Features: 1) High reliability micro-controller: Micolift 3003 2) CPU capable of calculate 32 digits, circuit boards made of six layers 3) Protection function to prevent the elevator from slipping 4) Containing software for 64 floors, extendable to 100 floors 5) Monitoring displayer connected with car-call boards or Micro-controller, open program 6) Local CAN bus control and DSP chips, faster than normal chip ten times 7) Well parameters self-learning, auto-selecting single-floor and multi-floor running curve 8) Serial communication technology and four-thread minimizes wiring 9) Adopting high-speed counting technology and nicety orientation technology 10) Friendly human-computer interface, calling lifts and monitor all signals directly from the micro-controller 11) Supporting remote inspection, monitor and control 12) Seven-segment code, BCD code and rolling dots displaying methods 13) Open system, user can download program through web aiming at better