Two door interlocking controller

This controller provides interlocking facilities, as used in banks, to allow only one door to be opened at a time.

The following features are provided;

• Dual door input and output.
• Dual LED indication on each door.
• Passive infra-red input for protected area between the two doors.
• Emergency over-ride input opens both doors.
• Night input locks both doors.
• Micro-processor controlled.
• Beeper output audible indicator.
• Size 76mm x 57mm