Drive Technology FAQ
All questions that apply to the field of drive technology are assigned to this category.
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ST9000 | Analog output signals – for example, for motor voltage, motor current, motor power
With the inverter ST9000, it is possible to display 15 different measured variables via the terminals DA1 and DA2, one for each […]
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ST9000 | DC braking to hold engine into position
With the ST9000 frequency inverter, it is possible to vary the braking behaviour with a superimposed DC braking voltage, so as to […]
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ST9000 | Change display settings (r/min)
To display a different value during the process on the display, the value of F6.01 must be changed. This parameter is specified […]
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ST9000 | Forward, reverse, stop – Which parameter and terminal assignment?
The frequency inverters ST9000 have the clamps DI1, DI2 and DI3 with which the inverter can be switched via control signals or simple […]
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ST9000 | External Potentiometer – How to connect it and which one is compatible?
An external potentiometer, which is connected to AI1, +10V and GND will have a resistance of 1kΩ and a power of 2W. For […]
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ST9000 | Pump Control
To use the frequency inverter as a pump control, for example at a pressure sensor for the “actual pressure”, these parameters are […]