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RS-485/422 (DTE) Serial Port
The cRIO-9035 has an RS-485/422 (DTE) serial port that is implemented with an RJ-50, 10-
position modular jack. The RJ-50 connector is isolated from the cRIO-9035. For more
information about the electrical isolation of the RS-485/422 (DTE) port, refer to the
specifications on ni.com/manuals.
Find examples on how to use NI-Serial or NI-VISA to perform serial communication in the
NI Example Finder. The NI Example Finder is located on the Help menu in the LabVIEW
Help.
The following table shows the pinout for the RS-485/422 (DTE) serial port.
The following accessory is available to connect the RS-485/422 (DTE) serial port to a 9-pin
DSUB plug.
Caution
with the RS-485/422 (DTE) serial port. The following accessory meets this
requirement.
RS-485, S8 Serial Cable, 10-Position Modular Plug to 9-Pin DSUB
(Isolated)
Mini DisplayPort
Use the Mini DisplayPort to connect a monitor and implement a local HMI. You can use a
single real-time VI to interactively develop both your user interface and system logic. For
Table 9. RS-485/422 (DTE) Serial Port Pinout
Pinout
1
2
3
4
5
6
7
8
9
10
To ensure the specified EMC performance, you must use an isolated cable
Table 10. RS-485/422 (DTE) Serial Port Accessory
Accessory
Pin
1
No Connect
2
TXD-
3
TXD+
4
No Connect
5
No Connect
6
RXD-
7
RXD+
8
No Connect
9
No Connect
10
Isolated GND
NI cRIO-9035 User Manual | © National Instruments | 11
Signal
Length Part Number
1 m
184428-01
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