Installation Instructions

Document No. 553-169
Installation Instructions
July 22, 2015
Siemens Industry, Inc. Page 3 of 5
Option 1: Mounting the Compact
Series on a DIN Rail
Installing the DIN Rail
NOTE:
Allow a minimum clearance of 3 inches
(7.6 cm) around the field panel ports and
connectors for terminating wires.
NOTE:
For longer DIN rails, use one mounting
screw per running foot of DIN rail.
Do the following if the DIN rail is not already
installed:
1. Align and level the DIN rail on the mounting
surface or enclosure backplane.
2. Mark the position of the mounting holes at either
end of the DIN rail.
3. Using wall anchors, if necessary, attach the DIN
rail to the surface or backplane.
Installing the PXC Compact
1. Slide out the mounting tabs.
2. Align the channel on the back of the device with
the DIN rail.
3. Using a flat-blade screwdriver, push in each
mounting tab until it clips onto the DIN rail.
● Continue with Completing the Installation.
Option 2: Fastening the Controller
with Screws
NOTE:
Allow a minimum clearance of 3 inches
(7.6 cm) around the field panel ports and
connectors for terminating wires.
1. Select one of the following options for fastening
the PXC Compact:
 Drive screws through the four slide-out
mounting tabs.
 Drive screws through the two mounting holes
in the controller cover and through two
mounting tabs at the opposite corners.
2. Slide out the required mounting tabs.
NOTE:
• For installation on an enclosure
backplane, use the 3/8” self-tapping
screws and, if necessary, the 1-3/4” self-
drilling screws.
• For mounting on a surface, use the 3/4”
self-drilling screws and, if necessary, the
1-3/4” self-drilling screws.
3. Align the PXC Compact on the mounting surface
and mark the position of the mounting holes.
4. For installation in an enclosure, align the
mounting holes of the PXC Compact with holes
in the perforated backplane. See the Figure
Dimensions for Installation.
5. Using wall anchors if necessary, secure the
controller using the provided screws.
6. Continue with Completing the Installation.