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Central unit with 1x BUS, 1x MODBUS - CU3-10M


EAN: 8595188185219 | Code: 8521


  • CU3-10M is one of the basic system control units of iNELS BUS installations.
  • The unit can work independently, as an autonomous project, or it can be controlled by the IP-MASTER as part of a larger project.
  • The unit is equipped with one BUS to switch it is possible to connect up to 32 elements from the iNELS BUS portfolio.
  • The current load of one line is max. 1 A. BPS3-01M with 3 A can be used in the case of a connected device with more than 1 A.
  • The CU3-10M system unit is equipped with one Modbus system bus. The Modbus system bus allows control of Modbus thermostat and Air condition units (RS-485).
  • The RJ45 100 Mbps Ethernet connector is used for direct communication with the cloud for mobile app control or for communication with the superior unit within the iNELS IP topology.
  • Configuration takes place in the iNELS3 Designer & Manager software (iDM3). Through iDM3 it is possible to update the firmware of central units and bus connected peripheral units.
  • The central unit is implemented with MQTT protocol for 3rd party communication. 
  • The unit is powered by 27 V DC from iNELS power supply. 
  • System units CU3-10M in 1-MODULE design are designed for mounting into a switchboard on DIN rail EN60715.



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