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OPC Server for Modbus

 

Problem:
My tags will not validate! What should my tags look like?

Solution:
For a detailed description of the item ID syntax, please see section 4 of your user manual (page 61).
 
When you connect to Modbus and attempt to browse it, the OPC Server will provide you with a hint tag.  This hint tag will be similar to the following:

Test.4:1-65536, or PLC limit
 
Take the text "1-65536, or PLC limit", and replace it with your register number.  The actual tag will look something like this:

Test.4:57

For advanced tag syntax options, check out section 4 of your user manual.

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