Electronic Interlocking

We are a well known manufacturer and supplier of Electronic Interlocking in Hyderabad, Telangana, India. Our offered System MEI 633 is a fail-safe, state-of-the-art Distributed Interlocking System. The System has been designed to CENELEC Standards to meet SIL-4 safety specification. It is based on two out of two architecture with a hot standby provision and automatic change-over facility. The System provides all the Interlocking features including Route Setting, Route Release, Point Operation, Track Occupancy Monitoring, Overlap Protection, Crank Handle Operation, Level Crossing Gate Interlocking, and provision for Block working.

Central Interlocking Unit (CIU) uses two-out-of-two architecture with two independent channels computing the vital interlocking logic and a supervisory processor monitoring the two vital computing channels. Hot standby with automatic change-over facility is provided. Redundant communication channels to Object Controller (OC) and Panel Processor (PP) are provided through two communication processors. OFC interface with ring configuration is used for communication between CIU and OC and CIU and PP.