Rockwell Automation 1756-DMF30 ControlLogix Drive Module - Manual (Page 209)

Publication 1756-UM522B-EN-P - February 2003
1756-DMD30 Specific Information B-129
1228 SL Error History
Displays SynchLink faults which have occurred since the last
fault clear or power cycle.
• Bit 0 [Sync Loss] indicates SynchLink communication
has failed, after it had been established
• Bit 1 [Rx Loss] indicates the receive port is not
receiving data, and the receive port configuration is set
toeceive data
• Bit 2 [Many BOF Err] indicates the number of Beginning
Of Frame (BOF) errors exceeds limit set by parameter
1235 [SL BOF Err Limit]
• Bit 3 [Many CRC Err] indicatesindicates the number of
Cyclic Redundancy Check (CRC) errors exceeds limit set
by parameter 1234 [SL CRC Err Limit]
• Bit 4 [Pckg Msg Err] indicates the received package
sequence number has not matched for 1.0S
• Bit 5 [CommForm Err] indicates the format of received
data does not match the configuration of the receive
port
• Bit 6 [Sys Rev Err] indicates the system revision in the
received data does not match the value of parameter
1001 [SynchLink Rev]
• Bit 7 [Mult TKeeper] indicates more than one node on
the SynchLink system is configured as a time keeper
Default: 0000 0000 0000 0000 0000 0000 0000 0000
Options: Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10
Bit 11
Bit 12
Bit 13
Bit 14
Bit 15
Bit 16
Bit 17
Bit 18
Bit 19
Bit 20
Bit 21
Bit 22
Bit 23
Bit 24
Bit 25
Bit 26
Bit 27
Bit 28
Bit 29
Bit 30
Bit 31 Sync Loss
Rx Loss
Many BOF Err
Many CRC Err
Pckg Msg Err
CommForm Err
Sys Rev Err
Mult TKeeper
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
File:
Group: Utility
Diagnostics
No. Name
Description Values