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From: josan on 19 Jan 2006 14:42
hi,
i need help regarding sr400 two channel gated photon counter(SRS)
my problem is:
i open getting start wizard ,it shows.
hardware presence verified
software  "        ''          ' '
interface sequential verified
upto here it is ok .but when i goto max and open NI488.2 communicator and write string in send string(*IDN?), IT GIVE ERROR
iberr=EABO
i tried the same with interactive control and when i write
GPIB0: ibwrt" *idn?"
it gives
[c100] <errtimo cmpl>
error: EABO
count : 0
so can u plz tell how to tackle that problem.
thanks
From: josan on 19 Jan 2006 16:11
ya i also thought that.but how to check command in manual that it exist.
i have downloaded the driver of sr400 from ni website.i am sending u the mannual can u plz tell which are the commands that  i have to use
thanks
josan


SR400m.pdf:
http://forums.ni.com/attachments/ni/170/162214/1/SR400m.pdf
From: xseadog on 19 Jan 2006 16:43
Hi Josan
if you check the pdf file then you will see that the appropiate section starts on page 53 titled SR400 with the GPIB interface.
Unfortunately the *IDN? is not available.

If you check the example program on page 54 that is written in basic
you can 'cut' the essential commands and utilise to interogate
the instrument.
Looking at the code it might be possible to use following string-
The following command should be sent as a string
IFC UNT UNL REN MTA LISTEN 23 SDC
  : the 23 refers to instrument address. Change to instrument address

Has the local remote button disabled the front panel keys?
If so you have established contact.
The actual example set up the instrument up to 10 Mhz.
Suggest the you have NI spy running at the same time, as this provide
further help with debugging. Any lines in red indicate a problem.

Go for it

xseadog
From: josan on 19 Jan 2006 17:42
hi xsea,
well it give the same EABO error
when i send  IFC UNT UNL REN MTA LISTEN 23 SDC as a string in communicator it gives the sme error.
my instrument  gpib address is 23. i am sending u the ni-spy capture ,it also shows the same error.
 
thanks


Capture1.txt:
http://forums.ni.com/attachments/ni/170/162244/1/Capture1.txt
From: xseadog on 20 Jan 2006 05:41
Hi Josan
have you checked that SR400 is in the liasten mode?
Requires an L4 command according to pdf file.

You could try manualling starting the counter then sending a CR command which would reset the counter !!

xseadog
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