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Modbus RTU Master
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Modbus RTU Master is a Modbus master simulator designed primarily to help developers of Modbus slave devices or others that want to test and simulate the Modbus protocol.

Watch the demonstration video:
https://youtu.be/aXNQNeaJCtw
Modbus RTU Master supports the following functions:
  • ​Function 1 - Read Coils
  • Function 2 - Read Discrete Inputs
  • Function 3 - Read Holding Registers
  • Function 4 - Read Input Registers
Features:
  • Each Modbus request is fully configurable
  • Register display supports 16, 32 and 64 bits (1, 2 or 4 Modbus registers)
  • Reading can be executed once or repeatedly via a configurable scan time
  • Each Modbus request can be saved to a file
​The register contents can be displayed in multiple formats:
  • Decimal (signed)
  • Unsigned
  • Float 32 (IEEE format)
  • Hexadecimal
  • Octal
  • Binary
  • ASCII

Note: A USB-to-Serial converter is required to connect the Modbus RTU Slave device.
For support and questions please check the support forum or email support@apphugs.com
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