48900 Series PLC Interlock Controller

Dortronics’ 48900 Series PLC interlock Controller is a cost-effective solution for door interlock and mantrap systems with up to nine doors. Unlocking or opening one door automatically secures other desginated doors within the interlock group.

This single-board solution gives installers complete control of all operating and configuration options without the expense of complex software. Integrates with virtually any access control system that uses dry contacts.