CHAPTER B: IEC 61850 IMPLEMENTATION DETAILS
MICS
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE
B-13
2.2.8 PFRC (Rate of change of frequency)
PFRC: Rate of change of frequency
2.2.9 PTRC (Protection trip conditioning)
PTRC: Protection trip conditioning
2.2.10 PTTR (Thermal overload)
PTTR: Thermal O/L (850)
MotThmPTTR: Thermal mode node (869)
PFRC class
Attribute Name
Attr. Type Explanation
M/O
Notes
PFRC
Rate of change of
frequency
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
PTRC class
Attribute Name
Attr. Type Explanation
M/O
Notes
PFRC
Trip bus
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
PTTR class
Attribute Name
Attr. Type Explanation
M/O
Notes
PTTR/
MotThmPTTR
Thermal Overload
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