24 Rockwell Automation Publication CNET-IN005A-EN-P - May 2011
Chapter 2 Install a 1768 ControlNet Communication Module
Install the Module
To install the module, follow this procedure.
If You Use Screws to Mount the Module
The instructions show how to mount the module on DIN rail. If you are using
screws instead of DIN rail, make these changes to the instructions.
Refer to Industrial Automation Wiring and Grounding Guidelines, publication
1770-4.1
, for additional information.
1. Use the module as a template and mark pilot holes on your panel.
2. Drill the pilot holes for M4 or #8 screws.
3. Use M4 or #8 screws to mount the module to your panel.
Use 1.16 N•m (10 lb•in) of torque.
4. Ground the module on a ground bus with a dedicated earth ground stake.
5. Connect the ground bus to a functional earth ground on the DIN rail or
panel.
Mount on a DIN Rail
Follow these steps to install the module on a DIN rail.
1. Mount the DIN rail in a suitable location.
2. Mount the module on the DIN rail, as shown.
Do not use screws and DIN rail to mount the module. It is possible to
break the mounting tabs off if you screw the module to the panel while
they are on DIN rail.
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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