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5 Motor interface

5.9 Monitoring

214

Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06

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5.9 Monitoring

5.9.1 Signal flow

[5-33] Signal flow of motor interface (monitoring)

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)

a+b

22

S

DI_bOVDetected

DI_bUVDetected

MCTRL_dnIxtLoad

const.

const.

const.

MCTRL_dnI2xtLoad

C00597

C00599

C00173

C00174

C00128

C00129

C00786

C00120

C00790

MCTRL_dnDCBusVoltageC00779

MI_bMotorOverloadWarning

C00053

³1

MI_dnActualDCBusVoltage

(15)

C00055/1

C00055/2

C00055/3

U

V

W

(16)

(17)

(18)

C00018

C00022

const.

Error message

"Failure of motor phase"

Error message "Earth fault detected"

DC-bus voltage

DC-bus voltage filter

Phase currents

Thermal motor model

DC-bus voltage

Actual Q-current

Actual D-current

Error message "Overcurrent detected"

Rotating field frequency

No. Variable of the motor control Meaning

(15) Voltage.dnActualDCBusVoltage Actual DC-bus voltage

(16) Current.dnActualCurrentPhaseU Actual motor current (phase U)

(17) Current.dnActualCurrentPhaseV Actual motor current (phase V)

(18) Current.dnActualCurrentPhaseW Actual motor current (phase W)

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