Allen-Bradley 2755 Bedienungsanleitung PDF herunterladen (Seite 49)

Installing the Wiring Base and Power Supply 3–14

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.

Reader

V-

24V+

Ground Screw

on Wiring Base

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.

Power

Connect

ons

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Allen-Bradley 2755 Bedienungsanleitung Seite 49