IEC10000239 V1 EN-US
Figure 55: Disconnection of analog signals for binary signal transfer set-up
4.8.3 Binary output signals
GUID-CCD9CE1E-57CA-412D-ADD2-3B19EA52512D v1
PID-6471-OUTPUTSIGNALS v2
Table 6: 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 7: LDCMRecBinStat2 Output signals
Name
Type Description
CH1 STRING Remote communication channel 1
CH2 STRING Remote communication channel 2
CH3 STRING Remote communication channel 3
Table continues on next page
1MRK 505 382-UEN B Section 4
Analog and binary signal transfer for line differential protection
Communication set-up 670/650 series 2.2 59
Application Guide
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