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Art.-No.: KIO3 • Techn. Drawing: Power-Adapter KIO3

The Kentix I/O Power Adapter KIO3 is designed to extend your Kentix solution with the following features:

  • Connection of up to two external alarms via potential-free contacts for one MultiSensor
  • Control or switching of up to 2 external devices via relays from one MultiSensor

The adapter is connected directly to the Kentix system socket (1) and offers the option of powering the MultiSensor via a plug-in power supply unit (2) or an external fixed power supply unit. The cable length between MultiSensor and KIO3 adapter should not exceed 10 meters. The relays (3) are equipped with change-over contacts and can be loaded with up to 60VDC/3A.

KIO3 Connections


The digital inputs of all Kentix devices must always be connected potential-free. This means that no external voltage must be applied. The wiring is typically done passively by normally closed or normally open contacts without voltage potential. The contact logic can be freely set in the software. Applying an external voltage can lead to a device defect.

Circuit diagram with external alarms


  1. Terminal: Digital input 2 for potential-free wiring
  2. Terminal: Digital input 2 for potential-free wiring
  3. Terminal: Digital input 1 for potential-free wiring
  4. Terminal: Digital input 1 for potential-free wiring
  5. Terminal: External power supply 24VDC    Not required for PoE-enabled devices!
  6. Terminal: External power supply 24VDC    Not required for PoE-enabled devices!
  7. Terminal: Relay output 2 COM (Common 24 VDC/1A), changeover contact
  8. Terminal: Relay output 2 NC (Normally Closed)
  9. Terminal: Relay output 2 NO (Normally Open)
  10. Terminal: Relay output 1 COM (Common 24 VDC/1A), changeover contact
  11. Terminal: Relay output 1 NC (Normally Closed)
  12. Terminal: Relay output 1 NO (Normally Open)