ABB REC 561 - Appendix; Terminal Diagrams

Fuse-failure supervision function
ABB Network Partner AB
1MRK 580 169-XEN
Page 5 - 55
Version 1.0-00
4 Appendix
4.1 Terminal diagrams
Fig. 2 Simplified terminal diagram of the function
Fig. 3 Terminal diagram of the function
FUSE
FUSE
MCB
DISC
VTF3PH
VTSU
VTSZ
(X80169-2)
(X80169-3)
FUSE-MCB
Operation=
1
V
UCHL1
t
5s
FUSE-VTS3PH
20ms
1
V
1
V
&
t
200ms
t
50ms
t
25ms
UICH
Zeroseg
VTF0
&
Operation=
Negativeseg
VTF2
&
UCHL2
UCHL3
&
VTF3PH-memory
&
t
25ms
1
V
t
50ms
t
50ms
&
1
V
1
V
FUSE-VTSU
FUSE-VTSZ
FUSE-DISC