Lenze 9400 - Manual (Page 180)

5 Motor interface
5.5 Sensorless vector control (SLVC)
180
Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06
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5.5.4 Signal flow
[5-15] Signal flow - sensorless vector control
Internal variables of the motor control (oscilloscope signals)
• The red numbers in brackets listed in the signal flow stand for internal variables of the motor
control, which you can record by means of the Oscilloscope for purposes of diagnostics and
documentation. ( 579)
C00776
C02559/1...2
C00052
M
I
a +b 2 2
C00987
C00280
C00783
C00018
C00079
C00091
(8)
(9)
(10)
M
C00988
MI_dnTorqueSetpoint_n
MI_bCurrentSetpointLimited
a +b 2 2 MI_dnActualMotorCurrent_n
MI_dnActualMotorVoltage_n
MCTRL_dwMotorVoltageAct
MCTRL_dnImotAct C00780
C00054
MI_bTorqueSetpointLimited
C00497
C00985
MI_dnTorqueHighLimit_n
MI_dnTorqueLowLimit_n
C00695
C00986
(1) (2)
(3)
(4)
(5)
(11)
(12)
(3)
(10)
usq
usd
C00059
C00051
(6)
(7)
MI_dnActualFlux_n
C00778 MCTRL_dnFluxAct
Voltage limit
Motor model
Motor voltage
Switching frequency
Filter - DC detection
Internal torque limits
Filter time constant
Coordinate
transformation
Motor current
Inverter error
characteristic
Gain
Feedforward
control
Reset time
Actual speed value
Number of pole pairs
Torque controller
Slip calculation
Actual Q-current
Actual D-current
Field controller
Feedforward
control
f(C00022, Pull-out slip limitation)
Actual Q-current
Actual D-current
Torque setpoint
Flux model
Field weakening
No. Variable of the motor control Meaning
(1) Torque.dnTorqueSetpoint Torque setpoint
(2) Current.dnQuadratureCurrentSet Q current setpoint
(3) Current.dnActualQuadratureCurrent Actual Q current
(4) Speed.dnActualMotorSpeed Actual speed value
(5) Common.dnActualFlux Actual flux value
(6) Frequency.dnActualSlipFrequency Actual slip frequency
(7) Frequency.dnActualRotatingFieldFrequency Actual field frequency
(8) Voltage.dnQuadratureVoltage Q voltage
(9) Voltage.dnDirectVoltage D voltage
(10) Voltage.dnActualMotorVoltage Current motor voltage
(11) Current.dnDirectCurrentSet D current setpoint
(12) Current.dnActualDirectCurrent Actual D current