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4
INM F892 Rev 1
c) Ensure that all cable entries and connections are secure by making provision for
the careful routing and securing of all cables.
d) Provide adequate security against unauthorized interference.
e) Ensure that the permitted ambient temperature range of –40°C to +65°C (derate to
+50°C for the F802 when loaded above 60% of its full load rating) is not exceeded.
Allow for power dissipation within the enclosure and consider the use of shading
against direct sunlight.
4 .2 .2 Outdoor Mounting
If the power system is mounted in an outdoor location, use a suitable enclosure with
a minimum of IP54 ingress protection. A higher level of ingress protection rating will
be necessary if the working atmosphere is or can be corrosive or if the enclosure is
subject to wet or dusty environments.
4 .3 DIN-rail Mounting
The carrier is designed for mounting on 35mm x 7.5mm T-section “top hat” DIN rail to
EN50022 and uses six built-in DIN clamp tabs to hold it on the rail. The F801 power
modules must be removed from the carrier to obtain access to the DIN-rail clamp
screws.
4 .3 .1 Mounting Procedure
Before starting to mount the carrier on the DIN rail, rotate all six of the DIN clamp
screws counterclockwise (i.e. unscrew) until the clamping tabs reach the position
shown in Figure 3a and none of the tabs extend into the channel for the DIN rail.
a)
b)
Figure 3 -
DIN rail clamp positions before mounting
Press the carrier onto the DIN-rail and rotate each of the
DIN clamp
screws clockwise
until the tab tightens against the DIN-rail. The clamping tabs can be seen through the
Inspect clamps
holes when they are in the correct position.
4 .4 Removal from DIN-rail
The Power Modules must be removed from the carrier to obtain access to the DIN-
rail clamp screws. Support the carrier by pressing it to the DIN-rail and unscrew
(counterclockwise) the six DIN-rail clamp screws. Turn each screw approximately two
full turns when releasing its clamping tab from the rail. Remove carrier.