Beckhoff CX1000 Uživatelský manuál stáhnout pdf (Strana 24)

Product Overview

22 Embedded PC

CX1000-N005 connections

The system interface CX1000-N005 contains two RS422, RS485 interfaces, COM2 and COM3 (9 pin Sub-D plug

connector).

The maximum baud rate on both channels is 115 kBit.

COM interface (plug):

Pin assignment of the COM interface:

PIN Signal Type Description

2 TxD+ Data-Out + Transmit 422

3 RxD+ Data-In + Receive 422

5 GND Ground Ground

6 VCC VCC +5V

7 TxD- Data-Out - Transmit 422

8 RxD- Data-In - Receive 422

For RS 485 Pin 2 and 3 ( Data +) as well as Pin7 and 8 (Data -) have to be connected.

The pins not listed are not used.

Settings DIP switches RS485:

RS485 without Echo, End-Point ( Terminated) DEFAULT SETTING

DIP Status Function

1 off Echo on

2 on Echo off

3 on Auto send on

4 off Always send on

5 on Auto receive on

6 off Always receive on

7 on Term on

8 on Term on

RS485 with Echo, End-Point ( Terminated)

DIP Status Function

1 on Echo on

2 off Echo off

3 on Auto send on

4 off Always send on

5 off Auto receive on

6 on Always receive on

7 on Term on

8 on Term on

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Beckhoff CX1000 Uživatelský manuál Strana 24