Installation
16
Relay connection
Fail Safe Lock
In order to use the Fail Safe Lock, connect N/C relay as shown in the figure below. There is normally a current flowing
through the relay for the Fail Safe Lock. When the relay is activated, blocking the current flow, the door will open. If the
power supply to the product is cut off due to a power failure or an external factor, the door will open.
NOTE
•
Install a diode at both sides of the door lock wire as shown in the figure to protect the relay from the reverse current, which
occurs when the door lock operates.
•
Take caution of the installation direction of the diode. Install the diode close to the door lock.
•
Use a separate power supply for FaceStation F2 and the door lock.
•
Suprema’s standalone intelligent readers contain internal relays that can directly lock/unlock doors without external
controllers for added convenience. For access control applications in need of security, however, it is NOT recommended to use
the internal relay of a reader to prevent any tampering attacks which can potentially trigger the door unlock. For such
applications, it is highly recommended to use a separate relay unit for a lock control such as Suprema's Secure I/O 2, DM-20
or CoreStation installed at a secure side of a door.
Fail Secure Lock
In order to use the Fail Secure Lock, connect N/O relay as shown in the figure below There is normally no current flowing
through the relay for the Fail Secure Lock. When the current flow is activated by the relay, the door will open. If the power
supply to the product is cut off due to a power failure or an external factor, the door will lock.
Dead bolt /
Door strike
DC power
2 - RLY COM
Blue
3 - RLY NC
Orange
Dead bolt /
Door strike
DC power
1 - RLY NO
White
2 - RLY COM
Blue
FaceStation F2
FaceStation F2