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  • Modbus Register Mapping in YuDash ZENYX.
  • Modbus/RS485 interfacing example
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Modbus RS485

PreviousZENYX SettingsNextAnalog Inputs

Last updated 1 year ago

Modbus/RS485 is a popular serial protocol to read various sensors. YuDash ZENYX is being used to read a variety of instruments, sensors and PLCs for various applications. LYNX provides easy to configure approach for reading field Modbus instruments. Following are the key information points required for a successful read of instrument through Modbus:

  1. Baudrate

  2. Data Bits, Parity and Stop Bit

  3. Slave ID of instrument

  4. Modbus register information to read:

    1. Modbus register numbers and types)

    2. Modbus register data types (Size: integer/float/real. Byte swapping information: LSB/MSB etc.)

  5. Modbus register address.

Modbus Register Mapping in YuDash ZENYX.

Refer to documentation for more details for Modbus settings.

Various Modbus topologies are covered in documentation.

Modbus/RS485 interfacing example

YuDash ZENYX is connected with XY-MD02 temperature and humidity sensor through Modbus/RS485. Refer to integration guide for register mapping.

LYNX Modbus RS485
Modbus protocol
XY-MD02