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2.2 Communication Connector

The pin layout of PROFIBUS-DP communication connector CN3 is

shown below.

Pin layout of CN3 (D-sub 9pin)

We recommend the use of cables and connectors dedicated for PROFIBUS-DP. Also, a

terminal resistor is required when placing this product on the terminal of a network. Please

use a connector with a terminal resistor.

Connector (Example): SUBCON-PLUS-PROFIB/SC2 (Phoenix Contact)

Signal name

Function Description

1 Not used

―

2 Not used

―

3 RxD/TxD-P

Send/receive data Connect line B (red)

4 Not used

―

5 DGND GND GND for VP(bus terminal)

6 VP +5V power For bus terminal

7 Not used

―

8 RxD/TxD-N

Send/receive data Connect line A (green)

9 Not used

―

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CKD ABSODEX AX9000TS-U3 Specifications

General