About the FDI contactless door button…..
More than a conventional exit button, FDI contactless door button provides an increased level of security thanks to its “double cage”, vandal protection and the FDI security protocol.
The contactless output button also provides more modularity in use thanks to its two opening modes, its adaptability to alternating current and continuous currents, and the possibility to inhibit the “contactless” function.
Patented modular use
Two opening modes
Thanks to its system architecture, FDI contactless door button allows two opening modes: by infrared detection when the user presents his hand in front of the button, contactless, or by mechanical activation of the system when the user presses the button and releases the strike.
A button with or without contact
Although “contactless” by definition, the use of the FDI button can switch to the classic button format. A simple switch on the back of the knob can be used to inhibit the infrared function : the button can be used as a stand-alone mechanical output button.
Operating in AC or DC, FDI contactless button supports both alternative current and continuous current power supplies.
A patented device
The FDI mechanical and contactless door opener is a patented system.
A “double cage” button
The FDI contactless door button is equipped with two completely electrically isolated cages : the NO button used to control the push button input of the control unit can never be in direct contact with the NC contact wired in series on the power supply of the breakaway lock.
The advantages of this architecture are that it allows
- The separation of weak and strong currents for an access system more immune to disturbances and switching:
- A low current cage is used for central access,
- A high current cage is dedicated to the switching of suction pads / strikes / automatons.
- The release of the door in case of hardware failure of the control unit or the button itself (power failure, electrical failure, functional failure…).
When the user presses the exit button, the second cage opens the power circuit and releases the suction pads / strikes / automatons. The button ensures the safety of users who can exit the building even in the event of a hardware failure.
A secure system
While most infrared buttons on the market can be fraudulently activated from outside the building with a simple laser or commercial infrared remote control, the FDI model offers a higher level of security.
The FDI contactless door button has a coded thread from its proprietary protocol and thus prevents any attempt to bypass it.
More precisely, a random code is created each time the system sends a signal. It is this random code that is then decrypted by the receiver to open the door. In this sense, even if the code sent were to be intercepted by a user, it could not be reused on its own to release the door because it was desynchronised from the transmission of the signal by the system.
Vandal protection provided
The FDI non-contact door button has a protection rating of IK10. The IK norm is a protection index that relates to mechanical resistance. It expresses the level of resistance of electrical or electronic devices when exposed to shocks.
The IK index is expressed on a scale of 11 levels, from minimum to maximum :
- IK00 : no protection,
- IK10: 20 joules impact protection
The FDI contactless door button meets the highest protection level; IK10, and is shock resistant up to 20 joules
