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Expansion of Basic System with External //0s
How to Mount and Remove the Bus Units
Bus units are also mounted on a standard mounting rail. Mount the bus units in the same way you
mounted the controller
or a power supply module.
There are small hooks on the sides
bus unit onto the top of the standard mounting rail beside the programmable controller.
Press the bus unit down firmly until the slide audibly snaps into place.
To remove
bus units, proceed as follows:
How to Connect Bus Units to the Basic Unit or interlocking Bus Units
Plug the connector into the receptacle on the right side of the basic unit or into the adjacent
receptacle of the bus unit on the left side (see Figure 5-2).
5-2
of the bus units that interlock them.
Figure 5-2. Connecting the Bus Units
EWA 4NEB812 6210-02
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