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Opentherm to Modbus gateway

Neuron

Opentherm to Modbus gateway module allowing control of OpenTherm boiler with UniPi v 1.1 and UniPi Neuron control units.


133,10 €
110,00 € excl. TAX
More than 20 items in stock

pcs

Opentherm to Modbus gateway module allowing control of OpenTherm boiler with UniPi 1.1UniPi Neuron and UniPi Axon controllers. The module is a gateway for linking systems with Modbus RTU RS485 (EIA-485) communication and boilers with Opentherm+ (OT+) and thermostats. It allows to either monitor data flow between thermostat and boiler or to control the boiler directly. We recommend connecting this module to UniPi v 1.1 via USB-RS485 Convertor.

Device modes

  • Monitor: module is only monitoring communication between boiler and thermostat
  • Controller: in this mode, it is also possible to control the parameters of the boiler by writing to Modbus registers

Modbus RTU RS485

  • Configurable address
  • Speed 9.6 / 19.2 kbps
  • Parity E / N
  • Optional use of terminating resistor
  • Up to 7 gateways in one Modbus line

Functions in monitoring mode

  • OT boiler and thermostat interconnection
  • Extending the OT communication channel

Communication Module MM-OT101 is mostly used for control and monitoring of OpenTherm boilers in HVAC (Heating, Ventilation, Air Conditioning) and energy management systems. It uses 5-24V DC power supply and can be mounted onto DIN rail (35 mm).

Documentation

Datasheet
Technological specification of the product
download
Manual
How to set up and use this device
download
Certification
Declaration of conformity
download

Dimensions 53 mm × 90 mm × 58 mm
Power 5-24 V DC
Power consumption Max 750 mW
Weigth 85 g
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