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Figure 2: Expansion Module mounting positions
DIN rail mount applications
Mounting the expansion module horizontal on 35 mm
DIN rail is the preferred mounting method.
To mount a expansion module on 35 mm DIN rail:
1.
Securely mount a 20 cm (8 in.) or longer section of 35
mm DIN rail horizontal and centered in the desired
space so that the expansion module mounts in the
horizontal position shown in Figure 2.
2.
Pull the two bottom mounting clips outward from
the expansion module to the extended position
(Figure 3).
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 3), 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 a expansion module directly on a wall or other
flat vertical surface:
1.
Pull the two bottom mounting clips outward and
ensure they are locked in the extended position as
shown in Figure 3.
2.
Mark the mounting hole locations on the wall using
the dimensions in Figure 3 and one of the mount
positions shown in Figure 2. Or 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
Figure 3: Back of Expansion Module showing
extended mounting clips, DIN rail channel, and
mounting dimensions, mm (in.)
Wiring
Risk of Electric Shock:
Disconnect or isolate all power supplies before mak-
ing electrical connections. More than one disconnec-
tion or isolation may be required to completely de-en-
ergize equipment. Contact with components carrying
hazardous voltage can cause electric shock and may
result in severe personal injury or death.
Avertissement
Risque de décharge électrique:
Débrancher ou isoler toute alimentation avant de
réaliser un branchement électrique. Plusieurs iso-
lations et débranchements sont peut-être néces-
saires pour -couper entièrement l'alimentation de
l'équipement. Tout contact avec des composants con-
ducteurs de tensions dangereuses risque d'entraîner
une décharge électrique et de provoquer des
blessures graves, voire mortelles.
IOM3711 Input/Output Module Installation Guide
Warning
3
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