Issue/Rev. 0.2 (12/12)
Page 80 • MN0M023
7 Block OUTPUTS Device Functions Proline Promass 83
MEASURING MODE
(continued)
• PULSATING FLOW
If flow is characterized by severe fluctuations as is the case, for example, with
reciprocating pumps, flow components outside the measuring range are buffered,
balanced and output after a maximum delay of 60 seconds. If the buffered data cannot
be processed within approx. 60 seconds, a fault/notice message appears.
Under certain plant conditions, flow values can aggregate in the buffer, for example in
the case of prolonged and unwanted fluid backflow. However, this buffer is reset in all
relevant programming adjustments which affect the frequency output.
Function description
OUTPUTS o PULSE/FREQUENCY OUTPUT (1...2) o CONFIGURATION (FREQUENCY)
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