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BFD 3SAP-19N000-U01-LA2-C_ _ _ _ _
Ultrasonic sensors
6
Secondary Device Functions (continued)
Statistics Data Configuration: Moving Average
Window Value
The value for the moving average (moving average
window) must be in the value range (see Tab. 6-25). To
calculate the moving average, it is possible to select, for
example, 1...1000 measurement values.
Moving Average Window
Unit
Seconds
Minutes
Hours
Measurement values
Tab. 6-25: Statistics Data Configuration – Moving Average Window
Value
Statistics Data Output: Minimum
Minimum value of the measured values over a certain time
period.
Statistics Data Output: Maximum
Maximum value of the measured values over a certain time
period.
Statistics Data Output: Average
Average of the measured values over a certain time period.
Statistics Data Output: Moving Average
The moving average is an average that is calculated
repeatedly over a certain value of the moving average
window.
Statistics Data Configuration: Number of Samples
Total number of read measurement values during start and
stop operation of the minimum value/maximum value/
average function.
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Moving Average Window
Value (value range)
1...1000
1...100
1...24
1...1000
Statistics Data Output: Status
Bit
Meaning
position
0
Configured
1
Started Min/
Max/Avg
2
Started Moving
Average
3
Buffer Overflow
Event
4
Timeout Event
5
Reserved
6
Reserved
7
Reserved
Tab. 6-26: Statistics Data Output – Status
6.4.5
System Commands
Command Value Device Action
0xA7 (167)
Statistics Reset – Resets all output
parameters to 0 and all user
settings to the default values.
0xA8 (168)
Statistics Start Min/Max/Avg –
Starts the statistics of the minimum
value/maximum value/average
calculation.
0xA9 (169)
Statistics Stop – Stops statistics
operation completely.
0xAC (172)
Statistics Start Moving Average
– Starts the statistics of the moving
average calculation.
Tab. 6-27: Basic statistics – System Commands
For an overview of all System Commands, see section 3.5
on page 21.
Description
1 – all inputs are configured
1 – Min/Max/Avg running
1 – Moving Average
running
1 – buffer overflow
1 – the set time for the
minimum value/maximum
value/average calculation
has elapsed
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