Rockwell-automation 1756-Lx_Mx ControlLogix Controller and Memory Boar User Manual download pdf (Page 34)

34 ControlLogix Controller and Memory Board

Publication

1756-IN101L-EN-P - June 2008

Connecting a Serial Cable

Use the serial port for RS-232 communication.

WARNING

If you connect or disconnect the serial cable with power applied to this module

or the serial device on the other end of the cable, an electrical arc can occur.

This could cause an explosion in hazardous location installations.

Make sure that power is removed or the area is nonhazardous before

proceeding.

RS232

BATTERY

PORT

1-DCD

2-RXD

4-DTR

3-TXD

5-GND

DSR-6

CTS-8

RTS-7

N/C-9

BATTERY

DATE

COMPACT

FLASH

Insert 1

To Eject

1 + 2

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 51 52

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Rockwell-automation 1756-Lx_Mx ControlLogix Controller and Memory Boar User Manual Page 34