Rockwell Automation 1766-L32BWAA

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)
nA Bn x An 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
(2)
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