Re: Modbus opc server

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Hi,
thanks a lot ! see i have OPC DA 3.0 specification. i know how modbus
protocol works.
but what i want to know is wht data structure to use for OPC server
cache.
2.how do i store groups & items?
3.how modbus & opc code fit together?
4.is it possible to implement modbus using COM & VC++?

regards,
Nilesh

.

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