ABB RED650 - Page 752

PID-6471-OUTPUTSIGNALS v2
Table 553: LDCMRecBinStat1 Output signals
Name Type Description
COMFAIL BOOLEAN Detected error in the differential communication
ADDRERR BOOLEAN Incoming message from non-valid address
CRCERROR BOOLEAN Identified error by CRC check in incoming
message
REMBLKDF BOOLEAN Remote terminal indicates diff protection is
blocked
NOCARR BOOLEAN No carrier is detected in the incoming message
NOMESS BOOLEAN No start and stop flags identified for the incoming
message
LNGTHERR BOOLEAN Wrong length of the incoming message
YBIT BOOLEAN Detected error in remote end with incoming
message
LOWLEVEL BOOLEAN Low signal level on the receive link
PID-6472-OUTPUTSIGNALS v2
Table 554: LDCMRecBinStat2 Output signals
Name
Type Description
CH1 STRING Remote communication channel 1
CH2 STRING Remote communication channel 2
CH3 STRING Remote communication channel 3
CH4 STRING Remote communication channel 4
COMFAIL BOOLEAN Detected error in the differential communication
COMALM BOOLEAN Delayed alarm signal for communication failure
BLKDIFF BOOLEAN Link error, values are substituted, diff protection is
blocked
ADDRERR BOOLEAN Incoming message from non-valid address
RED_ACT BOOLEAN Redundant channel active
CRCERROR BOOLEAN Identified error by CRC check in incoming
message
TRDELERR BOOLEAN Transmission time is longer than permitted
SYNCERR BOOLEAN Error in echo synchronization
REMBLKDF BOOLEAN Remote terminal indicates diff protection is
blocked
GPSERROR BOOLEAN Problem with GPS synchronization in remote or
local end
NOCARR BOOLEAN No carrier is detected in the incoming message
NOMESS BOOLEAN No start and stop flags identified for the incoming
message
LNGTHERR BOOLEAN Wrong length of the incoming message
YBIT BOOLEAN Detected error in remote end with incoming
message
LOWLEVEL BOOLEAN Low signal level on the receive link
Section 19 1MRK 505 394-UEN A
Remote communication
746 Line differential protection RED650 2.2 IEC
Technical manual