User manual

Choosing Hardware
Chapter 2
2-12
Powering a Remote I/O Chassis Containing a 1771AS or 1771ASB or
an ExtendedLocal I/O Chassis Containing a 1771ALX
Table 2.L lists the power supply modules that you can use with a remote
I/O chassis or an extended-local I/O chassis.
Table 2.L
Powering
a Remote I/O Chassis (Containing a 1771AS or ASB)
or an ExtendedLocal I/O Chassis (Containing a 1771ALX)
Power Input Output Current
Output Current (in Amps) When Parallel with:
Power Supply
Power
Supply
Input
Power
Output
Current
(in Amps)
P3 P4 P4S P4S1 P5 P6S P6S1
Power
Supply
Location
1771P3 120V ac 3 6 11 11 chassis, 1slot
1771P4 120V ac 8 11 16 16 chassis, 2slot
1771P4S 120V ac 8 11 16 16
chassis, 1slot
1771P4S1 100V ac 8 16
1771P4R 120V ac 8/16/24
1
1771P5 24V dc 8 16 chassis, 2slot
1771P6S 220V ac 8 16
chassis, 1slot
1771P6S1 200V ac 8 16
1771P6R 220V ac 8/16/24
1
1771P1 120/220V ac 6.5
external
2
1771P2 120/220V ac 6.5
1771P7 120/220V ac 16
1771PS7 120/220V ac 16
1777P2 120/220V ac 9
1777P4 24V dc 9
1
See publication 17712.136 for more information.
2
Y ou cannot use an external power supply and a slotbased power supply module to power the same chassis;
they are not compatible.