06.09.2014 Views

ALLEN BRADLEY 1747-L551 PLC Processor

ALLEN BRADLEY 1747-L551 PLC Processor

ALLEN BRADLEY 1747-L551 PLC Processor

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

RS-232 Communication Interface<br />

B–15<br />

2760-RB to a SLC 5/03, SLC 5/04, or SLC 5/05 <strong>Processor</strong>, IBM AT,<br />

1770-KF3, 1775-KA, 1773-KA, 5130-RM, or <strong>PLC</strong>-5 (Hardware<br />

Perihpheral<br />

Device 9 Pin 25 Pin<br />

Handshaking Disabled) ➀ DCD 1<br />

25 Pin 2760–RB<br />

1 GND ➂<br />

2 TXD<br />

GND ➂<br />

RXD<br />

3<br />

1<br />

8<br />

2<br />

➁<br />

➁<br />

3<br />

4<br />

RXD<br />

RTS<br />

TXD<br />

DTR<br />

2<br />

7<br />

3<br />

4<br />

➁<br />

5<br />

6<br />

7<br />

CTS<br />

DSR<br />

COM<br />

COM<br />

DSR<br />

RTS<br />

8<br />

6<br />

5<br />

5<br />

6<br />

7<br />

➁<br />

20<br />

DTR<br />

CTS<br />

4<br />

20<br />

(DTE)<br />

(DTE)<br />

➀ You can also use cable <strong>1747</strong>-CP3.<br />

➁ Jumpers are only needed if you cannot disable the hardware handshaking on the port.<br />

➂ Connect the shield of the cable to the GND pin on one end only. Leave the other end open.<br />

1771-KGM to a Modem (Hardware Handshaking Enabled)<br />

15 Pin 1771–KGM<br />

Modem 9 Pin 25 Pin<br />

1<br />

2<br />

GND ➀<br />

TXD<br />

GND ➀<br />

TXD 3<br />

1<br />

2<br />

3<br />

4<br />

5<br />

6<br />

7<br />

8<br />

11<br />

RXD<br />

RTS<br />

CTS<br />

DSR<br />

COM<br />

DCD<br />

DTR<br />

RXD<br />

RTS<br />

CTS<br />

DSR<br />

COM<br />

DCD<br />

DTR<br />

2<br />

7<br />

8<br />

6<br />

5<br />

1<br />

4<br />

3<br />

4<br />

5<br />

6<br />

7<br />

8<br />

20<br />

(DTE)<br />

RI 9<br />

(DCE)<br />

22<br />

➀ Connect the shield of the cable to the GND pin on one end only. Leave the other end open.<br />

Publication <strong>1747</strong>-6.2

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!