the RS485 MFC with PC connection

Hi all

I need to install a mass flow between MKS and PC controller. The definition of the pins is given in the table:

There is no RS232 in my PC. I wonder if NI USB - 485 converter can be used and how to connect the pins? A different power supply should be used? I don't know anything about RS485 and Labview. Thank you very much.

--

Best,

GM

IGM,

You will need a USB-485 adapter.  Personally, I prefer B and B Electronics adapters or NEITHER.  There are many other manufactures as well.

DB9 connection to you MFC includes two groups of signals.  Power pins 3 and 4 to the MFC.  Pins 6-9 are related to the 485 interface signals.  You need to build a custom cable that connects the MFC, power running continuous and converter USB-485 together.

.

Tags: NI Hardware

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