User Manual Owner manual

Chapter 1
Installing Your ControlNet PLC5 Processor
1-18
This section lists information about:
serial cables
DH+ programming cables
remote I/O cables
ControlNet cables
For more information about cables, see the Enhanced and Ethernet PLC-5
Programmable Controllers User Manual, publication 1785-6.5.12.
Serial Cables
You can make your own serial cables or purchase them from
Allen-Bradley Company, Inc.
The side label of the processor shows the following table, which
lists Channel 0 (serial port) pin assignments.
Pin RS232C RS422A RS423 Pin RS232C RS422A RS423
1
C.GND C.GND C.GND 14 NOT USED TXD.OUT
+
SEND COM
2 TXD.OUT TXD.OUT

TXD.OUT 15
3 RXD.IN RXD.IN

RXD.IN 16 NOT USED RXD.IN
+
REC COM
4 RTS.OUT RTS.OUT
+
RTS.OUT 17
5 CTS.IN CTS.IN
+
CTS.IN 18
6 DSR.IN DSR.IN DSR.IN 19 NOT USED RTS.OUT

NOT USED
7 SIG.GND SIG.GND SIG.GND 20 DTR.OUT DTR.OUT DTR.OUT
8 DCD.IN DCD.IN DCD.IN 21
9 22 NOT USED DSR.IN NOT USED
10 NOT USED DCD.IN NOT USED 23 NOT USED DTR.OUT NOT USED
11 24
12 25
13 NOT USED CTS.IN

NOT USED
The shading indicates that the pin is reserved.
This processor’s serial port can support these configurations:
Digital Interface Maximum Cable Length
RS232C
15 m (approximately 50 ft)
RS422A (compatible) 61 m (approximately 200 ft)
RS423 61 m (approximately 200 ft)
Selecting Appropriate
Cables
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