Measurements 9410 series
Examples of sliding window demand
This example shows two different ways of configuring a 15-minute demand interval:
• Single interval (also called block or timed block): the 15-minute demand interval is
defined as a single subinterval with a duration of 15 minutes.
• Sliding window (also called rolling block): the 15-minute demand interval is
defined as three subintervals with a duration of 5 minutes each. This method
offers better response time than a single interval.
Single interval (block)
15 30 45
Demand value is
the average for the
last completed
interval
Time
(min)
Calculation updates at
the end of the interval
15-minute interval 15-minute interval 15-min
Sliding window (rolling block)
15
5403
20 35 4025
Demand value is
the average for
the last completed
interval
Time
(min)
Calculation updates at the end
of the subinterval (5 minutes)
15-minu te interval
WAGES monitoring
WAGES monitoring allows you to record and analyze all energy sources and utilities
usage.
Your energy system may use several different types of energy. For example, you may
consume steam or compressed air for industrial processes, electricity for lights and
computers, water for cooling and natural gas for heating. WAGES monitoring collects
the usage information from all these different energy sources to enable a more
complete energy analysis.
WAGES information can help you:
• Identify losses or inefficiencies.
• Modify demand to reduce costs.
• Optimize energy source usage.
WAGES example
This example shows WAGES monitoring for a water flow meter.
You can connect your meter’s digital input to a transducer that sends a pulse for every
15 kiloliters (4000 US Gal) of water. After configuring an input metering channel and
assigning it to the digital input, the meter is able to detect and record the incoming
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