Connecting RS485 or RS232 to myRIO

[CyrusOliveros]

Hi, I need to connect a residual chlorine sensor to myRIO and the sensors i can find has rs485/rs232 output pins. So before buying online, i need to know if it possible to connect a sensor with RS485 or RS232 output pin in myRIO. 

[farshid_asadi]

Hi
As far as I know, not directly.
However for this you also need to buy a rs-232 to ttl convertor and then you can do it.
I think this will be usefull for you:
https://forums.ni.com/t5/myRIO-Student-Projects/RS-232-Serial-to-TTL-Converter/ta-p/3530996
Best
Farshid

[PurpleWINDD]

In my current project, I connected several RS232 and RS485 sensors with myRIO via RS232/RS485-to-USB converters. I communicated with them using Modbus protocol. You can use them as normal VISA resources.