Re: EPICS to WAGO PLC using Ethernet MODBUS

["Bob Dalesio" <ldalesio@lanl.gov>]

On Fri, 21 Nov 2003 20:59:39 -0600
 "Elder Matias" <Elder.Matias@lightsource.ca> wrote:
> John/Eric,
>
> We are willing to provide you with a copy of our version. 
> At CLS we run
> most of our IOC software under either RTEMS or Linux.  In 
> this
> particular case the driver is written for RTEMS and has 
> primarily been
> used to talk to MODICON Momentum PLCs and a few other 
> related
> applications, such as power meters from PML.  We are also 
> willing to
> look at merging in changes you may have made.
>
> If there is wider interest I can have the driver and 
> design note tossed
> onto an ftp site.
>
> Elder Matias
> Canadian Light Source
> University of Saskatchewan
>
> -----------------------------
>
> John Maclean <jfm@aps.anl.gov> 
> Subject: Re: EPICS to WAGO PLC using Ethernet MODBUS 
> From: Eric Williams <ECWilliams@lbl.gov> 
> Date: Fri, 21 Nov 2003 10:10:32 -0800 
> Cc: tech-talk@aps.anl.gov 
> In-reply-to: <3F5E1DB4.8E25E86C@aps.anl.gov> 
> References: 
> <Pine.LNX.4.55.0309091451280.4764@kryklinuxb.desy.de>
> <3F5E1DB4.8E25E86C@aps.anl.gov> 
> User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; 
> en-US; rv:1.4.1)
> Gecko/20031008 
>
> John,
> Can you please email me with a place where I can get 
> this?
> I think the EPICS community should settle on one of these 
> to concentrate
> their efforts on. I've been doing a survey of PLCs with 
> Ethernet field
> bus capability, and MODBUS over TCP/IP is the most common 
> protocol in
> the market.
> --
> Eric Williams
> Advanced Light Source
> Lawrence Berkeley Lab
>
> John Maclean wrote:
>
>
> I have Ethernet-MODBUS support which is based on code 
> obtained from the
> Canadian Light Source. The CLS code is written to run on 
> RTEMS and
> supports Modicon PLCs.
> I modified it to be OS independent, to work with 3.14.2 
> and to add
> support for Siemens power meters.
> John.
>
> Vladis Korobov wrote:
>
>
>
> Hi all,
>
> I have to connect from EPICS to WAGO System PLC using 
> MODBUS protocol
> (via Ethernet).
> Has anybody any software for such kind of communication?
>
>
> Any suggestions and advise will be appreciated,
> -----------
> Vladislav Korobov
> MKS-2 Group, DESY
> Notkestr. 85
> 22607 Hamburg, Germany
> tel. +49 40 8998 3947
> e-mail:vladis.korobov@desy.de or
>        korobov@mail.desy.de

Bob Dalesio
ldalesio@lanl.gov
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