Rockwell Automation 1747-L40 SLC 500 Fixed Hardware Style User Manual
Page 139
Control System
Appendix D
Calculating Heat Dissipation for the SLC 500
D–2
Use the table below to calculate the power supply loading for each chassis
that you have (step 1 of the worksheet).
Hardware
Component
Catalog
Numbers
Watts per Point
Minimum
Watts
Maximum
Watts
1747-L20A
0.27
10.5
15.0
1747-L30A
0.27
12.7
19.2
1747-L40A
0.27
14.3
23.0
1747-L20B
0.27
9.9
17.0
1747-L30B
0.27
11.6
22.0
1747-L40B
0.27
13.0
27.0
1747-L20C
0.20
17.4
21.0
1747-L30C
0.20
18.7
24.0
1747-L40C
0.20
19.9
27.0
1747-L20D
0.20
12.4
19.0
1747-L30D
0.20
13.9
23.0
Fixed
1747-L20E
0.20
12.6
18.0
Fixed
Controllers
1747-L40E
0.20
16.0
27.0
1747-L20F
0.20
5.0
9.0
1747-L40F
0.20
7.4
15.0
1747-L20G
0.20
4.4
10.0
1747-L20L
0.20
12.1
18.0
1747-L30L
0.20
14.0
23.0
1747-L40L
0.20
16.0
27.0
1747-L20N
0.20
4.4
10.0
1747-L20P
0.35
8.8
17.0
1747-L30P
0.35
10.5
23.0
1747-L40P
0.35
11.6
28.0
1747-L20R
0.35
10.5
16.0
1746-IA4
0.27
0.175
1.30
1746-IA8
0.27
0.250
2.40
1746-IA16
0.27
0.425
4.80
1746-IM4
0.35
0.175
1.60
1746-IM8
0.35
0.250
3.10
1746-IM16
0.35
0.425
6.00
Input
1746-IB8
0.20
0.250
1.90
Input
Modules
1746-IB16
0.20
0.425
3.60
1746-IB32
0.20
0.530
6.90
1746-IV8
0.20
0.250
1.90
1746-IV16
0.20
0.425
3.60
1746-IV32
0.20
0.530
6.90
1746-IG16
0.020
0.700
1.00
1746-IN16
0.35
0.425
6.00
1746-OA8
1.00
0.925
9.00
1746-OA16
0.462
1.85
9.30
Output
1746-OB8
0.775
0.675
6.90
Output
Modules
1746-OB16
0.338
1.40
7.60
1746-OB32
0.078
2.26
4.80
1746-OV8
0.775
0.675
6.90
Use this Table to Calculate the
Power Supply Loading