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Rockwell Automation 22-COMM-P PowerFlex Profibus Adapter User Manual

Page 25

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Installing the Adapter

2-9

Subcon Plus M1 (Part # 2761826) are recommended for use with
PowerFlex 40, PowerFlex 40P, and PowerFlex 400 drives.]

Figure 2.7 Connecting to the Cable

ERNI Connector

Phoenix Subcon Plus M1 Connector

Figure 2.8 Network Wiring Diagram

Figure 2.9 22-COMM-P DB-9 Pin Layout

5. Connect the Profibus cable to the network, secure it with the two

retaining screws on the connector, and route it through the bottom of
the PowerFlex drive (see

Figure 2.8

.)

Notes: a) The screws on some connectors tie the Profibus cable

ground/shield to the metal of the socket. In some cases,
Profibus will not operate correctly without this connector.

b) Keep wiring away from high noise sources such as motor

cables.

Terminal

Signal

Function

Housing

Shield

1 and 2

Not connected

3

B-LINE

Positive RxD/TxD, according to RS485 specification

4

RTS

5

GND BUS

Isolated GND from bus

6

+5V BUS

Isolated +5V from bus

7 and 9

Not connected

8

A-LINE

Negative RxD/TxD according to RS485 specification

B

A

B

A

B

A

B

A

A

B

A

B