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Rockwell Automation Publication 1769-UM021G-EN-P - October 2015
Chapter 9
Use I/O Modules with CompactLogix 5370 L3 Controllers
Physical Placement of I/O Modules
Depending on the controller catalog number, CompactLogix 5370 L3
controllers support between 8 and 30 I/O modules. For more information on
catalog numbers, see
Local Expansion Modules on page 238
Consider these factors when determining the physical placement of the
I/O modules:
•
You can install I/O modules in local and extra banks.
•
You can install I/O modules to the left and right of the power supply.
•
When a system requires multiple banks, you can install the additional
banks horizontally or vertically, as shown in this graphic.
•
Each I/O module also has a power supply distance rating and maximum
current draw. Considered jointly, distance ratings and current draw
determine where I/O modules can be placed in a bank and what
configuration of modules can be installed in the bank.
For more information on power supply distance ratings, see
. For more information on system power
consumption, see
Calculate System Power Consumption on page 245
Horizontal Orientation
Vertical Orientation
Local Bank
Extra Bank
Extra Bank
Extra Bank
Local Bank
1769-CRL1 Compact I/O Communication
Bus Expansion Cables
1769-CRR1 Compact I/O Communication
Bus Expansion Cables
