296 Rockwell Automation Publication 1766-UM001O-EN-P - September 2021
Appendix H System Loading and Heat Dissipation
Calculating Heat Dissipation Use the following table when you need to determine the heat dissipation of
your system for installation in an enclosure. For System Loading, take the
value from the appropriate system loading worksheets on pages 294
or 295.
.
Table 52 - Heat Dissipation
Catalog Number
Heat Dissipation
Equation or Constant Calculation Sub-Total
1766-L32AWA 15.2 W + (0.4 x System Loading) 15.2 W + (0.4 x ______ W) W
1766-L32BWA 15.7 W + (0.4 x System Loading) 15.7 W + (0.4 x ______ W) W
1766-L32BXB 17.0 W + (0.3 x System Loading) 17.0 W + (0.3 x ______ W) W
1762-IA8 2.0 W x number of modules 2.0 W x _________ W
1762-IF4 2.0 W x number of modules 2.0 W x _________ W
1762-IF2OF2 2.6 W x number of modules 2.6 W x _________ W
1762-IQ8 3.7 W x number of modules 3.7 W x _________ W
1762-IQ16
5.4 W
(1)
x number of modules 5.4 W
(1)
x _________
W
1762-IQ32T
6.8 W x number of modules (@ 30.0V DC)
5.4 W x number of modules (@ 26.4V DC)
6.8 W x _________ (@ 30.0V DC)
5.4 W x _________ (@ 26.4V DC)
W
W
1762-IR4 1.5 W x number of modules 1.5 W x _________ W
1762-IT4 1.5 W x number of modules 1.5 W x _________ W
1762-OA8 2.9 W x number of modules 2.9 W x _________ W
1762-OB8 1.6 W x number of modules 1.6 W x _________ W
1762-OB16 2.9 W x number of modules 2.9 W x _________ W
1762-OB32T 3.4 W x number of modules 3.4 W x _________ W
1762-OF4 3.8 W x number of modules 3.8 W x _________ W
1762-OV32T 2.7 W x number of modules 2.7 W x _________ W
1762-OW8 2.9 W x number of modules 2.9 W x _________ W
1762-OW16
6.1 W
(1)
x number of modules 6.1 W
(1)
x _________
W
1762-OX6I 2.8 W x number of modules 2.8 W x _________ W
1762-IQ8OW6 4.4 W x number of modules 4.4 W x _________ W
Add Sub-Totals to determine Heat Dissipation W
(1) Only applicable for Series B and Series C I/O modules.
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