Lenze 9400 - Manual (Page 196)

5 Motor interface
5.6 V/f control (VFCplus)
196
Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06
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5.6.3 Signal flow
[5-20] Signal flow - V/f 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)
C00052
C00963
C00783
C00018
M
C00964
MI_dnActualMotorVoltage_n
MCTRL_dwMotorVoltageAct
(1)
C00059
C00050
C00780
C00022
(9)
C00050
C00967
C00968 C00967
C00950
fmax fmax
(3)
MCTRL_dnMotorFreqAct
MI_dnActualMotorFreq_s
C00784
(2)
(4)
(6)
1
0
2
C00962
C00961
1
0
2
C00953/1...11
C00954/1...11
C00952/1...11
fmax = f(C00018, C00059)
C00951
C00965
C00966
(5)
C00958
C00959
C00054
C00957
a +b 2 2
MI_dnBoostSet_n
(7)
(8)
C00960
Speed setpoint
Motor voltage
Switching frequency
Coordinate
transformation
Inverter error
characteristic
fmax
Rated slip
Load adjustment
Load
CW/CCW rotation
Load adjustment
Gain
Time constant
Slip compensation
Gain
Gain
Reset time
Actual Q-current
Imax controller
Actual motor current
Maximum current
Time constant
Limitation
Oscillation damping
Number of pole pairs
Speed setpoint
Motor current
Characteristic
calculation
Frequency values 1...11
Voltage values 1...11
Activat. of interpolat. point 1...11
Linear
characteristic
Square-law
characteristic
User-definable
characteristic
Charact. shape
Base frequency
Gain
Reset time
VVC controller
Current setpoint
V/f voltage boost
No. Variable of the motor control Meaning
(1) Speed.dnSpeedSetpoint Speed setpoint
(2) Current.Current.dnActualMotorCurrent Actual motor current
(3) Current.dnActualQuadratureCurrent Actual Q current
(4) Speed.dnActualMotorSpeed Current motor speed
(5) Frequency.dnActualSlipFrequency Actual slip frequency
(6) Frequency.dnActualRotatingFieldFrequency Actual field frequency
(7) Voltage.dnOutputQuadratureVoltage Q voltage
(8) Voltage.dnOutputDirectCurrentCtrl D voltage
(9) Voltage.dnActualMotorVoltage Current motor voltage