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Assemble the System
The controller can be attached to an adjacent I/O module or power supply before
or after mounting. For mounting instructions, see Panel mounting on page 12 or
DIN rail mounting on page 12.
WARNING
The following procedure shows you how to install the controller in a
CompactLogix system.
A
1. Disconnect line power.
2. Check that the lever of the adjacent module (A) is in the unlocked (fully
right) position.
3. Use the upper and lower tongue-and-groove slots (B) to secure the modules
together.
4. Move the module back along the tongue-and-groove slots until the bus
connectors line up with each other.
The CompactLogix controller is not designed for removal and
insertion under power.
If you insert or remove the module while backplane power is
on, an electrical arc can occur. This could cause an explosion
in hazardous location installations.
Be sure that power is removed or the area is nonhazardous
before proceeding. Repeated electrical arcing causes excessive
wear to contacts on both the module and its mating connector.
Worn contacts may create electrical resistance that can affect
module operation.
B
B
1769-L31 CompactLogix™ Controller
C
E
Publication 1769-IN069A-EN-P - March 2004
9
D
F
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