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1.
Securely mount a 20 cm (8 in.) or longer section of 35 mm DIN rail, horizontally and centered in
the desired space, so that the expansion module mounts in the position shown in Figure 1.
2.
Pull the two bottom mounting clips outward from the expansion module to the extended
position (Figure 2).
3.
Hang the expansion module on the DIN rail by the hooks at the top of the DIN rail channel
on the back of the expansion module (Figure 2), and position the expansion module snugly
against the DIN rail.
4.
Push the bottom mounting clips inward (up) to secure the expansion module on the DIN rail.
To remove the expansion module from the DIN rail, pull the bottom mounting clips out to the
extended position and carefully lift the expansion module off the DIN rail.
Wall mount applications
To mount an FX-PCX expansion module directly on a wall or other flat vertical surface, complete the
following steps:
1.
Pull the two bottom mounting clips outward and ensure they are locked in the extended
position, as shown in Figure 2.
2.
Mark the mounting hole locations on the wall using the dimensions in Figure 2 and one of the
mount positions shown in Figure 1.
You can also hold the expansion module up to the wall or surface in a proper mount position
and mark the hole locations through the mounting clips.
3.
Drill holes in the wall or surface at the marked locations, and insert appropriate wall anchors in
the holes (if necessary).
4.
Hold the expansion module in place, and insert the screws through the mounting clips and into
the holes (or anchors). Carefully tighten all of the screws.
Important: Do not overtighten the mounting screws. Overtightening the screws may
damage the mounting clips.
Mounting features and dimensions
See the following figure for mounting dimensions listed in millimeters and inches. Inches are listed
in parenthesis. The following figure also illustrates the DIN rail channel and the mounting clips in
an extended position.
4
FX-PCX2721 Expansion Input/Output Module Installation Instructions
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