FX Supervisory Controller Installation Instructions 5
Mounting
Mount the FX20/FX60 in a location that allows
clearance for wiring, servicing, and module removal.
For mounting details, see Figure 2 through Figure 5.
Follow these recommendations and precautions
when mounting and installing the unit.
Use this controller for indoor use only. Do not
expose the unit to ambient conditions outside
the range of 0 to 50ºC (32 to 122ºF) and relative
humidity outside the range of non-condensing
5 to 95% (Pollution Degree 1).
For a controller mounted inside an enclosure,
ensure that the enclosure is designed to keep
the unit within its required operating range
(considering a 20-watt dissipation by the
controller). This is especially important if the
controller is mounted inside an enclosure with
other heat producing equipment.
Do not mount the unit:
in an area where excessive moisture,
corrosive fumes, or explosive vapors are
present
where vibration or shock is likely to occur
in a location subject to electrical noise. This
includes the proximity of large electrical
contactors, electrical machinery, welding
equipment, and spark igniters.
Physical Mounting
The following information applies to the physical
mounting of the FX20/FX60.
You do not need to remove the cover before
mounting.
Mount the FX20/FX60 in any orientation.
Mount the unit on a 35-mm wide DIN rail
(recommended). The FX20/FX60 unit base and
its accessories have molded DIN rail slots and
locking clips. Mounting these components on a
DIN rail ensures accurate alignment of
connectors between all modules.
If DIN rail mounting is impractical, use screws in
mounting tabs on the FX20/FX60 and in any
end-connected accessory (power module, NDIO
module). See Figure 2 for tab dimensions.
DIN Rail Mounting Instructions
To mount on DIN rail:
1. Securely install the DIN rail using at least 2
screws near both ends of the rail.
2. Position the FX20/FX60 on the rail, then tilt it to
hook the DIN rail tabs over one edge of the DIN
rail (see Figure 3).
3. Use a screwdriver to pry down the plastic
locking clip, and push the FX20/FX60 down and
in, which forces the locking clip to snap over the
edge of the DIN rail.
4. Mount the accessory modules (NDIO modules
and power module) onto the DIN rail in the
same manner (see Figure 5). See Table 1 for
quantities allowed.
5. Slide the accessory along the DIN rail to
connect its 20-position plug into the
FX20/FX60.
6. Repeat these instructions for all accessories,
until all are mounted on the DIN rail and firmly
connected to each other. For an example, see
Figure 4.
To keep the final assembly together, secure at both
ends with DIN rail end-clips. This also prevents the
assembly from sliding on the DIN rail. See Figure 4.
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