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Which Modbus TCP/IP driver should we use in Vijeo Designer?

Published date: 10 September 2020

Issue:
It is unclear which Modbus TCP/IP driver to use in Vijeo Designer.

Product Line:
Vijeo Designer (all versions)

Resolution:
To select the correct driver, you must determine if the device you wish to connect to is a Modbus Clientor if the device is a Modbus server. If the device is the Modbus Master, the best driver to use is the Modbus TCP server driver of Vijeo Designer. This makes the HMI essentially the PLC and the device will read the HMI's modbus registers. If the device is the Modbus server, the best driver is to use the Modbus TCP/IP driver. This makes the HMI the Client and the device the "PLC". The HMI will read the device's Modbus registers like a regular PLC,

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