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2-7

- PROFIBUS DP Compatible Network Unit DL-PD1 User's Manual (GT2) -

Connection and Configuration

2-2 Wiring

This section describes wiring for the DL-PD1.

Also refer to the Recommendation for Cabling and Assembly published by PROFIBUS

International.

Point

Turn off the power before wiring.

Connecting the PROFIBUS

Use the following procedure to connect the DL-PD1 to the PROFIBUS.

 Usable cable

Use the shielded twisted pair cable, which is compliant with the PROFIBUS

specifications.

 Wiring the PROFIBUS Connector

For the PROFIBUS connector of the DL-PD1, the D-sub 9 pin connector (socket) is

used. Pin arrangement of the connector is as below.

Pin number Signal name Description

1- -

2- -

3 RxD/TxD-P Data line B

4 RTS Request to send

5 M5V2 Data reference potential (Station)

6 P5V2 Power supply: Plus (Station)

7- -

8 RxD/TxD-N Data line A

9- -

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 71 72

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