Circuit Breaker Status - ABB RELION REX640 Technical Manual

1MRS759142 C
7.1.5.1
REX640
Technical Manual
POSCLOSE
POSOPEN
I3P
BLOCK
RST_TRV_T
OPEN_CB_EXE
CLOSE_CB_EXE
RST_IPOW
RST_CB_WEAR
RST_SPR_T
SPR_CHR_ST
SPR_CHR
PRES_ALM_IN
PRES_LO_IN
GUID-3435DD0D-60B2-4D1F-9B14-28B0DF8DC33B V1 EN
Figure 682: Functional module diagram

Circuit breaker status

The Circuit breaker status sub-function monitors the position of the circuit breaker,
that is, whether the breaker is in open, closed or invalid position. The operation of the
Condition monitoring functions
Circuit
I_A
breaker
I_B status
I_C
Operation
monitoring
Breaker
contact
travel time
Operation
counter
Accumula-
ted energy
Breaker
life time
Spring
charge
indication
pressure
supervisio
Section 7
OPENPOS
CLOSEPOS
INVALIDPOS
MON_ALM
TRV_T_OP_ALM
TRV_T_CL_ALM
OPR_ALM
OPR_LO
IPOW_ALM
IPOW_LO
CB_LIFE_ALM
SPR_CHR_ALM
Gas
PRES_ALM
PRES_LO
n
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