Specifications

Serial I/O Connections, 040 Module
Adept MV Controller User’s Guide, Rev C 73
6.3 Serial I/O Connections, 040 Module
RS-422 Connector (on 040 Module)
The RS-422 connector (upper connector on front of module) is a DB-25F, 25-pin female
connector. The pin assignments and locations are shown below. RS-422 is a point-to-point
protocol for connection to a single destination. This port cannot be used for multi-drop
connections. (Whereas, the 030 module has a dual-mode RS-422/RS-485 port.)
To change the configuration use the
CONFIG_C
utility program or the V
+
FSET
program
instruction. This port is designated
LOCAL.SERIAL:1
.
CAUTION:
The RS-422 and RS-232 ports on the 040 both use 25-pin
female connectors. Be sure to label each connector and take precautions to
avoid connecting to the wrong port.
a
Depending on what type of device you are connecting to, you may have to reverse the polarity
of the TXD signals.
b
Depending on what type of device you are connecting to, you may have to reverse the polarity
of the RXD signals.
Table 6-1. RS-422 Connector Pin Assignments (on 040 Module)
Pin Signal Pin Signal Pin Locations
1NC 14
a
TXD–
Figure 6-1. RS-422 Connector on 040
Module
(25-Pin Female DB-25F,
upper connector)
2
a
TXD+ 15 NC
3
b
RXD+ 16
b
RXD–
4RTS+ 17NC
5 CTS+ 18 RTS–
6DSR+ 19NC
7 Signal
ground
20 DTR+
8NC 21NC
9NC 22DSR
10 NC 23 DTR–
11 NC 24 NC
12 NC 25 NC
13 CTS–
NC = do not connect
Pin 13
Pin 1
Pin 25
Pin 14
!
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