I have located a similar .vi to what I'm looking for named "cn8202temp_controller.vi" out there, but cannot seem to find anything comparable for the CN7800 series.Omega puts out software named "CN7-B.exe" that does the job, but I'd strongly prefer to integrate this into my LV / SCXI system and leave one window up for control / acquisition of all processes.I am hoping that I don't need to rewrite this from scratch, as I'm not all that well-versed in RS485 communications. I've got 4 CN7523s and 1 CN7823 that I will be communicating with, so port mutliplexing or a port hub will be in order. How can I proceed with this?

Instrument Control (GPIB, Serial, VISA, IVI)

Ashish,

Here's a link to the differnce between ASCII and RTU. Keep me posted with your modifications.

Tim O

Applications Engineer
National Instruments

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