MolSmart – RS485 Presence Sensor

Integrates MolSmart RS485 presence sensors with ELAN as security zones, with automatic pairing and addressing from the sensor button.

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MolSmart – RS485 Presence Sensor – driver Nice Elan

This driver integrates MolSmart RS485 presence sensors with ELAN. Each sensor appears as a Security Zone, ready to use in scenes and automations.

A single driver serves every sensor on the bus. When the pairing button of a new sensor is pressed, the driver assigns it an address and creates the matching zone, with no manual setup.

Features

  • Each sensor becomes a Security Zone (Faulted = presence detected)
  • Automatic discovery and addressing from the sensor pairing button
  • Several sensors on the same RS-485 bus, with a single driver
  • Zone number equal to the sensor ID (sensor 0001 = Zone 1)
  • Sensor registry kept across controller restarts
  • State of each sensor and time of the last change in the Configurator
  • Communication test and pairing buttons on the driver page
  • Diagnostic log right in the Configurator (Debug Log field)

Requirements

  • Controller serial port connected to the sensors' RS-485 bus
  • Sensors paired one at a time

Release notes

  1. 2026.10.13

    Fix: the sensor registry was lost on every startup and the zones were created again. Zone number equal to the sensor ID. New Sensor Status fields (state and time of the last change of each sensor) and Debug Log (diagnostics in the Configurator, without the Trace utility). Test Communication and Pair New Sensor buttons. Driver communication status and zone sync at startup. Licensing library update.

  2. 2026.07.20

    Initial version.

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