Rockwell Automation 1762-Lxxxx MicroLogix 1200 Programmable Controllers - Manual (Page 148)

Publication 1762-UM001G-EN-P - March 2011
F-6 System Loading and Heat Dissipation
System Current Loading Example Calculations (40-point
Controller)
Table F.9 Calculating the Current for MicroLogix Accessories
Catalog Number Device Current Requirements Calculated Current
at 5V dc (mA) at 24V dc (mA) at 5V dc
(mA) at 24V dc
(mA)
1761-NET-AIC
(1)
when powered by the base unit
communications port, selector switch in the up position
0 120 0 120
Subtotal 1: 0 120
(1) This is an optional accessory. Current is consumed only if the accessory is installed.
Table F.10 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 50 0
1762-IF4 40 50
1762-IF2OF2 1 40 105 40 105
1762-IQ8 50 0
1762-IQ16 2
70
(2) 0
140
(2) 0
1762-IQ32T 170 0
1762-IR4 40 50
1762-IT4 40 50
1762-OA8 1 115 0 115 0
1762-OB8 115 0
1762-OB16 175 0
1762-OB32T 175 0
1762-OF4 40 165
1762-OV32T 175 0
1762-OW8 80 90
1762-OW16 1
140
(2)
180
(2)
140
(2)
180
(2)
1762-OX6I 110 110
1762-IQ8OW6 110 80
Total Modules (6 maximum): 6 Subtotal 2: 435 285
(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.