LabVIEW driver for watlow'96

[Beginer LabVIEW programmer]

Hello

I need to set and read temperature to/from Watlow '96 using LabVIEW. From this discussion forums I found library files called Watlow96.llb written and posted by Brian Vibert (Thanks Brian). I tried to run it using RS232-RS485 converter (RS232 in my PC). However, I got the following error: Serial port timeout; bytes not received at serial port.


My settings are Baud rate: 9600, timeout: 10sec, data bits: 8, stop bit: 1; Parity: None and flow control: none.

Can any one help me sorting out this matter.

Thank you for your help.


Nur

[AaronK]

Hi,

It seems that data is not getting to your computer and consequently is timing out. Check that your settings agree with the device that you are talking to. Attempt to verify this by some other method like hyperterm if that is available. If this isn't available try a LabVIEW example program. Once you are sure that your hardware is working, come back to the driver.

Hope this helps out!

Best Regards,
Aaron K.
Application Engineer
National Instruments

[csmrunman]

Hello,

I have also downloaded the Watlow96.llb driver. I have attempted to set and read the temperature from the Watlow96, as well, using LabVIEW. When I run the vi, the Watlow is outputting information to the front panel. However, the temp display shows values that are jumping all over the place, and not anywhere close to anticipated values. So, I know that the Watlow is communicating with the vi because it appears to be receiving this random output, but I don't quite know how to use this driver to get realistic numbers. Do I need to create more coding so that this driver knows how to handle the incoming data from the controller? It seems to me that if the driver was created solely for the 96 series controller, I should be able to paste this driver right into the rest of my vi. If I am completely wrong, please help point me in the right direction. I have a decent grip on general programming with LabVIEW, but I am not familiar with the computer science background and operations of the software or controller.

[csmrunman]

Actually,

I was running the wrong driver, so please neglect my previous post. My actual problem comes  with the Watlow96 driver from Brian Vibert. I've got all of the files loaded, but when I run WatTempRead, the error out gives me a CRC error from ModRead.vi, code #6000. I can't quite figure out what this error means. I hadn't changed anything in the codes from Mr. Vibert, I only ran them.  Any help would be appreciated.