Hi Carsten,
Great to know that! Now I have a clearly idea of how I have to deploy the network.
But my problems has not finished yet: I get the next error message when I am executing camonitor within the MicroBox:
SAI:STATUS *** Not connected (PV not found)
CA.Client.Exception...............................................
Warning: "Identical process variable names on multiple servers"
Context: "Channel: "SAI:STATUS", Connecting to: 192.168.20.2:5064, Ignored:
IFMIFMICROBOX:5064"
Source File: ..\cac.cpp line 1297
Current Time: Mon Nov 25 2013 13:50:02.666748232
SAI:STATUS 2013-11-25 13:50:02.378366
..................................................................
My MicroBox has two network interfaces: the first one connected to the PLC (192.168.29.2) and the second one connected to the linux PC (172.31.110.199).
I have read the same problem by the Internet and people suggest setting the variables EPICS_CA_AUTO_ADDR_LIST=NO and ECPIS_CA_ADDR_LIST=<Broadcast address> but I do not know if it is possible in OpcIocShell.
Could you help me with that?
Thank you very much,
Antonio Borondo
-----Mensaje original-----
De: Carsten Winkler [mailto:[email protected]]
Enviado el: lunes, 25 de noviembre de 2013 12:52
Para: [email protected]; [email protected]
Asunto: Re: Error database DTYP
Hi Antonio,
you need only one soft IOC (the one at the MicroBox). In your case you have to run the OpcIocShell to have an interface between OPC and EPICS.
At Linux you only need channel access clients as caget, camonitor or higher level clients. A standard soft IOC doesn't support the DTYP "OPC". This is a special feature of the OpcIocShell.
Hope this resolves your problem
Carsten Winkler
Am 25.11.2013 11:46, schrieb Antonio Borondo:
> Hi all,
>
>
>
> I am trying to deploy an EPICS network between a linux PC, a MicroBox
> with OPC Server and a Siemens PLC.
>
>
>
> The MicroBox basically gets the registers from the PLC, stores them
> into OPC Server database and after puts them into EPICS database using OpcIocShell.
>
>
>
> On the linux PC side I have developed the EPICS IOC which loads the
> same data base.
>
>
>
> My problem comes when I start my IOC and I get the next error message
> for each PV of the data base:
>
>
>
> Can't set "<PV NAME>.DTYP" to "opc"
>
> Error at or before ")" in path "." file "opc.db" line x"
>
>
>
> Any ideas about how to resolve it?
>
>
>
> Thank you very much,
>
>
>
> Antonio Borondo
>
>
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