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Modbus scan software

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I have a problem when using modbus scan software such as modscan32 or mdbus when connecting to PLC through serial link all is ok however through ethernet I got the error modbus/TCP connection failed!

Any idea of what could be the problem?

Thank you!
asked Jan 2, 2019 in Modbus and Industrial Automation by triviaux38 New to the Community (0 points)

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1 Answer

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CAS Modbus Scanner is a utility to retrieve coils, inputs, holding registers, and input registers from a Modbus-enabled device. Values retrieved from the device can be viewed in many different formats, including Binary, HEX, Uint16, Int16, Uint32, Int32, and Float32.
answered Aug 2, 2019 by ruhhana New to the Community (1 point)