Dc Bus Monitoring Assembly - ABB Symphony Harmony Series Instructions Manual

Description
connectors on the DC power bus bar. It monitors each of these
voltages and generates a PFI on failure of any of them. Moni-
toring of +15 VDC and -15 VDC may be disabled by a jumper.
Figure
P OW E R
C H A S S IS
2 5.5 V
2 5.5 V R E T
5 V R E T
5 V
+5 V D C
+15 V D C
–1 5 V D C
M C O M (+5 V D C RT N )
P F I
Figure 2-7. DC Bus Monitoring Assembly
2 - 8
2-7 shows a view of the DC bus monitoring assembly.
J1
R E D
R E A R V IE W
O R N
B L K
W H T
Y E L
D C B U S M O N ITO R IN G
A S S E M B LY
J 2
T 0 44 61 B
WBPEEUI210509A1