Allen-Bradley MicroLogix 1200 User Manual page 134

F-4 System Loading and Heat Dissipation
Table F.6 Calculating the Current for Expansion I/O
(1)
Catalog Number
1762-IA8
1762-IQ8
1762-IQ16
1762-OA8
1762-OB8
1762-OB16
1762-OW8
1762-OW16
1762-IF2OF2
1762-IF4
Total Modules (6 maximum):
(1) Refer to your expansion I/O Installation Instructions for Current Requirements not listed in this table.
Table F.7 Validating Systems using 1762-L24AWA or 1762-L24BXB
Maximum Allowable Values
Current:
400 mA at 5V dc 350 mA at 24V dc
System Loading:
10.4 Watts
Publication 1762-UM001B-EN-P
n A
Number of Device Current Requirements
Modules
at 5V dc (mA)
50
50
60
115
115
175
80
120
40
40
Subtotal 2:
Calculated Values
Current (Subtotal 1 from Table F.5 + Subtotal 2 from Table F.6.):
System Loading:
= (________ mA x 5V) + (________ mA x 24V)
= __________ mW + __________ mW
= __________ mW
= __________ W
B n x A
Calculated Current
at 24V dc (mA) at 5V dc (mA)
0
0
0
0
0
0
90
140
105
50
mA at 5V dc
n x B
at 24V dc (mA)
mA at 24V dc