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3–14
Installing the Wiring Base and Power Supply
Power Connections
Single Reader Power Connection
Below is a single power supply (Catalog No. 2755-PW46, -PW47)
providing power to a single Reader. Do not connect other DeviceNet
power supplies to the 2755-PW46 or -PW47 supply.
Use a shielded cable (Belden 9316 recommended) when making
power connections.
Note: You must ground V- to Earth Ground at a single point,
preferably as near the power supply as possible.
24V+
V-
Multiple Reader Connections using 2755-PW46/-PW47 Supply
In the following illustration, each Reader is powered by a separate
Catalog No. 2755-PW46 or -PW47 power supply. The Catalog No.
2755-PW46 is shown. Do not connect power supplies in parallel.
Use a shielded cable (Belden 9316 recommended) when making
power connections.
Note: You must ground V- to Earth Ground at a single point on the
power supply link, preferably as near the power supply as possible.
Ensure that the V+ lines are not connected together and that the V–
lines are connected together as shown on top of next page.
Reader
Ground Screw
on Wiring Base
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