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Ubisys S2 #

Model	S2
Vendor	Ubisys
Description	Power switch S2
Supports	on/off, power measurement
Picture

Notes #

Configuring Inputs #

In case the inputs need to be reconfigured (e.g. to use stationary switches instead of momentary ones) this can be done in the same way as it is being done for the ubisys C4.

Decoupling #

You can decouple the switch input form the state, this allows you to control a group of lights using the switch without cutting the power to the bulbs.

By default the input is bound to itself, so we need to unbind it and then bind a zigbee group

mosquitto_pub -t zigbee2mqtt/bridge/unbind/<switch_friendly_name>/2 -m <switch_friendly_name>
mosquitto_pub -t zigbee2mqtt/bridge/bind/<switch_friendly_name>/2 -m <group_name>

To restore the original behavior you unbind the group and rebind the device

mosquitto_pub -t zigbee2mqtt/bridge/unbind/<switch_friendly_name>/2 -m <group_name>
mosquitto_pub -t zigbee2mqtt/bridge/bind/<switch_friendly_name>/2 -m <switch_friendly_name>

OTA updates #

This device supports OTA updates, for more information see OTA updates.

Manual Home Assistant configuration #

Although Home Assistant integration through MQTT discovery is preferred, manual integration is possible with the following configuration:

switch:
  - platform: "mqtt"
    state_topic: "zigbee2mqtt/<FRIENDLY_NAME>"
    availability_topic: "zigbee2mqtt/bridge/state"
    payload_off: "OFF"
    payload_on: "ON"
    value_template: "{{ value_json.state_l1 }}"
    command_topic: "zigbee2mqtt/<FRIENDLY_NAME>/l1/set"

switch:
  - platform: "mqtt"
    state_topic: "zigbee2mqtt/<FRIENDLY_NAME>"
    availability_topic: "zigbee2mqtt/bridge/state"
    payload_off: "OFF"
    payload_on: "ON"
    value_template: "{{ value_json.state_l2 }}"
    command_topic: "zigbee2mqtt/<FRIENDLY_NAME>/l2/set"

sensor:
  - platform: "mqtt"
    state_topic: "zigbee2mqtt/<FRIENDLY_NAME>"
    availability_topic: "zigbee2mqtt/bridge/state"
    unit_of_measurement: "W"
    icon: "mdi:flash"
    value_template: "{{ value_json.power }}"

sensor:
  - platform: "mqtt"
    state_topic: "zigbee2mqtt/<FRIENDLY_NAME>"
    availability_topic: "zigbee2mqtt/bridge/state"
    icon: "mdi:signal"
    unit_of_measurement: "lqi"
    value_template: "{{ value_json.linkquality }}"

binary_sensor:
  - platform: "mqtt"
    state_topic: "zigbee2mqtt/<FRIENDLY_NAME>"
    availability_topic: "zigbee2mqtt/bridge/state"
    payload_on: true
    payload_off: false
    value_template: "{{ value_json.update_available}}"

zigbee2mqtt.io