Astra-814 Pro keypad is designed to operate as part of the system with Astra-812 Pro or Astra-8945 Pro control panel.
Keypad provides the following functions:
- entering PIN codes to control the system;
- display of notifications received from the control panel on the display, buzzer and LEDs;
- control the system using iButton keys;
- control of relay output Relay1 by command from the control panel.
Connection and communication between the keypad and the control panel via a two-wire RS-485 interface. The maximum number of connected (registered) keypads is 8 pcs.
Keypad is powered from external redundant power supply with a rated voltage of 12 V or 24 V.
Keypad has two independent power inputs (main and backup), switching between them occurs automatically when the power supply voltage drops below the
permissible level.
Keypad has an input for monitoring the generic signal "Failure" of power supplies (terminals Zone1, GND).