EPICS Controls Argonne National Laboratory

Experimental Physics and
Industrial Control System

1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  <20112012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024  Index 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  <20112012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
<== Date ==> <== Thread ==>

Subject: Re: Simple ADC - Ethernet device?
From: Paul Nord <[email protected]>
To: [email protected]
Date: Tue, 27 Sep 2011 10:22:05 -0500
Josh,

The price on the Koyo devices is appealing.

But the EPICS driver seems to be for serial communication, not ethernet.

Paul


On Sep 27, 2011, at 9:50 AM, Josh Stein wrote:

> Although not purpose-built, we often use PLCs for simple analog acquisition. At APS the PLC-Direct brand (basically Koyo) is very ubiquitous.
> 
> 
> 
> On 9/27/11 9:38 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



Replies:
RE: Simple ADC - Ethernet device? Mark Rivers
References:
Simple ADC - Ethernet device? Paul Nord
Re: Simple ADC - Ethernet device? Josh Stein

Navigate by Date:
Prev: Re: Simple ADC - Ethernet device? Josh Stein
Next: RE: Simple ADC - Ethernet device? Mark Rivers
Index: 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  <20112012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
Navigate by Thread:
Prev: Re: Simple ADC - Ethernet device? Josh Stein
Next: RE: Simple ADC - Ethernet device? Mark Rivers
Index: 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  <20112012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
ANJ, 18 Nov 2013 Valid HTML 4.01! · Home · News · About · Base · Modules · Extensions · Distributions · Download ·
· Search · EPICS V4 · IRMIS · Talk · Bugs · Documents · Links · Licensing ·