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I am trying to com with a scope over LAN that supports SCPI. Link is established I can ;

*RST *CLS

but I can't do ;

:MEASure:SOURce CH1

it returns zero. To be more clear ;

a = SCPI(host, timeout=0.5)
a.ask('SYST:ERR?');
a.write('*RST'); a.write('*CLS');
a.ask(":MEASure:SOURce CH1");

returns ;

>> SYST:ERR? 
<<  
>> SYST:ERR? 
<<  
>> :MEASure:SOURce CH1 
<<  
>> SYST:ERR? 
<<

doing *IDN? retuns successfully.

What might be going on ? It's a OWON XDS device.

alexrussell
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y33t
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  • Do you have the programming manual for it? – idanp Apr 29 '17 at 06:33
  • I think most scope are just ":MEASure SOURce 1" and not a "CH1". Ie, Keysight/Aligent scopes are like this. Also, after the ":MEASure", you can do a ":MEASure?" should show an update. Some commands don't return anything. – artless noise Sep 11 '20 at 21:03

1 Answers1

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Check the device you're communicating with. What terminating characters does it require?

Does Measure command require question mark to indicate a request?

It appears that *RST and *CLS are not working. The response is an error.

user8155455
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