Patent ID: 7574271

Claim:
A passenger transportation system, comprising a circulating band, a master control unit, at least one slave control unit, a driving station arranged in the area of a first end of the passenger transportation system, and a reversing station arranged in the area of a second end of the passenger transportation system, the master control unit and the slave control unit being connected together for a purpose of exchanging data via a data bus, the slave control unit having a first printed circuit board that is provided with a first set of electronic components and serves to transmit data concerning the functioning of the passenger transportation system to the master control unit, the master control unit having a second printed circuit board that is provided with a second set of electronic components and serves to analyze the data and control the passenger transportation system, characterized in that the first printed circuit board and the second printed circuit board are identically constructed and each include memory storing identical operating data for the passenger transportation system, the data bus providing for direct transfer of the operating data from one of the printed circuit boards to a new circuit board when installed to replace the other of the circuit boards.