Overview Shelly Plus 1 PM (Gen 3/4)

The Shelly Plus 1 PM switches a potential-free contact and measures voltage, current, power and energy. The function block is also used for the versions of the third and fourth generation. With the optional Shelly addon an analogue and a digital input as well as sensors are available in addition.

Inputs
S1 Switch Switches the relay. The effect depends on the corresponding parameter, see below.

Outputs
S1 Switch status State of the push-button or switch connected to the device.
R1 Relay status Actual state of the relay in the device. Is also updated when switching via the Shelly app or the push-button at the device.
V1 Voltage V Mains voltage in volts.
A1 Current A Present current in amperes.
P1 Power W Present active power in watts.
W1 Consumption Wh Meter reading of the consumed energy in watt hours.
AI Addon analogue input Voltage at the analogue input of the addon. Only present when the addon is enabled.
DI Addon digital input State of the digital input of the addon. Only present when the addon is enabled.
T1 Addon temperature 1 Temperature of the first DS18B20 sensor, or of the DHT22 if that one is selected. Only present when the addon is enabled.
T2 Addon temperature 2 Temperature of the second DS18B20 sensor. Only with the setting "+Addon DS18B20".
T3 Addon temperature 3 Temperature of the third DS18B20 sensor. Only with the setting "+Addon DS18B20".
F1 Addon humidity in % Relative humidity of the DHT22 sensor. Only with the setting "+Addon DHT22"; the output then takes the place of T2.

Parameters

MQTT topic Topic of the device, exactly as in the MQTT settings of the device. Example: shelly1pm-AABBCCDDEEFF

Switch Behaviour of the corresponding input. Toggle (rising edge) for push-buttons: every change from 0 to 1 toggles the relay. Toggle (1/0) for switches and for control from the program: the value is applied directly.

Addon Evaluation of the optional Shelly addon. None hides the additional outputs. +Addon DS18B20 shows three temperature outputs, +Addon DHT22 one temperature and one humidity output.
In addition to the outputs listed, the command generate addresses creates an address named timeout. It is set to 1 when the device has not sent a message for a longer period of time.

See also MQTT devices - general.
See also general parameters of all function blocks.