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Reference report
Traffic & Transportation
Street lighting control for the city of Besançon
Street lighting control for the city of
Besançon, France
Complete control of the city lighting in one control center to allow operators see
the whole system state at any time and make changes in the startup sequence and
time ranges easier.
The street lighting in Besançon consists of 17,000 street lights, 485km of streets
concerned with a total power of 2,760 kW.
Those lights are controlled by 150 control cabinets, with 150 pcs. of PLC’s
(SIMATIC S7 -300) inside those cabinets.
The aim is to remote control each cabinet with following savings:
• 100 working hours less / year
• 276,000 kW/h saved / year
• 32 tons of CO2 less / year
• 15,000 € less on energy bill
• Lowering the MWh/km ratio to 0,64
• Improvement of the network security
End user and system integrator
City of Besançon, Besançon, France
Solution
• Object-oriented visualization of each cabinet to adapt the display
of the different types: 3, 4, 5 or more outputs
• Whole map of the city to have an overview of the situation
• Real time control of the time ranges for the start stop sequence of the lights
• Statistics about consumed power for each cabinet’s output
• SMS alert for error handling
• Remote control of circuit breaker in case of failure
• Summarized display of each cabinet and its alarms
siemens.com/wincc-open-architecture
Reference report
Traffic & Transportation
Street lighting control for the city of Besançon
Technical data
• PLCs: 150 SIMATIC S7 300 +1 SIMATIC S7 400H
• 23,000 data points
• GIS map of the city
• Redundant server on VM Ware ESXi
• 150 independent schedules
• Network communication through optical fiber, ADSL and TETRA
• SMS alerts for operators
Advantages
Advantages of object orientation:
• Adding a new cabinet is fast and simple
• Defining basic objects like outputs allows to build special cabinets (12 outputs,
10 outputs) without difficulties
• Low error rate during generation
Advantages of the integration of a map with GIS Viewer:
• Overview of the whole city lighting system
• One click action to display a cabinet
• Easy localization for intervention
• Direct display of alarms
Advantages of scheduler:
• Easy change of on/off time range for each cabinet
• Better control
• Possibility to add exception for special days
siemens.com/wincc-open-architecture
Reference report
Traffic & Transportation
Street lighting control for the city of Besançon
System panels
GIS Viewer: Overview screen for display of each control cabinet with eventual alarms
siemens.com/wincc-open-architecture
Reference report
Traffic & Transportation
Street lighting control for the city of Besançon
View of a control cabinet, with control of circuit breaker and information about input/outputs and PLC
siemens.com/wincc-open-architecture
Reference report
Traffic & Transportation
Street lighting control for the city of Besançon
Scheduler: Configuration of the time ranges for an output
siemens.com/wincc-open-architecture
Reference report
Traffic & Transportation
Street lighting control for the city of Besançon
Trend: Information about power consumption for an output
siemens.com/wincc-open-architecture