Modbus

Modbus TCP/RTU Client (Master)

Data can be read from any Modbus TCP/RTU controllers and consumption meters via the Modbus TCP/RTU client integrated in RmCU/MiDASS.

  • Connection of up to 31 Modbus RTU devices
  • Connection of up to 250 Modbus TCP devices
  • Parallel queries from up to 8 Modbus servers (slaves)
  • Generation and management of device-specific Modbus drivers based on XML.
  • Support for multi-register queries
  • Direct access to Modbus TCP devices
  • Modbus Register data type test for plausibility check

Modbus TCP/RTU Server (Slave)

All recorded measurement data can be made available to other devices via Modbus TCP/RTU server (slave).

  • Provision of up to 65535 mode input and holding registers
  • Parallel querying of up to 16 Modbus TCP clients
  • Support for Set Coils and Set Holding Register functions (commands) for switching the device's own relays or LoRaWAN actuators, or setpoint specifications for LoRaWAN thermostats.
  • Each recorded measurement point can be made available to higher-level systems via its own Modbus device address. The individual measured values ​​can each be assigned to separate register addresses (freely configurable).
  • Recorded measurements can be represented using different data types (float, int, uint, double, string)

Modbus RTU/TCP – Transparent Access

Transparent access via Modbus TCP/RTU to all connected Modbus RTU and Modbus TCP devices Automatic conversion of Modbus “TCP” → “RTU” and “RTU” → “TCP”

Wireless Modbus

wModbus extends the Modbus protocol with a mesh network for wireless communication. This extension allows the exchange of control and monitoring data between different devices and systems without physical cabling. This simplifies the installation and expansion of automation systems.