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Author Topic: R&S CMU200 with Arduino GPIB interface?  (Read 1980 times)

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Offline RingmodulatorTopic starter

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R&S CMU200 with Arduino GPIB interface?
« on: September 21, 2019, 01:17:47 pm »
Hi,

has anyone suceeded in controlling the CMU200 with a simple Arduino GPIB interface?
like
http://egirland.blogspot.com/2014/02/arduino-uno-as-usb-to-gpib-adapter.html
or the AR488 variant here from eevblog?
This emulates a Prologix interface.
I would like to use it with R&S FreRes.

I have almost no experience with GPIB. Maybe it works only with a Visa Interface?

Any input is welcome.

Chris
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Offline m.p.h

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Re: R&S CMU200 with Arduino GPIB interface?
« Reply #1 on: February 27, 2021, 06:22:03 pm »
Hi Chris,

did you make any progress with your project?

Michael
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Offline colorado.rob

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Re: R&S CMU200 with Arduino GPIB interface?
« Reply #2 on: February 28, 2021, 02:38:21 pm »
The inexpensive USB-GPIB adapter available on Aliexpress works well.
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Offline ps

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Re: R&S CMU200 with Arduino GPIB interface?
« Reply #3 on: February 28, 2021, 04:27:32 pm »
These DIY adapters emulate a Prologix GPIB interface. In your PC's device manager these show up as a serial COM port. You can use it with any tool that supports serial resp. Prologix-compatible interfaces. Like the KE5FX GPIB Toolkit.

These adapters do not work with anything that expects a VISA interface, i.e. a National Instruments or Agilent GPIB card.
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Offline colorado.rob

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Re: R&S CMU200 with Arduino GPIB interface?
« Reply #4 on: February 28, 2021, 05:13:21 pm »
They work great if you are just writing your own Python code to control the instrument.  But, yes, if the goal is to use FreRes or other "pure VISA" tools, I don't think it will work.
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Offline RingmodulatorTopic starter

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Re: R&S CMU200 with Arduino GPIB interface?
« Reply #5 on: February 28, 2021, 05:21:03 pm »
Hi Michael,

I have bought one of these notorious 82357B USB-GPIB Interfaces.
I can report, that it works.

Chris
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