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<== Date ==> <== Thread ==>

Subject: Re: EPICS support for OMRON PLC SYSMAC CJIM CPU12-ETN Ethernet communications? CryoCon RS-232?
From: Wesley Moore <wmoore@jlab.org>
To: Jay Steele <jsteele@xradia.com>
Cc: "tech-talk@aps.anl.gov" <tech-talk@aps.anl.gov>
Date: Mon, 16 May 2011 07:45:43 -0400
Jay Steele wrote:
Hi EPICS folks,
Has anybody developed a EPICS module to communicate with the OMRON PLC SYSMAC CJIM CPU12-ETN using Ethernet TCP/IP sockets? I'm prepared to develop such a module using the asyn framework, but wanted to check if anybody has done this already. We use the OMRON PLC for cryogenics and vacuum control for our bionanoprobe X-ray fluorescence instruments. I see references to Omron PLCs on the EPICS website from Paul Hamadyk and Mauro Giacchini, but only for RS-232 communications. Has anybody developed a EPICS module for RS-232 communications with CryoCon temperature controllers? Again I'm prepared to develop such a module using the asyn framework, but wanted to check if anybody has done this already. Thanks,
Jay Steele
Xradia Corporation
Jay,

I've got a driver that I've been using for years with no problems. Uses the FINS protocol over TCP/IP (not using asyn). It originally came from KEK, but I did some modifications to it since then.
Wesley
FEL, JLab
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title:FEL Computer Scientist
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References:
EPICS support for OMRON PLC SYSMAC CJIM CPU12-ETN Ethernet communications? CryoCon RS-232? Jay Steele

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