Our Door interlock controller achieve this by preventing simultaneous access of door /Room by ensuring that when one door for a room is open then other door is closed. Push buttons are available for door access. Emergency stations are available for opening for all doors.

Delay between each door openings to maintain required pressure.Door status can read by any master system connected over RS485 network. This door interlocking system shall interface with Fire Alarm System.
Features:
Door interlocking systems supports maximum of 16doors
Microcontroller based Door Interlocking System
User can configure Normally Closed mode or Normally Open mode
Configurable door closure time interval for 4 to 16 door interlocking systems
Pre-defined door closure time interval for 2 and 3 door interlocking systems
MODBUS RTU multi drop RS-485 serial communication for PLC, SCADA, etc.
Configurable door delay timer from Door Interlocking BMS System
Relay status Indications
“GO”,“WAIT” Door Status Indications along with Timer
It supports Emergency Stations with buzzer
It supports Privacy Stations with buzzer and “GO”, “WAIT” status indications
Door interlocking system can integrate with Fire Alarm System