATA CORRUPTED The ControlNet configuration is corrupted. Reenter the map entry that is failing.
Reenter the ladder instruction that is failing.
1 0x0001 CONNECTION FAILED The ControlNet cable from the originating node to
the target node is broken or disconnected.
Fix and/or reconnect the ControlNet cable.
The target node is not powered. Supply power to the target node.
The target’s node number is greater than SMAX. Reconfigure the ControlNet network so that the
target’s node number is less than or equal to
SMAX.
5 0x0005 UNKNOWN DESTINATION ADDRESS The slot addressed does not exist. Use a rack with more slots.
Correct the I/O map table.
ControlNet I/O
Connection Type
Bit 9 of First Word
of I/O Status File Entry
(Connection Error)
Second Word
of I/O Status File Entry
Third Word
of I/O Status File Entry
ControlNet Errors