ID 442426.04 192WE KEEP THINGS MOVING
Drive controller
9
Manual SD6
9.5.3.5 Parameters
Clock frequency of the drive controller power board.
Increasing the clock frequency improves the control dynamics and reduces the
amount of noise produced, but also leads to increased losses (derating of the
power stage R04, R26).
In some operating states the clock frequency is changed by the drive controller
itself. The currently active clock frequency is displayed in E151.
Shows the current utilization of the drive controller as a %. 100 % is equivalent
to the nominal power loss of the drive controller. Utilization is affected
especially by the output current (E00) and the PWM clock frequency (B24).
Level of the thermal model (i
2
t model). Fault "39:Temp.Dev i2t" is triggered at
105 % of full utilization. When 100 % of the limit is reached the drive controller
triggers event "39:Temp.Dev i2t" with the level indicated in U02. The output
current is limited to the permitted nominal device current for control modes
ASM - vector control and SSM - vector control (B20 = 2 or 64).
Display of total energy given off in Wh.
The motor current is continuously monitored. The largest value measured is
saved here in non-volatile memory. This value can be reset with A37.
The energy dissipated through the braking resistor (in watt-hours) is saved
here in non-volatile memory. This value can be reset with A37.
B24 switching frequency version 2
B24 switching frequency version 2
Information
The factory setting of this parameter depends on B20. If a
synchronous servo motor or synchronous linear motor is used, the
value 8:8kHz is entered in B24. If an asynchronous machine is
used, B24 has a value of 4:4kHz.
4: 4 kHz
8: 8 kHz
16: 16 kHz
17: 4 + 8 kHz automatic
18: 8 + 16 kHz automatic
19: 4 + 8 + 16 kHz automatic
E20 drive controller utilization version 0
E22 i2t-drive controller version 0
E32 energy counter version 0
E34 I-max-memorized value version 0
E38 braking energy version 0
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