7 Configuration
142
7.15 Flow
Two methods are available for flow measurement (volume flow, volume per unit of time): computation
based on a digital signal (signal type "Digital", e.g., rotary pulses of a paddlewheel) and the evaluation
of an analog signal (signal type "Analog signal").
NOTE!
For the "Digital" signal type, the signal must be fed in at a high-speed input (optional extra, see technical
data). The minimum frequency is 1 Hz, the maximum frequency is 12.5 kHz. If the frequency is < 1 Hz,
the flow value is set to 0.
Device dialog (excerpt) – flow 1 ...
Parameter
Parameter Selection/settings Description
Signal type Inactive Flow measurement is inactive.
Digital (...) Evaluation of rotary pulses from a pad-
dlewheel sensor
Analog signal Evaluation of an analog input signal
Channel designa-
tion
Fl ...
Use default text or enter other text.
Name (abbreviation) with max. 5 charac-
ters that is used in the visualizations.
Channel descrip-
tion
Flow ...
Use default text or enter other text.
Description (designation) with max. 21
characters (e.g. for curve diagram)
Analog signal Analog selector
No selection
Analog signal for determining the flow
(only for signal type "Analog signal")
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