Mounting The Units - Omron SYSMAC C200H CPU01-E Installation Manual

Mounting the Units

3-1 Mounting the Units
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There is no single Unit that can be said to constitute a Rack PC. To build a Rack
PC, we start with a Backplane. The Backplane for the C200H is shown below.
The Backplane is a simple device having two functions. The first is to provide
physical support for the Units to be mounted to it. The second is to provide the
connectors and electrical pathways necessary for connecting the Units
mounted to it.
The core of the PC is the CPU. The CPU contains the program consisting of the
series of steps necessary for the control task. The CPU has a built-in power sup-
ply, and fits into the rightmost position of the Backplane.
The CPU of the C200H has no I/O points built in. So, in order to complete the PC
we need to mount one or more I/O Units to the Backplane. Mount the I/O Unit to
the Backplane by locking the top of the I/O Unit into the slot on the Backplane and
rotating the I/O Unit downwards as shown in the following diagram. Press down
on the yellow tab at the bottom of the slot, press the I/O Unit firmly into position,
and then release the yellow tab.
C200H Backplane
Section 3-1