Momentary switch configuration for light and iTL-16-20-230 16A 2NO 230VAC/110VDC Acti9 A9C30812 Schneider relay

mqtt.yml

mqtt:
  discovery: true
  broker: localhost
  username: xxx
  password: xxx
  port: xxx
  birth_message:
    topic: 'hass/status'
    payload: 'online'
  will_message:
    topic: 'hass/status'
    payload: 'offline'
  light:
    - schema: template
      unique_id: light.work1
      name: "Work 1"
      state_topic: "boneio1/binary_sensor/in_12/state"
      state_template: "{{ value|lower }}"
      command_topic: "boneio1/switch/relay_20/command"
      command_on_template: "TOGGLE"
      command_off_template: "TOGGLE"
      retain: false

relay32_outputs_PCF.yaml

- platform: gpio
  id: relay_20
  name: "Relay_20"
  pin:
    pcf8574: pcf_1
    # Use pin number 12
    number: 3
    mode:
      output: true
    inverted: true
  on_turn_on:
    - delay: 200ms
    - switch.turn_off: relay_20