MODBUS Decoder

HScope provides support for Modbus RTU over RS485.

Frame Format

The set of function field and data field is called Protocol Data Unit (PDU) and represents the useful part of communication.

HScope can recognize the following functions:

Decoding in HScope

  • Input range: at least 5V
  • Sampling rate: at least 100KSa/s for a baud rate up to 19200, 500KSa/s for 112500
  • Use the digital module to enable the decoding

Sample of HScope decoded data:

Martinloren