15 Outputs (TF7-*72***-******-******a-*****-**; a = M, P, Q)
15.3 Configuration of a digital output as frequency output FLUXUS H721
2022-05-15, UMFLUXUS_H721V1-5EN
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15.3 Configuration of a digital output as frequency output
The frequency output emits a square wave signal with a frequency which is proportional to the measured value of the
source item sent to the output.
Assignment of a source item
• Select one of the following source items:
– Flow quantities
– Totalizers
– Fluid properties
– Diagnostic values
– Miscellaneous (Custom. Input 1...4)
– Sound speed
• Select a list item (here: Flow quantities).
• Press ENTER.
• Select a list item (here: Volumetric flow rate).
• Press ENTER.
•Select Values.
• Press ENTER.
• Pass the menu item Options\...\Outputs in its entirety:
– output range
– error value
– measuring range
– output info
– function test
For the description of the individual steps, see section 9.3.6.
Tab. 15.7: Output function test – signal
output mode test value description
Pulses per unit The entered test value has to be
within the output range.
If the external measuring instrument displays the entered
value, the output functions correctly.
Pulse value NO • pulse output is de-energized
• measured value has to be high ohmic
NC • pulse output is energized
• measured value has to be low ohmic
Options\Channel A\Outputs\Digital output B1\Source item
Options\Channel A\Outputs\Digital output B1\Source item\Flow quantities
Options\Channel A\Outputs\Digital output B1\Source item\...\Volumetric flow rate
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