Elevator system

An elevator system (201) comprises: an elevator car (203) movable between a plurality of landing; and a brake (208) configured to stop the elevator car (203) from moving within the elevator hoistway. The system comprises a safety controller (232; 236) and at least one safety device (234; 238) is provided. The safety controller (232; 236) monitors at least one of the safety devices (234; 238) in the state of the control device. Upon detecting a change to a new state, the safety controller evaluates whether the new state is a first state corresponding to an emergency condition or a second state corresponding to a non-critical change. The safety controller (232; 236) is further configured to apply the brake (208) immediately to stop the elevator car (203) when the new state is the first state, or to allow the elevator car (203) to move to the landing when the new state is the second state. 一种电梯系统(201)，包括：电梯轿厢(203)，其在多个层站之间可移动；以及制动器(208)，其配置成停止电梯轿厢(203)以免在电梯井内移动。该系统包括安全控制器(232；236)和至少一个安全装置(234；238)。安全控制器(232；236