Device identification
- Device name: Shelly Plus Add-on
Short description
Shelly Plus Add-on (the Device) is a galvanically isolated sensor interface to the Shelly Plus devices.
Main applications
- Residential
- MDU (Multi Dwelling Units – apartments, condominiums, hotels, etc.)
- Light commercial (small office buildings, small retail/restaurant/gas station, etc.)
- Agricultural (greenhouses, hotbed, nurseries, ranches, etc. )
- Government/municipal
- University/college
Future integrations
- Amazon
- Samsung SmartThings
Device electrical interfaces
Inputs
- 1 analog input: ANALOG IN
- 1 digital input: DIGITAL IN
Output
- 1 reference voltage output: VREF OUT
- 1 reference voltage through a pull-up resistor output: VREF + R1 OUT
- 2 ground terminals: GND*
1-Wire interface
- 3 sensor power supply outputs (connected to the same PCB track): VCC
- 3 sensor data terminals (connected to the same PCB track): DATA
- 3 ground terminals: GND*
* Connected to the same PCB ground layer.
Addon interface
- Shelly proprietary serial interface to connect to a Shelly Plus device
Supported sensors
- Up to 5 DS18B20
- Single DHT22
- NTC resistors with 10 kΩ nominal resistance and β=4000 K
- Photoresistors
- PIR sensors
- Soil moisture sensors
- Ultrasonic proximity sensors
- Capacitive liquid level sensors
- Sound detectors
- Other analog sensors with 0 to 10 V output voltage
Specifications
| Type | Value |
|---|---|
| Physical | |
| Size (HxWxD): | 37x42x15 ±0.5 mm / 1.46 x 1.65 x 0.59 ±0.02 in |
| Weigh: | 105 g / 3.70 oz |
| Shell material: | Plastic |
| Color: | Black |
| Environmental | |
| Ambient temperature: | -20 °C to 40 °C / -5 °F to 105 °F |
| Humidity | 30 % to 70 % RH |
| Max. altitude | 2000 m / 6562 ft |
| Electrical | |
| Power supply voltage AC: | N/A |
| Power supply voltage DC: | 3.3 V (from Shelly plus device) |
| Power consumption: | < 0.5 W (without sensors) |
| Output circuits ratings | |
| VCC max. current: | 10 mA |
| VREF OUT max. current: | 1 mA |
| Shelly Plus device firmware capabilities | |
| Shelly Plus Addon supporting devices: |
|
| Temperature reading: | Depends on the DS18B20 or DHT22 sensors |
| Humidity reading: | Depends on the DHT22 sensor |
| Digital input: | -15 V to 0.5 V (True) / 2.5 V to 15 V (False)* |
| Analog input range: | 0 to 100% |
| Analog input report threshold: | 1%** |
| Voltmeter range: | 0 to 10 V |
| Voltmeter report threshold: | 0.1 V** |
| Analog input / Voltmeter accuracy | Better that 5% |
* Logic can be inverted in the digital input settings
** Can be configured in the analog input / voltmeter settings
Components and APIs
Printed user manual
| Sähkönumero | 27 105 06 |
|---|
