Rockwell Automation 1785-LTx,D17856.2.1 Classic PLC-5 Programmable Controllers Users Manual - Manual (Page 30)

Choosing Hardware
Chapter 2
2-11
Table 2.K
Powering a Chassis Containing a Classic PLCĆ5 processor
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
1771ĆP7 120/220V ac 16 external 2
1771ĆPS7 120/220V ac 16
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.