Grounding the smartguard 600 controller – Rockwell Automation 1752-L24BBBE SmartGuard 600 Controllers Installation User Manual

Page 10

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10 SmartGuard 600 Controllers

Publication 1752-IN001C-EN-P - January 2009

Mount the controller only to a DIN rail. Follow these steps to mount the controller
to an EN 50022-35x7.5 or EN 50022-35x15 DIN rail.

1. Hook the top slot over the DIN rail.

2. Snap the bottom of the controller into position while pressing the controller

down against the top of the rail.

3. Attach end plates to each end of the DIN rail.

To remove the controller from the DIN rail, use a screwdriver to pull down the
latch and lift the controller off of the rail. The 1752-L24BBB controller has one latch
and the 1752-L24BBBE controller has two latches on the bottom of the controller.

Grounding the SmartGuard 600 Controller

You must provide an acceptable grounding path for each device in your
application. Functionally ground the controller through its V0/G0 power
connection.

In addition, if you are using the 1752-L24BBBE controller, you should connect the
Ethernet ground terminal to an acceptable ground.

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.

Latch

Top Slot

DIN Rail

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