Rockwell Automation Publication 1769-UM021G-EN-P - October 2015 27
Install the CompactLogix 5370 L1 Controller Chapter 1
Power is connected to the controller via a removable connector that is connected
to the front of the controller. The following graphic shows the connector.
Consider these points before completing the steps in this section:
• This section describes how to connect an external 24V DC power source
to the CompactLogix 5370 L1 controller.
For information on how to provide field power to input and output
devices that are connected to the embedded I/O modules of the controller
and local expansion modules via the removable connector, see page 144
.
• Use a power source that most effectively meets your application needs.
That is, calculate The power requirements for your application before
choosing a power source to avoid using a power source that far exceeds
your application requirements.
• This section assumes that any DIN rail you use has been grounded
following Industrial Automation Wiring and Grounding Guidelines,
publication 1770-4.1
.
• The embedded power supply of the CompactLogix 5370 L1 controller
provides power to the controller and POINTBus backplane.
The controller is grounded once it is installed on a DIN rail as described in
Mount the System
on page 21.
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