Technical data

Rockwell Automation Publication 1769-TD005I-EN-P - August 2014 27
CompactLogix Controllers Specifications
I/O Module Support - CompactLogix 5370 L3 Controllers
The CompactLogix 5370 L3 controllers offer local expansion modules that are installed across up to three banks of
modules. You must use 1769 Compact I/O modules with these controllers.
Remember the following when using I/O modules with the CompactLogix 5370 L3 controllers:
• The controller must be the leftmost module in the local bank of the system.
• The number of I/O modules that are supported in a controller system varies by controller catalog number.
• You can install I/O modules in as many as three banks, that is, the local bank and two additional banks.
• You can install as many as three I/O modules between the controller and power supply.
• You can install as many as eight I/O modules to the right of the power supply in the local bank or on both the left
and right sides of the power supply in additional banks.
• You must consider the controller’s and all I/O modules’ distance rating and current draw when designing you system.
• Systems with multiple banks can be installed vertically or horizontally.
• You must use expansion cables to connect banks in multi-bank systems.
• You must terminate the end of the last bank in a system.
Cat. No. Local 1769 Compact I/O Modules Supported, max
1769- L30ER
1769-L30ERM
1769-L30ER-NSE
8
1769-L33ER
1769-L33ERM
16
1769-L36ERM 30
Horizontal Orientation
Vertical Orientation
Local Bank Additional Bank
Additional Bank
Additional Bank
Local Bank
1769-CRL1 Compact I/O Communication
Bus Expansion Cables
1769-CRR1 Compact I/O Communication
Bus Expansion Cables
End Cap
End Cap