Communication RS-485 on Digital Metering

[K C]

The VI is actually called 'MB Serial Master Query Read Holding Registers'

Work through the examples from the MB library, look what VI are used to read a slave. I am sure you can use this in your application.

Kees

[rhiesnand]

hey Kees, i wanna ask how to read 2 device, i mean i wanna read 2 Power Analyzer in same time. that 2 device must has a different Pheriperal Number isnt right ? and how to Ask Question with 2 different Question on Write VISA so the Response sorting 2 different Answer from Read VISA ? i wanna learn firstly from basic using VISA not from Modbus Library, maybe next i'll learn using MB library.

Thanks~

[K C]

Hi,

If you want to learn about VISA, communication with devices, MB, etc. you can find a lot of documentation at the NI site. If you google you wil find even more. 

Please try to learn from these possibilities. My time is limited so I am willing to help if you have a problem but I am not your teacher.

Kees

[rhiesnand]

Oh OK, Thank you for your help during this Kees

Thanks~