HP MicroLogix 1761-NET-ENI manual RS-232 Cables, RS-232 Connector Pin Assignments

2-8Installation and Wiring

RS-232 Port Connections RS-232 Connector

8-pin mini-DIN

7

68

53

4

2 1

Table 2.1 RS-232 Connector Pin Assignments

Pin Port 2

124V dc

2ground (GND)

3no connection

4ENI input data, RxD

5no connection

6no connection

7ENI output data, TxD

8ground (GND)

RS-232 Cables

Port 2 of the ENI is an 8-pin mini-DIN RS-232 port that provides connection to DF1 compatible RS-232 devices. The table below describes the RS-232 compatible cables.

ENI Connected to:	Catalog Number	Use Cable
MicroLogix (all series)		Mini DIN to Mini DIN
	1761-CBL-AM00	45 cm (17.7 in)
	1761-CBL-HM02	2m (6.5 ft.)
SLC 5/03, SLC 5/04, or		Mini DIN to D-Shell
SLC 5/05 Channel 0	1761-CBL-AP00	45 cm (17.7 in)
	1761-CBL-PM02	2m (6.5 ft.)
PLC-5		Mini DIN to D-Shell
	1761-CBL-AP00	45 cm (17.7 in)
	1761-CBL-PM02	2m (6.5 ft.)

See page 2-2for the list of cables that can be used in a hazardous environment.

Publication 1761-UM006A-EN-P - February 2001