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#1 2016-04-02 16:34:17

deepak
Member
Registered: 2015-11-27
Posts: 9

Fetching data from another DCS system through OPC

Hi,

I am unable to understand how to write data into a Rex function block from another DCS system.

I had gone through the REX OPC manual. I am able to see all the REX function blocks and the real time values of my code using COGENT data hub OPC client software.

I need to write 4 analog values from the Metso DCS system into REX for further processing by REX. Can somebody guide me with any example of how to fetch data from a third party PLC or DCS system into REX through OPC.

Thanks !

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#2 2016-04-02 21:21:50

josar
Member
From: Czech Rep.
Registered: 2015-11-03
Posts: 17

Re: Fetching data from another DCS system through OPC

Put 4 CNR blocks into your REX algorithm and then write to e.g. "yourtask.CNR:ycn" from the OPC client software.

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#3 2016-04-03 11:37:57

deepak
Member
Registered: 2015-11-27
Posts: 9

Re: Fetching data from another DCS system through OPC

Successful smile

Thank you Josar !

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