Schweitzer Engineering Laboratories SEL-700G Series, Instruction Manual

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F.15
Date Code 20170814 Instruction Manual SEL-700G Relay
IEC 61850 Communications
Logical Node Extensions
Table F.10 Circuit Breaker Supervision (Per-Phase) Logical Node Class
Definition
Data Object
Name
Common
Data
Class
Explanation T
a
a
Transient data objects–the status of data objects with this designation is momentary and
must be logged or reported to provide evidence of their momentary state.
M/O/C/E
b
b
M: Mandatory, O: Optional, C: Conditional; E: Extension.
SCBR Class
LNName The name shall be composed of the
class name, LN-Prefix, and LN-
Instance-ID according to IEC 61850-7-2.
Common Logical Node Information
LN shall inherit all Mandatory Data
from Common Logical Node Class. M
Data Objects
Status Information
ColOpn SPS Open command of trip coil. M
Measured Values
AbrPrt MV Calculated or measured wear (e.g., of
main contact), expressed in % where
0% corresponds to new condition. E
Table F.11 Compatible Logical Nodes With Extensions
Logical Node
IEC
61850
Description or Comments
Measurement MMXU This LN is used for power system measurement data.
Metering Statistics MSTA This LN is used for power system metering statistics.
Circuit Breaker XCBR This LN is used for circuit breaker status and
measurement data.
Table F.12 Measurement Logical Node Class Definition (Sheet 1 of 2)
Data Object
Name
Common
Data
Class
Explanation T
a
M/O/C/E
b
MMXU Class
LNName The name shall be composed of the
class name, LN-Prefix, and LN-
Instance-ID according to IEC 61850-7-2.
Common Logical Node Information
LN shall inherit all Mandatory Data
from Common Logical Node Class. M
Data Objects
Measured and Metered Values
TotW MV Total active power O
TotVAr MV Total reactive power O
TotVA MV Total apparent power O
TotPF MV Average power factor O
Hz MV Frequency O