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VACON® 3000
Application Guide
INU Application
4 INU Application
4.1 Overview
The INU application is used to control the INU phase modules of the VACON® 3000.
It is possible to control the drive from the control panel (keypad), Fieldbus, or I/O terminal.
When controlling the drive with the I/O terminal, the frequency reference signal is connected to AI1 (0...10 V) or AI2 (4...20 mA).
The connection depends the type of the signal. There are also 3 preset frequency references available. The preset frequency referen-
ces can be activated with DI4 and DI5. The start/stop signals of the drive are connected to DI1 (start forward) and DI2 (start reverse).
It is possible to configure all the drive outputs freely. There is 1 analog output (Output Frequency) and 3 relay outputs (Run, Fault,
Ready) available on the Basic I/O board.
30 | Danfoss A/S © 2021.09
AB319735759636en-000101 / DPD01822
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