Two Sets of 15 Shutters 

Schneider Electric Twido series PLCs are used.

15 shutters on store entrance from mall and 15 shutters on back side of the building for cargo loading unloading. The cargo area includes 7 pairs of shutters with interlocked operation for security reasons. Each shutter has it's on set of position sensors.

In addition to normal daily operation of the shutters, the control PLC performs a specific scenario for evacuation procedure in case of emergency .