146 Rockwell Automation Publication 1769-UM021G-EN-P - October 2015
Chapter 7 Use I/O Modules with CompactLogix 5370 L1 Controllers
• This section assumes that any DIN rail you use has been grounded
following Industrial Automation Wiring and Grounding Guidelines,
publication 1770-4.1
.
• For example purposes, this section describes how to use a 1606-XLE80E,
Class 2 switched-mode power supply with the FP+ and FP- terminals. The
exact steps for other external power supplies can vary from the steps that
are described here.
Complete these steps to connect power to the CompactLogix 5370 series B
L16ER, L18ER, L18ERM, and series A L19 controllers.
1. Verify that the separate external 24V DC power source that powers the
CompactLogix 5370 L1 controller is not powered.
2. Connect wires to the + and - connections on the external 24V DC power
source.
Do not use the following steps to connect power to the CompactLogix 5370
series A L16ER, L18ER, and L18 ERM controllers controller. See Appendix
C for
steps to connect power to the CompactLogix 5370 series A L16ER, L18ER, and
L18 ERM controllers controller. The steps in Appendix
C provide an optional way
to connect power to a series B L1 controller.
WARNING: If you connect or disconnect wiring while the field-side power is on,
an electrical arc can occur. This could cause an explosion in hazardous location
installations. Be sure that power is removed or the area is nonhazardous before
proceeding.
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