A1 FUNCTION GROUPS
CBF_1 Circuit breaker failure protection
CBF_2 Circuit breaker failure protection
COMM1 “Logical” communication interface 1
COMM2 “Logical” communication interface 2
CTS Current transformer supervision
DIFF Differential protection
DTOC1 Definite-time overcurrent protection
DTOC2 Definite-time overcurrent protection
DVICE Device
F_KEY Configurable function keys
FT_DA Fault data acquisition
FT_RC Fault recording
GOOSE Generic Object Orientated Substation Events
GSSE IEC Generic Substation Status Events
IDMT1 Inverse-time overcurrent protection
IDMT2 Inverse-time overcurrent protection
IEC IEC 61850 Communication
INP Binary input
IRIGB IRIG‑B interface
LED LED indicators
LIM_1 Limit value monitoring
LIM_2 Limit value monitoring
LIMIT Limit value monitoring
LOC Local control panel
LOG_2 Programmable Logic
LOGIC Programmable Logic
MAIN Main function
MCM_1 Measuring-circuit monitoring
MCM_2 Measuring-circuit monitoring
MEASI Measured data input
P631
P631/EN M/R-11-C // P631-310-650 A1-1