Hi everyone, first at all, Im very noob with english and labview, I had posted others post when I couldnt connect nothing but now I can connect the devices using a rs232 adapter, I can write commands and the device reponse correctly but the error ocurre when I try to read like *IDN?, the device is enable to do it (In manual). I receive 0 bytes of data and I dont know how to continue. Im trying with the TTI power supply QL355P like this post: https://forums.ni.com/t5/LabVIEW/Problem-with-VISA-Read/td-p/3812605/page/2?profile.language=es The user said that he make his own driver but I dont know how. I wait you can help me, Im doing my job without that but I know that will be more easily if I get it.

Instrument Control (GPIB, Serial, VISA, IVI)

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Hi minions, sorry for the late response, I was in holidays, the configuration should be correct, baud, parity, etc.

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