Hey everyone,I have an Isco Series D Pump Controller (which is connected to an Isco Model 100DX Syringe Pump) that I would like to control using RS232 on Labview. I do not have their LabView Toolkit which Teledyne has mentioned in their Technical Bulletin (TB06). Also, I would like to automate my test,so using the Labview Toolkit wont be of too much help either. The problem I am facing is not being able to communicate with the controller either via hyperterminal or LabVIEW. I have ran their built in serial test (mentioned in TB06) and it communicates as expected. I have also tried running their Remote Pump program (mentioned in Teledyne's Technical Bulletin 19 - TB19) which seems to do what is expected as well. I tried talking to it using LabVIEW first using the vi I have attached, and I saw nothing on the read buffer. So I moved to hyperterminal. But when I try to send the 'remote' command listed in TB19, it does not seem to do anything. There is no response on the hyperterminal. There is mention of some DASNET protocol, and I found the .dll file which I also moved to my Windows System 32 folder. It didn't work even after that too. I have attached TB06 and TB19. Let me know if you have any other ideas how to test it. Please let me know if you need further information. Thanks, Sandeep

Hey everyone, After going through their manual better, I found out the way to properly send a frame. The manual at, www.isco.com/pcfiles/PartPDF/SL000004/UP00194U.pdf , section 7 specifically, covers it. For the purposes of anyone who stumbles upon this thread, here is an example. If you have your , destination ID (pump controller) = 1 message source (computer) = 00 and you are trying to send the message REMOTE which would switch the controller to 'REMOTE' mode. Then you would send '1R006REMOTE1B' ,where 1 is the destination ID R is just to acknowledge previous message received 00 is the ID of the computer 6 length of command 'REMOTE' the command itself, has to be in CAPS 1B checksum (which changes with command of course) And you can do the same thing in LabVIEW, you can input '1R006REMOTE1B' at the Write VISA while keeping everything else the same as the snapshot of the vi I sent previously. Dennis, I actually don't have the CD itself, but I assumed it wouldn't have nothing more than an executable since I downloaded their LabVIEW pump driver demo (http://www.isco.com/products/appnotes.asp?PL=105 under software utilities). I am currently trying to locate the CD here at the lab, and I will update this thread if I find anything useful. I guess my problem has been solved. Thank you Dennis for your input in this. Regards, Sandeep

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