How to connect QL355TP Power Supply

Greetings,
I am trying to get a TTi QL355TP to connect through the USB connection to Labview. I have downloaded the driver for this instrument but whenever I try to run TQLP initialise (or any of the VIs) I get the error message Initialize.vi<ERR>Driver Status: (Hex 0xBFFA0000). I am using a port named COM9 which I can get to work through NI-VISA by setting the correct baud rate (19200) to respond to an IDN? enquiry. However when I try to use this in the resource name (ASRL9::INSTR) - i recieve the above error message. Am i missing a step out (maybe setting the baud rate) on Labview?. Any help would be much appreciated
Many Thanks
Graeme Smith

I don't think you need to define the instrument in MAX unless you wanted to use the IVI class driver instead. Since you are using a serial connection, I'm wondering whether TT added serial support in their driver. I might be worthwhile sending them a query to see if they did.
One of the things I dislike about IVI drivers is that you need CVI to edit them. I have CVI but not on the pc I'm using right now. I'll try to find some time to get to that pc and look at the source code but I can't promise when I can do that. I'm assuming that the download page is http://www.ttinst.co.uk/downloads/drivers-download.htm. Exactly which driver are you using?

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Have a nice day,
dear friends, I have done some basic programs before in LabView, my project is now to connect Agilent E3631A DC Power Supply serially and sending/recieving data(my aim to change input voltage from the computer without touching the hardware device).
I actually already connected the Power Supply to my computer ,I also downloaded driver of it from Agilents web site.
So the only thing is now to establish the connection in LabView.
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With best wishes
Message Edited by Support on 11-09-2007 08:29 AM

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Ed Dickens - Certified LabVIEW Architect - DISTek Integration, Inc. - NI Certified Alliance Partner
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How to connect QL355TP Power Supply

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