Schweitzer Engineering Laboratories SEL-700G Series, Instruction Manual

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F.17
Date Code 20170814 Instruction Manual SEL-700G Relay
IEC 61850 Communications
Logical Node Extensions
Table F.14 Metering Statistics 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.
MSTA 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
MaxAmps MV Maximum current O
MinAmps MV Minimum current O
MaxVA MV Maximum apparent power O
MinVA MV Minimum apparent power O
MaxW MV Maximum real power O
MinW MV Minimum real power O
MaxVAr MV Maximum reactive power O
MinVAr MV Minimum reactive power O
MaxA WYE Maximum phase currents E
MinA WYE Minimum phase currents E
MaxPhV WYE Maximum phase-to-ground voltages E
MinPhV WYE Minimum phase-to-ground voltages E
MaxP2PV DEL Maximum phase-to-phase voltages E
MinP2PV DEL Minimum phase-to-phase voltages E
Table F.15 Circuit Breaker Logical Node Class Definition (Sheet 1 of 2)
Data Object
Name
Common
Data
Class
Explanation T
a
M/O/C/E
b
XCBR 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
Loc SPS Local control behavior M
OpCnt INS Operation counter M
OpCntEx INS Operation counter–external E