Motor Parameters Auto-Tuning; Dok-Rcon04-Vfc-X610***-Qu06-En-P I - REXROTH VFC 5610 Quick Start Manual

VFC 3610 / VFC 5610

3.2.5 Motor Parameters Auto-Tuning

For SVC control and applications with higher requirement to control accuracy in
V/f control, motor parameter auto-tuning is necessary. Two modes of auto-tuning
are available, static auto-tuning and rotational auto-tuning. The former mode is
mainly used for V/f control and the latter is used ONLY for SVC control.
Check and make sure the following points before auto-tuning:
The motor is in standstill and not at high temperature.
●
The power rating of the frequency converter is close to that of the motor.
●
Set C1.05...C1.10 based on motor nameplate data. If the power factor data is
●
unavailable on the nameplate, keep the default setting of C1.10.
Disconnect the load from the motor shaft for rotational auto-tuning.
Set auto-tuning mode and start motor parameter auto-tuning:
Set the following parameter according to the control mode of the frequency con-
verter and the application situation.
Code Name
C1.01 Motor parameter tuning
0: Inactive. The auto-tuning function is by default inactive.
●
1: Static auto-tuning. This mode is suggested to be used for V/f control. It can
●
also be used for SVC control when the load cannot be disconnected.
2: Rotational auto-tuning (suggested to be used for SVC control)
●
Press the <Run> button on the operating panel to start auto-tuning. In the proc-
ess of auto-tuning, a status code 'tUnE' will be displayed on the operating panel.
When the auto-tuning process is complete, the status code disappears and the
settings of the following parameters will be obtained automatically:
Static auto-tuning
√
√
√
√
√
√
√
√
–
–
Tab. 3-6: Parameters obtained by auto-tuning
DOK-RCON04-VFC-X610***-QU06-EN-P
Setting range
0...2
Rotational auto-tuning
√
√
√
√
√
√
√
√
√
√
Bosch Rexroth AG
Default
0
Parameters obtained by auto-tuning
C1.12: Motor rated slip frequency
C1.20: Motor no-load current
C1.21: Stator resistance
C1.22: Rotor resistance
C1.23: Leakage inductance
C1.24: Mutual inductance
C3.05: Current loop proportional gain
C3.06: Current loop integral time
C3.00: Speed loop proportional gain
C3.01: Speed loop integral time
Start-up
Min. Attri.
– Stop
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