Device name: Shelly Plus Add-on
Shelly Plus Add-on (the Device) is a galvanically isolated sensor interface to the Shelly Plus devices.
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
Amazon
Samsung SmartThings
1 analog input: ANALOG IN
1 digital input: DIGITAL IN
1 reference voltage output: VREF OUT
1 reference voltage through a pull-up resistor output: VREF + R1 OUT
2 ground terminals: GND*
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.
Shelly proprietary serial interface to connect to a Shelly Plus device
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
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Type |
Value |
|---|---|
|
Physical |
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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 |
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Screw terminals max torque: |
0.1 Nm / 0.89 lbIn |
|
Conductor cross section: |
max. 1 mm² / 17 AWG |
|
Conductor stripped length: |
4.5 mm / 0.18 in |
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Color: |
Black |
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Environmental |
|
|
Ambient temperature: |
-20 °C to 40 °C / -5 °F to 105 °F |
|
Humidity |
30 % to 70 % RH |
|
Max. altitude |
2000 m / 6562 ft |
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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 |
|
VREF+R1 OUT resistor |
10 kΩ |
|
Shelly Plus device firmware capabilities |
|
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Shelly Plus Addon supporting devices: |
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Temperature reading: |
Depends on the DS18B20 or DHT22 sensors |
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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 than ±5% |
* Logic can be inverted in the digital input settings
** Can be configured in the analog input / voltmeter settings
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