Rockwell Automation 1762-Lxxxx MicroLogix 1200 Programmable Controllers User 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
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
180
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.