POSCLOSE
BLOCK
RST_IPOW
POSOPEN
OPENPOS
CLOSEPOS
OPR_ALM
OPR_LO
IPOW_ALM
IPOW_LO
MON_ALM
PRES_LO
PRES_ALM
SPR_CHR_ALM
PRES_ALM_IN
PRES_LO_IN
SPR_CHR_ST
SPR_CHR
RST_CB_WEAR
Operation
monitoring
CB_LIFE_ALM
Operation
counter
INVALIDPOS
TRV_T_OP_ALM
TRV_T_CL_ALM
Circuit
breaker
status
Breaker
contact
travel time
Accumula-
ted energy
Breaker
life time
Spring
charge
indication
Gas
pressure
supervisio
n
RST_TRV_T
I3P
I_A
I_B
OPEN_CB_EXE
CLOSE_CB_EXE
I_C
RST_SPR_T
Figure 771: Functional module diagram
7.1.5.1 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 breaker status monitoring can be described by using a module diagram. All the
modules in the diagram are explained in the next sections.
1MRS759142 F
Condition monitoring functions
REX640
Technical Manual
1361
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