Invert outputs

A relay has two states:

The relay is normally in the idle state and is energised when an identification medium is activated.

The Invert SR signal checkbox changes the SmartRelay’s behaviour depending on the type of output (NO or changeover contact):

Changeover contact

NO contact

  • SREL
  • SREL.ADV
  • SREL.W
  • SREL.G2
  • SREL.W.G2
  • SREL 3
  • SREL 3 Advanced

SREL2.G2

Invert SR signal

  • Identification medium activated: Relay energises, COM connected to NO
  • Identification medium not activated: Relay in idle state, COM connected to NC

Invert SR signal

  • Identification medium activated: Relay energises, contacts connected
  • Identification medium not activated: Relay in idle state, contacts not connected

Invert SR signal

  • Identification medium activated: Relay in idle state, COM connected to NC
  • Identification medium not activated: Relay energises, COM connected to NO

Invert SR signal

  • Identification medium activated: Relay in idle state, contacts not connected
  • Identification medium not activated: Relay energises, contacts connected
  1. Configuration tab open (see Changing the SmartRelay settings).
  1. Open the Extended configuration menu if necessary.
  2. Activate the Invert SR signal checkbox.
  3. Click on the Finish button.
  4. The SmartRelay window closes.
  1. SmartRelay outputs are inverted.