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OPC UA and I/O box
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Pejman Hanifi-Moghaddam
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02/02/2024 - 04:26
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Hello, I am new to the OPC-UA world but could really use help. I have a spectroscopy device that is controlled by a software installed on a dedicated computer. This machine has an OPC UA server, which you could also see and control in the software. I would like to connect another device (call it B) to start and stop software that controls my spectroscopy machine (call it B). The device A has a dedicated I/O box that has to be connected to the computer controlling B. The connections on I/O box are two 9 pin connectors, digital and analog (please see the link for device A (https://cdn.cytivalifesciences.....2-original). I used an Ethernet cable on the other side to connect 9 pin connector for this I/O box to the computer for device B. I sued only two in and two out. As you can guess, nothing happened. Do I have to install the OPC UA server or client  on computer A? Any suggestions on where to begin? Thanks a lot in advance

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Randy Armstrong
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02/02/2024 - 06:14
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It appears the UNICORN s/w running on another machine uses some unknown protocol to communicate with the I/O box via the Ethernet cable. You will have to install the UNICORN s/w to make any remote use of box unless you can figure out what protocol is used to talk to the I/O box.

If the UNICORN s/w has a OPC UA server you could then use any OPC UA client to talk to it.

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Pejman Hanifi-Moghaddam
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02/05/2024 - 02:05
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Thanks Randy. You can install an OPC UA server from them. Aren't there any generic OPC UA server software programs that could be installed on a computer and add different devices to it? 

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Randy Armstrong
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02/06/2024 - 05:59
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There are lots. KepServerEX, Matrikon Data Broker and many more.

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