MQTT
MQTT
Context Channel M
Context Channel M
F 2 F 1
F k
F 3
F 0
F 12F 3
Global filter chain
Publish
Context Channel 1
Context Channel 2
Ch 1
Ch 4
Application A
Overload alarm
Current weight
Address
Indoor position
Elevator model
Channel id
CH [0, 1, 2, K]
CH [3, 12, 19, K]
Ch [2, K]
Ch [I, J, K]
··· ···
Overload alarm
Fire alarm
Current weight
Overload alarm
Current weight
Current EV temp
Address
Indoor position
Elevator model
Address
Indoor position
Elevator model
Overload alarm
Fire alarm
Current weight
Elevator model
Context primitives
Single message
Single message
Channel selector
Row data id
Row data
Figure 1: Overall structure of SCondi.
Elevator
Current time
Current weight
Current floor
Image from admiral elevator
http://www.admiralelevator.com/
Context primitives
Fire and rescue
service
Address
Manufacturer
Security
Door sensor
Monitoring center
Indoor position
Elevator model
Overload alarm
Fire alarm
Emergency stop
Current weight
Current EV temp
Current weight
Controller
Selector
Geared machine
Governor
Deflector shave
Final limit switch
Safe edge
Brace rod
Counterweight
guide rail
Directional
limit switch
Final limit switch
Governor tension
Buffer channel sheave assembly
Car buffer
Landing entrance
Counterweight
Traveling cable
Car safety
Toe guard
Door operator
Roller guide
Hoist ropes
Car guide rail
Motor generator set
···
Figure 2: Example of context primitive.