EPICS Home

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  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 
<== Date ==> <== Thread ==>

Subject: EPICS and large CAN systems
From: Elliott Wolin <wolin@jlab.org>
To: tech-talk@aps.anl.gov, Marty Kraimer <mrkraimer@comcast.net>
Cc: Hovanes Egiyan <hovanes@jlab.org>, Matthew Shepherd <mashephe@indiana.edu>, Elton Smith <elton@jlab.org>
Date: Wed, 16 Mar 2011 09:16:14 -0400
To all EPICS CAN experts,

We are about to construct a 3000 channel CAN system. Please contact me if you have any experience controlling CAN buses from EPICS.

Our current thought is to use about 8 Anagate Ethernet-to-CAN controllers, four channels per controller, to talk to the CAN devices, about 100 devices per CAN bus. We'd use the ASYN framework to implement the driver that talks to the Anagate devices (they communicate via TCP/IP).

I am open to suggestions and alternative solutions. I am especially interested in existing drivers for any type of Ethernet-based CAN controller so that we can avoid writing a new driver.

Also, is the ASYN framework the best choice if we have to develop a new driver?

Finally, to Marty Kraimer et al: is the Java IOC and port driver framework ready? Might we use this instead?

Thanks,

--

				Sincerely,
					Elliott


================================================================================


Those raised in a morally relative or neutral environment will hold
		    no truths to be self-evident.
Elliott Wolin
Staff Physicist, Jefferson Lab
12000 Jefferson Ave
Suite 8 MS 12A1
Newport News, VA 23606
757-269-7365

================================================================================


Replies:
Re: EPICS and large CAN systems Burkhard Kolb
Re: EPICS and large CAN systems Rod Nussbaumer

Navigate by Date:
Prev: RE: Autosave config file Abadie Lana
Next: Re: EPICS and large CAN systems Burkhard Kolb
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 
Navigate by Thread:
Prev: KEK/J-PARC after the eatrhquake on March11 上窪田@KEKTokai
Next: Re: EPICS and large CAN systems Burkhard Kolb
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