Rockwell-automation 1769-ASCII Compact Module Manual de usuario descargar pdf (Pagina 13)

Compact 1769-ASCII Module 13

Publication

1769-IN068B-EN-P - May 2005

Connect the D-sub Connector Pins

All pins are active at all times.

IMPORTANT

Pins unused for a particular physical network must not be

connected via the serial cable to any other device. In

particular, do not use cables 1747-CP3 and 1756-CP3.

Pin RS-232 RS-422 RS-485

1 Do Not Connect Transmit Data - Transmit/Receive Data -

2 Receive Data Do Not Connect Do Not Connect

3 Transmit Data Do Not Connect Do Not Connect

4 Do Not Connect Receive Data - Do Not Connect

5 Common Common Common

6 Do Not Connect Receive Data + Do Not Connect

7 Request To Send Request To Send Request To Send

8 Clear To Send Clear To Send Clear To Send

9 Do Not Connect Transmit Data + Transmit/Receive Data +

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 39 40

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Rockwell-automation 1769-ASCII Compact Module Manual de usuario Pagina 13