Advanced commissioning
7.2 Inverter control
Converter with control units CU250D-2
Operating Instructions, 04/2015, FW V4.7.3, A5E34261542B AB
121
The abbreviations S1 … S5b to identify the converter states are defined in the PROFIdrive
profile.
Converter
status
Explanation
S1
In this state, the converter does not respond to the ON command. The converter
goes into this state under the following conditions:
•
ON was active when switching on the converter.
Exception: When the automatic start function is active, ON must be active after
switching on the power supply.
•
OFF2 or OFF3 is selected.
S2
This state is required to switch on the motor.
S3
The converter waits for the operating enable.
S4
The motor is switched on.
S51
The motor was switched off with OFF1 and brakes with the ramp-down time of the
ramp-function generator.
S52
The motor was switched off with OFF3 and brakes with the OFF3 ramp-down time,
or at the current limit.