PythonAutomationSeries 4 writing your first program

[@muhammadbilalaziz9602]

Hi Tim great video. Just one question. At 23:35 how can we add Python with calls to PYVISA in the language section when we are exporting the sequence?

[@ravindraparmar6653]

You are legend🔥🔥

[@timfairfieldAETestandMeasure]

I hope it is a good legend 😀

[@daveedwards5951]

Tim.....You've connected to and downloaded commands sets for a recent Keysight scope. Can you tell me if I will hit a brick wall connecting an old HP 3455 voltmeter via hpib-USB adapter? Would that work?

[@timfairfieldAETestandMeasure]

The command set is not available for it through command expert. That Instrument may not support scpi at all. I would encourage you to scour the web and see what command sets it uses first. You could possibly do it directly through python if you are able to establish communication with it. But this may be a tough project.

[@daveedwards5951]

OK, How about a MUCH more recent HP/Agilent 6612C power supply. If it is recognized and does support scpi commands, how do I get them "in" to command expert?@@timfairfieldAETestandMeasure

[@elchino835]

Hi Tim, I recently "upgraded" to windows 10 and when exported a simple test secuence to python I get this error: raise errors.VisaIOError(ret_value) if ret_value in self.issue_warning_on: if session and ret_value not in self._ignore_warning_in_session[session]: warnings.warn(errors.VisaIOWarning(ret_value), stacklevel=2) It used to work well with windows 7

[@timfairfieldAETestandMeasure]

Hi. Sorry just saw this. Did you update Pyvisa? What version are you running?

[@timfairfieldAETestandMeasure]

I would encourage you to contact the Keysight support team. It is very possible your Python isnt setup correctly. But if it worked before the upgrades. check firewall and security.

[@syedshakeel4657]

Hi Thanks a lot for the osm tutorial :) I have one query on this can i able to connect Keithly SMU using Keysight connection expert? Or how make keithly SMU automation? Plz reply

[@timfairfieldAETestandMeasure]

I don’t have a Keithley SMU. Command expert allows you to put generic scpi commands in the list. In addition you can use pyvisa to attach in a similar way to the Keithley. I am not sure how connection expert would do seeing other vendor’s instruments. I do seem to recall seeing it discovering other vendor instruments. But there is a generic entry (use the command set scpi99) when setting up in Command expert for scpi. You just need to know the commands you need. scpi has a generic command set that all instruments use like *idn and then there are instrument specific commands. You can need to know those and enter them as a “command” entry. And it will work.

[@vjyothsnapriya]

How to install keysight waveform generator and command expert in pc

[@vishnusudheer6049]

Hii I tried installing pyvisa in pycharm The command rm=ResourceManager() is showing an error stating that module visa has no attribute ResourceManager. Can you tell me what is the issue

[@JesseMProductions]

Hello, would I be able to use these methods for controlling a R&S®NGA100 power supply?

[@timfairfieldAETestandMeasure]

Yea you could select Scpi99 as your instrument and there will be generic commands. from there you could export etc. You would need the R&S programmers guide for instrument specific commands as the Keysight library wouldn’t have those. I may be putting out some instructions on 3rd party instruments using the same workflow in the near future.

[@kunaiidiot]

there some weird double audio going on ~27:39 but good video nonetheless

[@timfairfieldAETestandMeasure]

yeah new video setup, Ive since fixed that in later videos , thanks for pointing it out. It was second audio channel duplicating the first.

[@sobbsaroonie]

I can't find a command set for a GWInstek MFG-2260M Function Generator, Very frustrating....

[@timfairfieldAETestandMeasure]

Is there a programming guide for that instrument? Most instruments with SCPI implement a standard SCPI library where you can "borrow" from another instrument's library and by looking at the programming guide you can deduce the instrument-specific calls as well. Also, a good place to look is code online. I will have a future video coming that will show how to reverse engineer SCPI code in that way "Clone and own" style to get an old piece of bench equipment working through automation. Would that be of interest to you?

[@rohithvemulapally1350]

Hi , can i connect this python with jenkins to automate the testing of microcontroller pins with a waveform generator which requires a special waveforms which are created with a code?

[@timfairfieldAETestandMeasure]

you probably can. I haven’t tried Jenkins and I just took a quick overview. if it has python extensions it should work. I may take a look at it in the future. The scope of this series was just to help people get started and show it isn’t so daunting. I probably will refresh this series in a few months to update the install and the minor issues with Python 3.7 and 3.8.

[@rohithvemulapally1350]

@@timfairfieldAETestandMeasure Okay, thanks. But can i create a program sequence for non kesight devices on Keysight command expert?