Rs-485/422/232 Serial Port - National Instruments CVS-1459 User Manual

Pin
3
4

RS-485/422/232 Serial Port

The NI CVS-1459 has a single serial port that can operate in either RS-485/422 mode or
RS-232 mode. Set the serial port mode in the BIOS.
The serial port is a 10-position RJ50 modular jack, which can connect to serial devices, such
as PLCs, scanners, and lighting devices.
Table 4. RS-485/422/232 Serial Port Pin Descriptions
Pin
1
2
3
4
5
6
7
8
9
10
6 | ni.com | NI CVS-1459 User Manual
Table 3. USB 2.0 Port Pin Descriptions (Continued)
Signal Name
D+
GND
Figure 6. RS-485/422/232 Serial Port Pin Locations
Pin 10
Pin 1
RS-485/422 Mode
No Connect
TXD-
TXD+
No Connect
No Connect
RXD-
RXD+
Unused
Unused
GND
Signal Description
USB Data +
Ground
RS-232 Mode
No Connect
Unused
Unused
No Connect
No Connect
GND
Unused
TXD
RXD
GND