ABB REF615 Applications Manual page 112

Section 3
REF615 variants
106
GUID-DE498CFB-A256-4275-9A1F-5EF3B09046F4 V1 EN
Figure 60: Circuit breaker control
The binary inputs 5 and 6 of the additional card X110 are used for busbar disconnector
(DCSXSWI1) or circuit-breaker truck position indication.
Table 22: Device positions indicated by binary inputs 5 and 6
Primary device position
Busbar disconnector closed
Busbar disconnector open
CB truck in service position
CB truck in test position
The binary inputs 7 and 8 (X110:11-13) are for the position indication of the line side
earthing switch.
The circuit breaker closing is enabled when the ENA_CLOSE input is activated. The
input can be activated by the configuration logic, which is a combination of the
disconnector or breaker truck and earthing switch position statuses and the statuses
of the master trip logics and gas pressure alarm and circuit-breaker spring charging.
The OKPOS output from the DCSXSWI block defines if the disconnector or breaker
truck is definitely either open/in test position or close/in service position. This,
Input to be energized
Input 5 (X110:8–9)
X
X
1MRS756378 D
Input 6 (X110:10–9)
X
X
REF615
Application Manual