Allen-Bradley MicroLogix 1400 - Appendix H System Loading Example Calculations

368 Rockwell Automation Publication 1766-UM001I-EN-P - June 2015
Appendix H System Loading and Heat Dissipation
System Loading Example Calculations
Current Loading
Calculating the Current for Expansion I/O
Catalog Number
(1)
n A B n x A n x B
Number of
Modules
Device Current Requirements (max) Calculated Current
at 5V DC (mA) at 24V DC (mA) at 5V DC (mA) at 24V DC (mA)
1762-IA8 2 50 0 100 0
1762-IF4 40 50
1762-IF2OF2 40 105
1762-IQ8 50 0
1762-IQ16 70
(2)
0
1762-IQ32T 170 0
1762-IR4 40 50
1762-IT4 40 50
1762-OA8 115 0
1762-OB8 115 0
1762-OB16 175 0
1762-OB32T 175 0
1762-OF4 40 165
1762-OV32T 175 0
1762-OW8 2 80 90 160 180
1762-OW16 140
(2)
180
(2)
1762-OX6I 110 110
1762-IQ8OW6 110 80
Total Modules (7 maximum): 4 Subtotal: 260 180
(1) Refer to your expansion I/O Installation Instructions for Current Requirements not listed in this table.
(2) Only applicable to Series B I/O modules.