Hi,
I connect Lock-in Amplifier(SR530) with GPIB-USB.
After I scan device with Measurement&Automation, the address of instrument can be found. 23 based on the manuanal.
but as I send data request commend *Q1"or "QX"..... balala... I cannot get the value from this SR530.
The MAX could find the address while the error code is always -1073807339 as I send the command. I did not get any value from both Channel 1 and Channel 2.
May I know the Labview version you used and "SW1:GPIB Mode Switches" and "SW2:RS232 Mode Switches" of your SR 530?
By the way, have you added a 270 pF capacitor in your SR 530 as suggested from Official website？
I do need your help for this problem. Many THX
Best regards,
SHUEN W
Did you ever got the RS232 /USB communication working with SR530 and response to the commands? Is instrument indicating remote mode after getting command? If not there must be some fundamental mistake in sending the command syntax. Please check the time out value and assign sufficient. I suggest to carefully check the command sequence with end and termination character. All the instruments may not have the same termination character value.
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