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SmartController Serial I/O Connectors
Adept SmartController User’s Guide, Rev. E 45
NOTE: To configure the port speed and other communications
parameters, use the CONFIG_C utility program, the V
+
FSET program
instruction, or the FSET monitor command.
RS-422/485 Connector
The RS-422/485 connector is a 9-pin DB9 male connector. The pin assignments are shown
in Table 3-6. RS-422 is a point-to-point protocol for connecting to a single destination. This
port can also be configured as a multidrop port (RS-485).
To change the configuration of the RS-422/485 port, use the CONFIG_C utility program or
the V
+
FSET program instruction. See Table 3-5 for the V
+
designation when referenced in
a V
+
ATTACH or FSET instruction.
Table 3-5. Serial Connectors and V
+
Designations
Controller Connector
V
+
Designation
CS and CX RS-422/485 LOCAL.SERIAL:1
CS and CX RS-232/Term LOCAL.SERIAL:2
CX only RS-232-1 SERIAL:1
CX only RS-232-2 SERIAL:2
Table 3-6. RS-422/485 Connector Pin Assignments
Pin Signal Type
1NC
2RXD+ Input
3TXD+ Output
4TXD- Output
5GND Ground
6RXD– Input
7NC
8NC
9NC