Rockwell Automation 1785-LTx,D17856.2.1 Classic PLC-5 Programmable Controllers Users Manual User Manual
Page 31

Choosing Hardware
Chapter 2
2-12
Powering a Remote I/O Chassis Containing a 1771ĆAS or 1771ĆASB or
an ExtendedĆLocal I/O Chassis Containing a 1771ĆALX
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 1771ĆAS or ĆASB)
or an ExtendedĆLocal I/O Chassis (Containing a 1771ĆALX)
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
1771ĆP3
120V ac
3
6
11
11
chassis, 1Ćslot
1771ĆP4
120V ac
8
11
16
16
chassis, 2Ćslot
1771ĆP4S
120V ac
8
11
16
16
chassis, 1Ćslot
1771ĆP4S1 100V ac
8
16
1771ĆP4R
120V ac
8/16/24
1
1771ĆP5
24V dc
8
16
chassis, 2Ćslot
1771ĆP6S
220V ac
8
16
chassis, 1Ćslot
1771ĆP6S1 200V ac
8
16
1771ĆP6R
220V ac
8/16/24
1
1771ĆP1
120/220V ac
6.5
external
2
1771ĆP2
120/220V ac
6.5
1771ĆP7
120/220V ac
16
1771ĆPS7
120/220V ac
16
1777ĆP2
120/220V ac
9
1777ĆP4
24V dc
9
1
See publication 1771Ć2.136 for more information.
2
You cannot use an external power supply and a slotĆbased power supply module to power the same chassis;
they are not compatible.