Allen-Bradley ControlLogix 1756-DMD30, User Manual, Page: 355 / 369

Publication 1756-UM522B-EN-P - February 2003
1756-DMF30 Specific Information C-103
Parameter 1229 [SL Error Status]
This parameter indicates the occurance of SynchLink errors.
Bit Fault Name Fault Description
0 Sync Loss SynchLink communication has failed, after it had
been established.
1 Rx Loss The receive port is not receiving data, and the receive
port configuration is set to receive data.
2 Many BOF Err The number of BOF (Beginning Of Frame) errors
accumulated in parameter 1232 [SL BOF Err Accum]
exceeds the value in parameter 1235 [SL BOF Err
Limit].
3 Many CRC Err The number of CRC (Cycling Ring Checksum) errors
accumulated in parameter 1230 [SL CRC Err Accum]
exceeds the value in parameter 1234 [SL CRC Err
Limit].
4 Pckg Msg Err The received package sequence number has not
matched for 1.0 S.
5 CommForm Err The format of received data does not match the
configuration of the receive port.
6 Sys Rev Err The system revision in received data does not match
the value of parameter 1001 [SynchLink Rev].
7 Mult TKeeper More than one node on the SynchLink system is
configured as a Time Keeper.