Redundant Power Supply Connection - ABB Advant Controller 80 User Manual

Redundant Power Supply
Connection
AC 80 User's Manual
DC
DC
+24 V /A
+24 V /B
0 V
L+ L+ SA
X1B
X1A
L–
Power Supply
B Monitor
Power Supply
A Monitor
X1B
From
+24 V
Power Supply
0 V
Figure 2-6 Redundant power supply connection.
Chapter 2 – AC 80 Hardware and Connections
Electrical
PM 820-1
ModuleBus
X9
X1B X1A
3
SA
2
L–
L+
1
DIN Rail
Supervision
POWER VOTER UNIT
1 AF100 2
+ +
– –
SH SH
SH SH
L– SB
3
2
1
+24 V
3
2
1
X1A
Forwarded Power
3
SB
2
1
Tx
Rx
Forwarded Power
0 V
2-9