Allen-Bradley 2755 User Manual download pdf (Page 17)

Overview 1–9

The Reader plugs into a wiring base. All wiring base connections

are made using common electrician tools. Install the Reader after the

wiring base is installed to reduce the possibility of damage.

Wiring Base

Four conduit

entrances

Reader

Sockets for

2 I/O Modules

Terminal Blocks

for I/O Modules

Package Detect

Terminal Block

DeviceNet Communication

and Power Terminal Blocks

RS-232 Communication

Terminal Block

RS-422/RS-485

Communication

Terminal Block

Reader Connector

Power Polarity – LED Indicator

Communication

Termination

Switches

DeviceNet/Power Terminal Blocks

The wiring base has 2 identical terminal blocks; one for incoming

power and communications, one for outgoing power and

communications.

RS-232 Terminal Block

Connections for point-to-point communications with a personal

computer or controller RS-232 port.

RS-422 / RS-485 Terminal Block

Connections for network or point-to-point communications with

another RS-422/RS-485 device or network.

Wiring Base

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Allen-Bradley 2755 User Manual Page 17