Access Control Systems


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4 Relay/12 Input Board

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12 Monitored Inputs and 4 Relay Expansion Board for EVO Controllers
  • Connects to the controller using the included ribbon cable.
  • Up to 5x Alarm Expansion Boards can be connected to the one EVO controller.
  • Each Board adds 12 monitored four state inputs.
    • Open, Closed, Open Circuit, Short Circuit
    • Install with 2x 10k resistors
    • Input Monitoring can be turned off via software.
  • Each Board adds 4 additional C-Form Relay Outputs.
  • Each Relay has a ‘Normally Open’ and Normally Closed’ Contact.
  • Maximum 24 volts DC to be switched by each relay.
  • Can NOT be connected and combined with 16-Way Expansion Boards to the same EVO controller.
  • Requires Version 3.5 Board.


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