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Publication 1761-UM006A-EN-P - February 2001
2-8 Installation and Wiring
RS-232 Port Connections
RS-232 Connector
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.
See page 2-2 for the list of cables that can be used in a hazardous
environment.
Table 2.1 RS-232 Connector Pin Assignments
Pin Port 2
124V dc
2ground (GND)
3 no connection
4 ENI input data, RxD
5 no connection
6 no connection
7 ENI output data, TxD
8ground (GND)
ENI Connected to: Catalog Number Use Cable
MicroLogix (all series)
1761-CBL-AM00
1761-CBL-HM02
Mini DIN to Mini DIN
45 cm (17.7 in)
2m (6.5 ft.)
SLC 5/03, SLC 5/04, or
SLC 5/05 Channel 0 1761-CBL-AP00
1761-CBL-PM02
Mini DIN to D-Shell
45 cm (17.7 in)
2m (6.5 ft.)
PLC-5
1761-CBL-AP00
1761-CBL-PM02
Mini DIN to D-Shell
45 cm (17.7 in)
2m (6.5 ft.)
8-pin mini-DIN
4
2
1
5
8
7
6
3