mux-10 + write and read to different channels at the same time

[Kevin VdG]

Hi,

I'm using a Mitutoyo Mux-10 to get the measurements of my 3 Mitutoyo digimatic indicators.

The Mux-10 is connected to my pc through the com port (serial).

I can communicate with it using Labview 6.0.

When I write a request string to the Mux-10 (1<CR> for channel1, 2<CR> for channel2 and 3<CR> for channel3), I get a read string back containing the correct measurement. This is the case in the attached "Serial communication_4.vi".

But I want to get the measurements of the 3 channels at the same time, so I rebuilded the vi above to "Serial communication_3.vi".

This vi will not work! What am I doing wrong? Are the 3 write strings interfering each other?

Does someone have a solution for my problem?

Kind Regards

kevin Van de Gaer

[Dennis_Knutson]

You cannot do parallel communication over a single serial port. In order to send and receive data in parallel, you would need three separate serial ports, each connected directly to your instrument.

[SANGPHAM]

Hello, i use your sample program but still not read the value from mux-10f ?. Can you tell me if the DIP button on the back of the mux-10f is adjustable, and is it correct to send the command like that? thank you

[Baptiste.G]

Hello,

Did you try to set the parameter A to read the 3 channels. There is another post about this topic :

https://forums.ni.com/t5/LabVIEW/Mitutoyo-mux-10-Digimatic-indicator-Labview6-0/td-p/584833