Fermax Door Controller for Access Control (12VDC)

Fermax F-4420 MDS Door Controller for Centralised Access Control

The Fermax F-4420 is a standalone door controller designed for use with MDS Digital access control readers that do not have an integrated door controller. It manages the electric lock, exit pushbutton, door sensor and up to two readers (entry and exit) per door. Installed in a secure interior location, it prevents sabotage of the lock release mechanism at the reader point.

The controller accepts Wiegand-26, magstripe and iButton readers. It features a test mode for commissioning without connection to the central unit, LED status indication for door states, and configurable door opener activation timing via dip-switches. Up to 32 readers can be connected per MDS Digital central unit (31 on FXL network).

Key Features

• Supports 2 readers per door — entry and exit
• Accepts Wiegand-26, magstripe and iButton reader protocols
• Door opener relay: 2A, NA/NC with programmable timer
• Auxiliary relay output (NA/NC)
• Exit button input (N.O.) and door sensor input (N.C.)
• Free access (trades) button input
• Test mode for independent verification without central unit
• Dip-switch configuration for door number and reader type
• Surface or box mechanism mounting

Technical Specifications

• Power supply: 12Vdc +/- 10%
• Current draw: 15 mA (standby), 100 mA (maximum)
• Operating temperature: -20 to +50 degrees C
• Humidity: 90% RH
• Reader cable distance: 10 m maximum
• Max readers per central unit: 32 (31 on FXL network)
• Door opener relay: 2A, NA/NC contacts
• Reader protocols: Wiegand-26, magstripe, iButton, DataClock
• Bus connection: 4 wires (+, - and shielded twisted pair)

Dimensions

• 82 x 82 x 20 mm (H x W x D)