Sliding Window Demand Values - Siemens SENTRON PAC4200 Manual

Description
3.3 Measured variables
3.3.1

Sliding window demand values

The sliding window demand value is the arithmetic mean of all measured values that occur
within a configurable averaging time. "Sliding" means that the interval for the demand
calculation is continuously shifted as a function of time.
Figure 3-1
Available sliding window demand values
SENTRON PAC4200 supplies sliding window demand values for a large number of
measured variables:
● Per phase or as a total value over all phases
● With the maximum and minimum values as well as the time stamp for the maximum and
minimum values
The "Measured variables – overview" table above lists the available sliding window demand
values.
The sliding window demand values are represented on the display and can be called via the
communication interfaces.
Representation on the display
A stroke (bar) above the phase designation (a, b, c) indicates that the displayed value is a
sliding window demand value.
Figure 3-2
You can display the sliding window demand with function key F1: First select the measured
variable. Then scroll to the demand display with F1.
28
Sliding window demand
Maximum sliding window demand of the active power
SENTRON PAC4200
Manual, 09/2008, A5E02316180B-01