32 Rockwell Automation Publication 1769-UM021I-EN-P - May 2018
Chapter 2 Install the CompactLogix 5370 L1 Controller
Install the System
Complete the following steps to install the CompactLogix 5370 L1
control system.
• Mount the System
• Ground the System
• Install the Controller
• Connect Power to the Controller (Series B) L16 ER, L18ER, L18ERM
series B controllers, and series A L19ER
Mount the System
You mount a CompactLogix 5370 L1 control system on a DIN rail. Before you
complete the steps that are required to install the system, install a DIN rail.
Before you mount a CompactLogix 5370 L1 control system, consider
the following requirements:
• Available DIN Rails
• Minimum Spacing
• System Dimensions
Available DIN Rails
WARNING: When used in a Class I, Division 2, hazardous location, this
equipment must be mounted in a suitable enclosure with proper wiring
method that complies with the governing electrical codes.
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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