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Digital Dosing Units
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Appendix B: Basic Parameter Settings
Extrusion Mode:
You need an extruder signal that is proportional to the extruder speed to operate in the Extrusion
Proportional mode. You can use any of the following:
• Frequency signal (must be 12VDC square wave)
• 0-20mA current signal
• 0-10VDC signal
Determine the frequency output in the lower working area (A) of the extruder. Record the data.
Min. input frequency = __________ Hz
Determine the frequency output in the upper working area (B) of the extruder. Record the data.
Max. input frequency = __________ Hz
If a voltage signal is available (0 - 10 VDC) calculate the frequency output of the extruder for
the lower / upper working area using the formula:
Frequency [Hz] = Input voltage [V] x 10000 [Hz]
10 [V]
Note the data:
Min. input frequency = __________ Hz
Max. input frequency = __________ Hz