Synchronism and energizing
check for single circuit breaker
with voltage selection
ABB Network Partner AB
1MRK 580 152-XEN
Page 5 - 29
Version 1.0-00
5 Appendix
5.1 Terminal diagrams
Fig. 12 Simplified terminal diagram of the function
5.2 Signal list
SYN1
SYN
BLOCK
FD1OPEN
FD1CLD
CB1OPEN
AUTOOK
MANOK
(X80152-12)
CB1CLD
CB2OPEN
CB2CLD
UB1FF
UB1OK
UB2FF
UB2OK
VTSU
VSUB1
VSUB2
IN: DESCRIPTION:
SYN1-BLOCK Block of synchronism and energizing check
SYN1-CB1OPEN Breaker section 1 open
SYN1-CB1CLD Breaker section 1 closed
SYN1-CB2OPEN Breaker section 2 open
SYN1-CB2CLD Breaker section 2 closed
SYN1-UB1FF External voltage fuse failure, bus 1
SYN1-UB1OK External voltage fuse healthy, bus 1
SYN1-UB2FF External voltage fuse failure, bus 2
SYN1-UB2OK External voltage fuse healthy, bus 2
SYN1-VTSU Block from internal fuse failure supervision or from external fuse
failure of the line voltage.
OUT: DESCRIPTION:
SYN1-AUTOOK Automatic synchronism and energizing check OK
SYN1-MANOK Manual synchronism and energizing check OK
SYN1-VSUB1 Voltage selection from bus 1
SYN1-VSUB2 Voltage selection from bus 2
The version for three bays also includes
inputs and outputs from SYN2 and
SYN3.