Recent content by po456

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    sniff 8 RS485 MODBUS RTU

    hello I need to listen to 8 RS485 modbus rtu networks. I need to retrieve the frames sent by the master and the corresponding slave response. Afterwards I need to send the 2 informations (request + response) to a server that can decode the frames and find the values read by the master on the...
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    endianness for 32 bit data

    Hi MODBUS is Big endian, ok " MODBUS uses a ‘big-Endian’ representation for addresses and data items. This means that when a numerical quantity larger than a single byte is transmitted, the most significant byte is sent first. " For me a 32bit value is without any...