Echelon i.LON SmartServer 2.0 Power Line - Manual (Page 109)

i.LON SmartServer 2.0 Power Line Repeating Network Management Guide 95
Demonstrating a Street Lighting Schedule
This section demonstrates how you can control a street lighting network using a single Event
Scheduler that includes one daily schedule and one exception schedule for weekdays, and one
exception group that includes exception schedules for weekends and holidays. The following briefly
describes how the street lighting network is controlled on weekdays and weekends/holidays.
• Weekdays. One daily schedule and one exception schedule are used to control the street lighting
network on weekdays. The daily schedule turns on the lights at the start of the evening rush hour,
dims them at the end of the evening rush hour, brightens them at the beginning of the morning
rush hour, and dims them at the end of the morning rush hour. The exception schedule turns the
lights off at sunrise and unlocks the lights at sundown, which enables the daily schedule to turn the
lights on.
• Weekends/Holidays. One exception group (a group of exceptions that use the same schedule) is
used to control the street lighting network on weekends and holidays. The exception schedule
simply turns on the lights at sundown and turns them off at sundown.
Note: In this example, additional user-defined presets have been created for the SNVT_switch data
point on the luminaire. These presets include ON_60 and ON_100, which set the SNVT_switch data
point to 60.0.1 (60% brightness and on) and 100.0 1 (100% brightness and on), respectively. These
presets are used in addition to the pre-defined OFF preset, which sets the SNVT_switch data point to
0.0.0 (0% brightness and off). See Selecting Data Points for more information on creating presets for
data points that have been added to the Event Scheduler.
Creating the Weekday Schedule
You can create a schedule that controls the street lighting network on weekday using one daily
schedule and one exception schedule. This entails using the default Daily Schedules and creating the
following events, which will occur Monday through Friday:
• An ON_100 event that turns on the lights to 100% at the start of the evening rush hour.
• An ON_60 event that dims the lights at the end of the evening rush hour.
• An ON_100 event that brightens the lights at the beginning of the morning rush hour.
• An ON_60 event that dims the lights at the end of the morning rush hour.
After you set up the daily schedule, you create a one-time exception that recurs every weekday. In the
weekday exception schedule, you create the following single event:
• An OFF event starting at sunrise and ending at sundown that turns the lights off. Once the OFF
event ends at sundown, the daily schedule assumes control of the network and turns the lights on.