Experimental Physics and Industrial Control System
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We use an Acromag device, that has analog inputs, lives on the ethernet,
and talks modbus. Its worked very well for us, is fairly cheap, and is
easy to setup.
Dave
UW Medical Center
On 9/27/11 7:38 AM, Paul Nord wrote:
I need to monitor the pressure in a gas supply bottle. We expect to need to change gas bottles every few days and we'd like to alert the detector operators in plenty of time.
Getting a transducer to produce a voltage is simple enough. I'm a little unclear about the next step: digitizing that voltage and getting that information to our EPICS softIOC. I'd like a simple box that connects to the voltage and also to an ethernet port.
There is an Epics driver for the environment monitor Websensor from Esensors Inc. It monitors temperature, humidity, and illumination. The device can also monitor a voltage reading. I presume it would be easy modify the driver to also get the voltage reading.
Is there another ethernet-based ADC that you would recommend?
There are some nice USB devices. But I don't really want to setup a computer just to monitor one voltage remotely.
I found some nice modular systems from Omega and NI. Alas, there are no Epics drivers.
Paul
- References:
- Simple ADC - Ethernet device? Paul Nord
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ANJ, 18 Nov 2013 |
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