Rockwell Automation 1747-ACNR15 ControlNet Adapter Module User Manual - Manual (Page 95)

Publication 1747-UM003A-EN-P
Understanding Your SLC 500/1746 Control System B-3
Example for Selecting a 1746 Power Supply
Select a power supply for chassis 1 and chassis 2 for the control system below.
(The worksheets for this example start on Page B-4.)
Chassis 1 Contains:
Chassis 2 Contains:
? ?
PC
1747-AIC
DH-485 Network
Chassis 1 Chassis 2
Slot Slot 0 1 2 3 0 1 2 3 4 5 6
Table B.1 Chassis 1
Slot
Number Description Catalog Number Power
Supply at 5V
dc (Amps) Power Supply at
24V dc (Amps)
0 Processor Unit 1747-L524 0.35 0.105
1 ControlNet Scanner 1747-SCNR 0.90 Not Applicable
2 Transistor Output
Module 1746-OB8 0.135 Not Applicable
3 Triac Output Module 1746-OA16 0.37 Not Applicable
Peripheral
device Isolated Link Coupler 1747-AIC Not
Applicable 0.085
Total Current: 1.755
0.190
(1)
(1) Power Supply 1746-P1 is sufficient for Chassis #1. The “Internal Current Capacity” for this power supply is 2 Amps at 5V
dc, 0.46 Amps at 24V dc.
Table B.2 Chassis 2
Slot
Number Description Catalog Number Power
Supply at 5V
dc (Amps) Power Supply at
24V dc (Amps)
0 ControlNet Adapter 1747-ACNR15 0.900 Not Applicable
1 Input Module 1746-IA16 0.085 Not Applicable
2 Input Module 1746-IA16 0.085 Not Applicable
3 Relay Output Modules 1746-OB32 0.452 Not Applicable
4 Relay Output Modules 1746-OB32 0.452 Not Applicable
5 Relay Output Modules 1746-OB32 0.452 Not Applicable
6 Combination Module 1746-IO12 0.09 0.07
Total Current: 2.616
0.07
(1)
(1) Power Supply 1746-P2 is sufficient for Chassis #2. The “Internal Current Capacity” for this power supply is 5 Amps at 5V dc,
0.96 Amps at 24V dc.