Installing Your
Programmable Controller
Chapter 4
4-15
Figure 4.6
Assembly Diagram of Studs, Bus, and Backpanel to Your Enclosure
12305I
12666
star washer
ground bus or
mounting bracket
scrape paint and
use a star washer
bolt
tapped hole
backpanel
flat washer
ground lug
scrape paint
backpanel
welded stud
flat washer
ground lug
star washer
ground bus or
mounting bracket
scrape paint and
use a star washer
back wall of
enclosure
use a wire brush to remove
paint from threads to allow
ground connection
welded stud
Bolt Mounting of a Ground Bus
or a Chassis to the Backpanel
Stud Mounting of this Backpanel
to the Back Wall of the Enclosure
Stud Mounting of a Ground Bus
or Chassis to the Backpanel
Use 6.35 mm (0.25 in.) bolts to mount the I/O chassis on the enclosure
backpanel. For component spacing and dimensions see Figure 4.7
and Figure 4.8.
Step 2 - Mounting and
Grounding Components on
the Backpanel