Hi I am trying to connect a Lock In Amplifier - Manufacturer: AMATEK , Signal Recovery 7270 DSPLock In Amp.I downloaded their drivers and labview codes to check interfacing of the device. When I run the main vi, it runs and shows no error code but the magnitude and phase data can not be read on the front panel (OUTPUT), which I expect it should read from the Lock In. I checked the block diagram,there is a sub vi called: initialize.vi which gives an error code: -1223 , LabVIEW: Instrument identification query failed. How do I get rid of this error. what does it mean? Lock is connected to MAX, it shows device is running properly and also the VISA interactive control worked fine. I am attaching the .llb file for this Lock In. Main vi (orginal by AMATEK)is saved by file name: SR7270 Front Panel-Single Reference Mode.vi I want to plot the Oscillator Frequency against the Osc. Amplitude but as OUTPUT is not showing a change in data, graph is also not showing any data. Can anyone please suggest what is going wrong in the vi.

LabVIEW

signal recovery 7270 lock in

Maybe the 7270 Lock-in Amplifier's driver is not right.you should completely remove the original error driver.Then install the right driver from AMETEK.

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LabVIEW

signal recovery 7270 lock in

Re: signal recovery 7270 lock in