Setting functions
8.2 Inverter control
Inverter with CU230P-2 Control Units
228 Operating Instructions, 11/2013, FW V4.6.6, A5E02430659B AG
The abbreviations S1 … S5b to identify the inverter states are defined in the PROFIdrive
profile.
S1 In this state, the inverter does not respond to the ON command. The inverter goes
into this state under the following conditions:
• ON was active when switching on the inverter.
Exception: When the automatic start function is active, ON must be active after
switching on the power supply.
• OFF2 or OFF3 is selected.
This state is required to switch on the motor.
S3 The inverter waits for the operating enable.
If the inverter is controlled via a fieldbus, then you must set the operating enable in a
control word bit.
If the inverter is exclusively controlled via its digital inputs, then the operating enable
signal is automatically set in the factory setting.
The motor is switched on.
S5a The motor was switched off with OFF1 and brakes with the ramp-down time of the
The motor was switched off with OFF3 and brakes with the OFF3 ramp-down time.
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