Allen-Bradley SLC 500

F–3Calculating Heat Dissipation for the SLC 500 Control System
Publication 1747-6.2
Hardware Component Catalog Numbers Watts per Point Minimum Watts Total Watts
1746-OA8 1.000 0.925 9.00
1746-OA16 0.462 1.850 9.30
1746sc-OAP8I
➀
1.125 0.850 9.85
1746-OAP12 1.000 1.850 10.85
1746-OB8 0.775 0.675 6.90
1746-OB16 0.338 1.40 7.60
1746-OB16E 0.150 0.675 3.07
1746-OB32 0.078 2.26 4.80
D
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s
c
re
t
e
1746-OBP8
0.300 0.675 3.08
D
i
s
c
re
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e
Output
oul
1746-OBP16 0.310 1.250 6.26
ut ut
Modules
1746-OG16
0.033 0.900 1.50
1746-OV8 0.775 0.675 6.90
1746-OV16 0.388 1.400 7.60
1746-OV32 0.078 2.26 4.80
1746-OVP16 0.310 1.250 6.26
1746-OW4 0.133 1.310 1.90
1746-OW8 0.138 2.590 3.70
1746-OW16 0.033 5.170 5.70
1746-OX8 0.825 2.590 8.60
1746-IO4
0.27 per input point
0.133 per output point
0.75 1.60
Discrete Input & Output
Modules
1746-IO8
0.27 per input point
0.133 per output point
1.38 3.00
M
o
d
ul
es
1746-IO12
0.27 per input point
0.133 per output point
2.13 4.60
1746-FIO4I not applicable 3.76 3.8
1746-FIO4V not applicable 3.04 3.1
1746sc-INI4I
➀
0.237 2.30 3.25
1746sc-INI4VI
➀
0.100 2.85 3.25
1746sc-INO4I
➀
0.525 4.50 6.60
Analog Modules
1746sc-INO4VI
➀
0.525 4.50 6.60
A
nalo
g M
o
d
ul
es
1746-NI4
not applicable 2.17 2.2
1746-NI8 not applicable 3.4 3.4
1746-NIO4I not applicable 3.76 3.8
1746-NIO4V not applicable 3.04 3.01
1746-NO4I not applicable 4.96 5.0
1746-NO4V not applicable 3.78 3.8
➀
Sold and supported by Spectrum Controls, Inc., Bellevue, W A. For additional information, contact Spectrum at (206) 746-9481.
AB PLCs