4 Commissioning
BU 0600 en-2319 65
CFC mode is also possible with the open-loop method, i.e. in operation without an encoder. Here,
the speed and position detection are determined by "observation" of measurements and setting
values. Precise setting of the current and speed controller is also essential for this operating mode.
This mode is especially suitable for applications with higher demands for dynamics in comparison
with VFC control (ramp times ≥ 0.25 s) and e.g. also for pump applications with high starting
torques).
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