CHAPTER B: IEC 61850 IMPLEMENTATION DETAILS MICS
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE B-9
NgSeqPTOC: Negative Sequence TOC (845/850)
2.2.3 PTUC (UnderCurrent)
PTUC: Undercurrent (869)
2.2.4 PTOF (OverFrequency)
PTOF: Overfrequency
Status Information
Str ACD_1 Start O PKP
Op ACT_1 Operate M OP
PTOC class
Attribute Name Attr. Type Explanation M/O Notes
NgSeqPTOC Time overcurrent
Data
Common Logical Node Information
Mod ENC_0 Mode M
Beh ENS_0 Behavior M
Health ENS_1 Health M
NamPlt LPL_1 Name plate M
Status Information
Str ACD_2 Start O
Op ACT_2 Operate M
PTUC class
Attribute Name Attr. Type Explanation M/O Notes
PTUC Undercurrent
Data
Common Logical Node Information
Mod ENC_0 Mode M
Beh ENS_0 Behavior M
Health ENS_1 Health M
NamPlt LPL_1 Name plate M
Status Information
Str ACD_2 Start M
Op ACT_2 Operate M
PTOF class
Attribute Name Attr. Type Explanation M/O Notes
PTOF OverFrequency
Data
Common Logical Node Information
Mod ENC_0 Mode M
Beh ENS_0 Behavior M
Health ENS_1 Health M
NamPlt LPL_1 Name plate M