Selecting appropriate cables – Rockwell Automation 1785-Lx0C15 ControlNet PLC-5 Programmable Controllers User Manual User Manual
Page 34

1785-UM022C-EN-P - February 2008
1-22
Installing Your ControlNet PLC-5 Processor
Selecting Appropriate Cables
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
Rockwell Automation.
The side label of the processor shows the following table, which
lists Channel 0 (serial port) pin assignments.
When used in a Class I, Division 2, hazardous
location, this equipment must be mounted in a
suitable enclosure with proper wiring method that
complies with the governing electrical codes.
WARNING
!
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.