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Rockwell Automation Publication 1766-UM001O-EN-P - September 2021
295
Appendix H System Loading and Heat Dissipation
Current Loading
Table 49 - 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
Calculated Current
@ 5V DC (mA)
@ 24V DC (mA)
@ 5V DC (mA)
@ 24V DC (mA)
1762-IA8
50
0
1762-IF4
40
50
1762-IF2OF2
40
105
1762-IQ8
50
0
1762-IQ16
70
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
80
90
1762-OW16
140
(2)
180
1762-OX6I
110
110
1762-IQ8OW6
110
80
Total Modules (7 maximum):
Subtotal:
(1) See your expansion I/O Installation Instructions for Current Requirements not listed in this table.
(2) Only applicable for Series B and Series C I/O modules.
Table 50 - Validating Systems using 1766-L32AWA or 1766-L32BXB
Maximum Allowable Values
Calculated Values
Current:
Current (Subtotal from Table 49.):
1225 mA at 5V DC
1155 mA at 24V DC
mA @ 5V DC
mA @ 24V DC
System Loading:
System Loading:
33.845 W
= (________ mA x 5V) + (________ mA x 24V)
= __________ mW + __________ mW
= __________ mW
= __________ W
Table 51 - Validating Systems using 1766-L32BWA
Maximum Allowable Values
Calculated Values
Current for Devices Connected to the +24V DC Sensor Supply:
Sum of all sensor currents
250 mA @ 24V DC
mA @ 24V DC
Current for MicroLogix Accessories and Expansion I/O:
Current (Subtotal from Table 49.)
1225 mA @ 5V DC
1155 mA @ 24V DC
mA @ 5 V DC
mA @ 24V DC
System Loading:
System Loading:
39.845 W
= (________ mA x 24V) + (________ mA x 5V) + (________ mA x 24V)
= __________ mW + __________ mW + __________ mW
= __________ mW
= __________ W
Summary of Contents for 1766-L32AWA
Page 10: ...10 Rockwell Automation Publication 1766 UM001O EN P September 2021 Table of Contents Notes ...
Page 302: ...302 Rockwell Automation Publication 1766 UM001O EN P September 2021 Glossary Notes ...
Page 308: ...308 Rockwell Automation Publication 1766 UM001O EN P September 2021 Index Notes ...