Rockwell-automation 1734-485ASC POINT I/O ASCII User Manual Instrukcja Użytkownika Pobierz pdf (Strona 17)

Publication 1734-UM009B-EN-P - July 2003

Installing the ASCII Module 1-7

Module Terminations

Terminal RS-232 RS-485 RS-422

0Tx

1

S+

1

Tx+

1

1Rx

2

NC Rx+

1

2NCS-

2

Tx-

2

3NCNCRx-

2

4 NCNCNC

5 NCNCNC

6NCCGCG

7SGSGSC

1 S+ and Tx+ are transmit from the module

2 S- and Rx- are receive into the module

0

1

23

45

6

7

Tx

NC

NC

NC

Rx

NC

NC

SG

43124

Tx, S+ = Transmit Rx, S- = Receive

NC = No Connection SG = Signal Ground

CG = Chassis Ground

0

1

23

45

6

7

S+

S-

NC

CG

NC

NC

NC

SG

43488

0

1

23

45

6

7

Tx+

Tx-

NC

CG

Rx+

Rx-

NC

SG

43489

RS-422RS-485RS-232

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