having trouble to communicate with boxcar through rs232

[buni]

I´m setting up a laboratory configuration in which I use a Boxcar (NI). Right now I´m trying to learn how to use it, but I discovered that the data acquisition is conveniently done through a labview program via a rs232 cable. Can someone tell me more about this design? Is this program suitable for the acquisition of data averaged by the boxcar? 

[Mark_Ramsdale]

What boxcar, I don't see any from NI, what about SRS?  Can you post the program you reference?  RS-232 is fine for a lot of apps, are you asking about RS-232 design?

thanks

[Mark_Ramsdale]

There are instrument drivers for a SRS boxcar ( model 250) and for the Perkin Elmer on the instrument driver network.  

To answer your general question, I would assume if the MFG made the RS-232 that is is a good design for that instrument.

Drivers

SRS

Perkin Elmer

Is this what you are asking.

[buni]

Thank you for your replies!

The Boxcar i´m using is a sr250 (gated integrator) and the computer interface (sr245). I already have the driver from Stanford Research and the labview software to that boxcar. However I can not manage to communicate with the boxcar through the computer. The computer interface (sr245) seems not to be getting any information from the sr250, since no amplitude is displayed in the digital or analog meter. I don´t know what could be happening, any thoughts?

Appreciate your answers,

Thank you!!

[Mark_Ramsdale]

Can you get the instrument to identify itself using MAX or hyperterminal?

What digital and analog meters are you talking about, hardware or software panels?

[buni]

Yes!! The computer does identify the instrument through MAX. The problem I´m having is that the computer interface (rs245) doesn´t communicate with the rs250. I can see this on the analog or digital meters of the rs250 and in an oscilloscope too.

Thank you for your time!

buni

[buni]

hello mark! I have a little problem. The Labview vi (sr245/sr250) I downloaded form NI is for a GPIB connection which I don´t have, and I´m having trouble to get one any time soon. Moreover, the labview vi to sr245, which is indeed designed for a serial connection, doesn´t seem very similar to the first vi I mentioned, It doesn´t have the integrator/averager vi. My question is, is it possible to change the address from GPIB to SERIAL in the vi, in order to use the same vi but with a different connection?

I really am lost in this programming labview thing, and I need it for my laboratory design, so I´d really appreciate your help!

Thank you very much!

buni

[Mark_Ramsdale]

Hi,

You can certainly change the VI from GPIB to serial.  This can involve more or fewer changes depending on how the driver VI is set up.

Could you restate the issue you are having and attach the relevant VI's.  You are interested in upgrading your driver to communicate Via serial.  I'm not sure what the other part of the issue is (regarding the "previous" VI's.)

Also, could you state which instrument models you have Vs. the instrument model for the driver you are using.  It would help me understand the issues. 

[ino_measure]

Now, I see this topic (Too late). I'm not sure whether you already solved your problem with Boxcar Standford Research SRS 245 or not, but in last year we finished project with this instrusment by LabVIEW. If someone have trouble same this guy, please contact directly to us for supporting.

Please refer to link of this project here.

http://ino.vn/en/news/detail/-labview-applications-in-laser-spectroscopy-studies-370.html

In this project, we use Boxcar (model RS 245) and computer interface (model RS 250) of Stanford Research System;  Laser Narrowscan Randiant Dyes

[vahidaa]

Hello,

Actually, I am having the same problem with our SR245..It seems that MAX can see it through GPIB, but it can not communicate with it! It returns "iberr = EABO" error!

And, I can not send any command with the vi I got from NI.com, too!

I would appreciate if you could help me resolve this issue.

Thanks,

Vahidaa