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Search found 7 matches

by ahartmann
November 26th, 2018, 12:47 am
Forum: DMM7510 Graphical Sampling DMM
Topic: Continous display refresh while measuring over GPIB
Replies: 1
Views: 2229

Re: Continous display refresh while measuring over GPIB

I have solved it with the following code for now: :ABORT :TRIGger:BLOCk:NOTify 1, 1 :TRIGger:BLOCk:MEASure 2, "defbuffer1" :TRIGger:BLOCk:BRANch:ALWays 3, 1 :INIT ... :FETCh? "defbuffer1", READ, SECONDS ... :FETCh? "defbuffer1", READ, SECONDS Not sure if this is the best way to do such thing? I have...
by ahartmann
November 8th, 2018, 8:32 am
Forum: DMM7510 Graphical Sampling DMM
Topic: Continous display refresh while measuring over GPIB
Replies: 1
Views: 2229

Continous display refresh while measuring over GPIB

Hello, I want to do some measurements with our new Keithley DMM7510. We have used Keithleys 2002 before, where the commands to read a measurement looked like this: :FUNC 'VOLT:DC' :DATA:FRES? The nice thing was, that between two value reads the display was continously refreshed with the current meas...
by ahartmann
March 31st, 2014, 1:46 am
Forum: Electrometers
Topic: Keithley 6514: IDN problem after Find Listeners
Replies: 6
Views: 20072

Re: Keithley 6514: IDN problem after Find Listeners

Sorry, but I'm having problems again. After it has been working on friday, I'm now wondering if it's a software or a hardware problem. Therefore I attached the C code that performs the scan. Today, find listeners reproduceable fails, it finds the 6514 at it's address (14), but the IDN is never answe...
by ahartmann
March 28th, 2014, 5:38 am
Forum: Electrometers
Topic: Keithley 6514: IDN problem after Find Listeners
Replies: 6
Views: 20072

Re: Keithley 6514: IDN problem after Find Listeners

Hi Norbert,

can you find out how the IDN-Request is terminated?

By LF, LF and EOI or EOI only?

As I said, I've had trouble when only using LF termination.
by ahartmann
March 28th, 2014, 4:47 am
Forum: Electrometers
Topic: Keithley 6514: IDN problem after Find Listeners
Replies: 6
Views: 20072

Re: Keithley 6514: IDN problem after Find Listeners [Solved]

Hi Andrea, Thanks for your reply. Your'e right, I've overseen the fact that I activated EOI at the successful communication... I had, however, LF attached to the IDN in the failing case (please see the PDF mid screenshot) But I've now tested two scenarios which are both working: EOI only and EOI tog...
by ahartmann
March 27th, 2014, 12:00 am
Forum: Electrometers
Topic: Keithley 6514: IDN problem after Find Listeners
Replies: 6
Views: 20072

Re: Keithley 6514: IDN problem after Find Listeners

Ping?

Do you need more information? Is there any workaround I could try?

Best regards,
Andre
by ahartmann
March 21st, 2014, 4:00 am
Forum: Electrometers
Topic: Keithley 6514: IDN problem after Find Listeners
Replies: 6
Views: 20072

Keithley 6514: IDN problem after Find Listeners

Dear Sir or Madam, I try to communicate with a Keithley 6514 in conjuction with a National Instruments GPIB-USB-HS adaptor. While normal GPIB communication works fine, e.g. querying the device's identification: KEITHLEY INSTRUMENTS INC.,MODEL 6514,0705811,A11 Apr 3 2003 11:37:06/A02 /? I have proble...

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