A safety device for an elevator system or an escalator system includes a safety circuit having a plurality of safety circuit elements, wherein the safety circuit is adapted for stopping an operation of the elevator system or escalator system when at least one of the safety circuit elements of the safety circuit opens, a manual service switch for opening at least one of the safety circuit elements of the safety circuit, and a light device adapted to be illuminated in a first illumination color while all the safety circuit elements are closed and to be no longer illuminated in the first illumination color when at least one of the safety circuit elements of the safety circuit is open.

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus and the local gateway device is configured to determine a condition based monitoring (CBM) health score of the escalator in response to at least the acceleration data, and wherein the local gateway is configured wirelessly transmit the CBM health score of the escalator to the cloud computing network in a data package via a long-range wireless communication protocols.

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus and the local gateway device is configured to determine a condition based monitoring (CBM) health score of the escalator in response to at least the acceleration data, and wherein the local gateway is configured wirelessly transmit the CBM health score of the escalator to the cloud computing network in a data package via a long-range wireless communication protocols.

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a weather data source in communication with the analytic engine through the cloud computing network, the weather data source being configured to obtain weather data at a location of the escalator; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus comprising: an inertial measurement unit sensor configured to detect acceleration data of the escalator, and wherein the CBM health score is adjusted in response to at least the weather data.

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a weather data source in communication with the analytic engine through the cloud computing network, the weather data source being configured to obtain weather data at a location of the escalator; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus comprising: an inertial measurement unit sensor configured to detect acceleration data of the escalator, and wherein the CBM health score is adjusted in response to at least the weather data.

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus, the local gateway device, and the analytic engine is configured to determine an operating mode of the escalator in response to at least the acceleration data; and an application for a computing device, the application being configured to display weather data simultaneously with the operating mode of the escalator on a display device of the computing device.

A passenger transport system sensor network has a master unit, a signal-transferring apparatus, and a plurality of sensor nodes each having at least one sensor sensing a physical measurement variable and transferring the sensed variable to the master unit via the signal-transferring apparatus. A sensor-identifying module in the master unit determines the identity of the sensors from information, stored in a database, of: a first information type about reference measurement results to be typically provided by a particular sensor under already known conditions; a second information type about the identity of a sensor node containing the particular sensor, the sensor node having a plurality of different sensors or a plurality of identical sensors in different configurations; and/or a third information type about a configuration of a sensor node holding the particular sensor, which configuration was defined in advance. Sensor identities and installation locations can be determined in an automated manner.

A passenger transport system sensor network has a master unit, a signal-transferring apparatus, and a plurality of sensor nodes each having at least one sensor sensing a physical measurement variable and transferring the sensed variable to the master unit via the signal-transferring apparatus. A sensor-identifying module in the master unit determines the identity of the sensors from information, stored in a database, of: a first information type about reference measurement results to be typically provided by a particular sensor under already known conditions; a second information type about the identity of a sensor node containing the particular sensor, the sensor node having a plurality of different sensors or a plurality of identical sensors in different configurations; and/or a third information type about a configuration of a sensor node holding the particular sensor, which configuration was defined in advance. Sensor identities and installation locations can be determined in an automated manner.

A conveyor arrangement, a conveyor system and a method for determining a load estimate in a people conveyor arrangement, such as an escalator arrangement or horizontal or inclined autowalk arrangement include using a power model of the people conveyor arrangement, which power model includes e.g. motor model components and/or people conveyor model components, having at least a friction monitoring mode, and determining in the friction monitoring mode a friction estimate of the conveyor arrangement based at least in part on the measured or determined motor power, the power model of the people conveyor arrangement, and a speed of the step or pallet chain and/or a speed of the handrail.

A conveyor arrangement, a conveyor system and a method for determining a load estimate in a people conveyor arrangement, such as an escalator arrangement or horizontal or inclined autowalk arrangement include using a power model of the people conveyor arrangement, which power model includes e.g. motor model components and/or people conveyor model components, having at least a friction monitoring mode, and determining in the friction monitoring mode a friction estimate of the conveyor arrangement based at least in part on the measured or determined motor power, the power model of the people conveyor arrangement, and a speed of the step or pallet chain and/or a speed of the handrail.