
B-12
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE
MICS
CHAPTER B: IEC 61850 IMPLEMENTATION DETAILS
2.2.7 PTUF (Underfrequency)
PTUF: Underfrequency
FastPTUF: Fast Underfrequency
HzBndPTUF: Frequency out of band accumulation (889)
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
Crv
SPS_2
Curve
O
Cnt
SPS_2
Counter
O
PTUF class
Attribute Name
Attr. Type Explanation
M/O
Notes
PTUF
UnderFrequency
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
PTUF PKP
Op
ACT_2
Operate
M
PTUF OP
PTUF class
Attribute Name
Attr. Type Explanation
M/O
Notes
HzBndPTUF
UnderFrequency
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
ACD_2
Operate
M
Measured and metered values
HzObAccum
MV_3
Frequency OOB Accum
O