Rockwell Automation Publication 1769-UM021G-EN-P - October 2015 45
Install the CompactLogix 5370 L2 Controller Chapter 2
Mount the Controller on a Panel
Use two M4 or #8 pan head screws to mount the controller. Mounting screws are
required on every module. Use this procedure to use the assembled modules as a
template for drilling holes in the panel.
1. On a clean work surface, assemble no more than three modules.
2. Using the assembled modules as a template, carefully mark the center of all
module-mounting holes on the panel.
3. Return the assembled modules to the clean work surface, including any
previously mounted modules.
4. Drill and tap the mounting holes for the recommended M4 or #8 screw.
5. Place the modules back on the panel and check for proper hole alignment.
6. Use the mounting screws to attach the modules to the panel.
7. Repeat steps 1
…6 for any remaining modules.
Due to module mounting hole tolerance, it is important to follow these
procedures.
The grounding plate, that is, where you install the mounting screws,
grounds the module when it is panel-mounted.
If you are mounting more modules, mount only the last one of this group
and put the others aside. This reduces remounting time when you are
drilling and tapping the next group of modules.
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