Mounting Racks
Section 3-3
The duct work shown in the following diagram is not used for mounting the
Racks. Although optional, this duct work can be used to house the wires from the
I/O Units that run along the sides of the Racks, keeping the wires from becoming
entangled. This figures illustrate the correct way to mount the Racks.
Input duct
Output duct
Power duct
200 mm min.
CPU
Rack
Breakers,
fuses
Expansion
I/O Rack
Power equip
-
ment such as
transformers
and magnetic
relays
Fuses, relays, timers
(Do not install heat-gen
erating equipment or
power equipment.)
Terminal
blocks for
PC
T
erminal blocks for
-
power equipment
47