[User Manual] Introduce Pub/Sub

Post by **OpcUa Support** » Mon Nov 21, 2022 4:52 pm

In this page, you can configure the PubSub of AIC OpcUa Server.

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1. PubSub Setting: Change the configure file and server address
2. Default Parameter: Setup parameters

Example: Set up 2 OpcUa Server in 2 computers with the same local network.

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Step 1: Open the program "UaExpert" and connect to 2 OpcUa servers.

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Notice!: The operator should be "Configure Admin" to set Pub/Sub

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Step 2: “Document” -> ”Add…”, Choose “PubSub Config View” document and press button “Add”

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Step 3: Double click “Add UDP Multicast Group” and add a default group “opc.udp://239.0.0.1:4840”

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Step 4: Double click “Add UA Application” to choose “AIC OPC UA 1” (The first OpcUa server) and press button “OK”

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Step 5: Double click “Add DataSet Writer” to create a published dataset “Writer_1”

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Step 6: Drag tags from “Address Space” and drop to Publish dataset

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Step 7: Press button “OK” to apply the dataset setting

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Step 8: Double click “Add UA Application” to choose “AIC OPC UA 2” (The first OpcUa server) and press button “OK”

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Step 9: Double click “Add DataSet Reader”, choose “AIC OPC UA 1 / Writer_1” to create a subscribed dataset

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Step 10: Drag tags and drop to the rows of subscribed tags, and press button “OK”

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Step 11: In folder “Configuration”, press download button and press “OK” to download the configuration to 2 servers

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Verification
Monitor data
Int_0001~Int_0010 from AIC OPC UA 1 (called Zone1)
and
Int_0011~Int_0020 from AIC OPC UA 2 (called Zone2)
When data of Zone 1 changes, the data from Zone2 change, too

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