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