Rockwell Automation Publication 1769-UM021G-EN-P - October 2015 71
Install the CompactLogix 5370 L3 Controller Chapter 3
Mount the Controller on the DIN Rail
You can mount the controller on the following DIN rails:
• EN 50 022 - 35 x 7.5 mm (1.38 x 0.30 in.)
• EN 50 022 - 35 x 15 mm (1.38 x 0.59 in.)
1. Before mounting the controller on a DIN rail, close the DIN rail latches of
the controller.
2. Press the DIN rail mounting area of the controller against the DIN rail.
The latches momentarily open and lock into place.
Connect Power to the Control System
Connect power to the CompactLogix 5370 L3 control system that is based on
the 1769 Compact I/O power supply your application uses. For more
information on connecting power to your CompactLogix 5370 L3 control
system, see the Compact I/O Expansion Power Supplies Installation Instructions,
publication 1769-IN028
.
ATTENTION: This product is grounded through the DIN rail to chassis ground.
Use zinc-plated yellow-chromate steel DIN rail to assure proper grounding.
The use of other DIN rail materials (for example, aluminum or plastic) that
can corrode, oxidize, or are poor conductors, can result in improper or
intermittent grounding. Secure DIN rail to mounting surface approximately
every 200 mm (7.8 in.) and use end-anchors appropriately.
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