• Do not install the modules in an enclosure with heat-
generating devices that may cause the temperature to
exceed the ambient operating limit.
Mounting
Mount System 450 modules on 35 mm DIN rail
(recommended) or directly to an even wall surface. See:
• Mounting modules on DIN rail
• Direct-mounting modules to wall surfaces
Mounting modules on DIN rail
1. Provide a section of 35 mm DIN rail that is longer
than the module assembly width, and mount the
DIN rail horizontally in a suitable location using the
appropriate mounting hardware.
2. Clip the control module on the rail, position the upper
DIN rail clips on the top rail, and gently snap the
lower clips onto the rail.
3. Clip the remaining modules to the right of the control
module onto the DIN rail, and plug the 6-pin module
connectors together (Figure 3)
Note: If your System 450 control system uses
a power module, the power module must
be plugged into the right side of the control
module.
Direct-mounting modules to wall surfaces
1. Plug the modules together, remove the module
covers, place the module assembly horizontally
against the wall surface in a suitable location, and
mark the mount hole locations on the mounting
surface (Figure 1).
Note: The four keyhole slots on the
communications control module are not
accessible from the front (even with the cover
removed). Use another System 450 module to
mark the communications module mounting
hole locations on the mounting surface.
2. Install appropriate screws or fasteners, leaving the
screw heads approximately one to two turns away
from flush to the surface.
3. Position the assembly mounting slots over the screw
heads, and then carefully tighten the mounting
screws to secure the assembly to the surface.
Note:
- The mounting screws on a
communications module cannot be
accessed or tightened after the module
is attached to the screws. The enclosure
has a ramp molded into the keyhole
slots, which allows you to mount the
module on the screw heads.
- If you mount the modules on an uneven
surface, use shims or washers to mount
module assembly evenly on the surface.
Refer to the input sensor installation guide for information
on locating and mounting control sensors.
Wiring
See Figure 2 and Table 1 for electrical termination
locations and wiring information. See C450CEN-1C
Control Module with Ethernet Communications technical
specifications for electrical ratings.
WARNING
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.
Important:
• Use copper conductors only. Make all wiring in
accordance with local, national, and regional
regulations.
• Do not exceed the System 450 module electrical
ratings. Exceeding module electrical ratings can
result in permanent damage to the modules and
void any warranty.
• Run all low-voltage wiring and cables separate
from all high-voltage wiring. Shielded cable is
strongly recommended for input (sensor) and
analog output cables that are exposed to high
electromagnetic or radio frequency noise.
• Electrostatic discharge (ESD) can damage System
450 modules. Use proper ESD precautions during
installation and servicing to avoid damaging
System 450 modules.
System 450 Series Control Module with Ethernet Communications Installation Guide2
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