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davidtorati

Converter Modbus To Siemens

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Hello I have to add a PLC with Modbus protocol to an HMI application that talks with Siemens PLC's Is there a converter from Modbus to the protocol of Siemens Can you tell me what kind of communication protocol Siemes is using. Thanks David

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Siemens PLCs "talk" many protocols. You have to be more specific to let someone help you. Write what type of PLC, HMI, how they are connected.

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Hi The type of Siemens PLC is S7-200 cpu 224 The HMI is Wizcon of Axeda company

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The S7-200 can talk Modbus master and that code can be found on the forum. The PLC can also talk as a slave which you can purchase the Modbus library for MicroWIN for it. Although, I would see if your HMI can talk PPI because that will be a lot less engineering than creating code in the PLC just to talk to the HMI. Good luck!

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