Lenze 9400 User Manual download pdf (Page 227)

Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06 227

5 Motor interface

5.9 Monitoring

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Failure of multiple motor phases during operation

This function is available from software version V10.0!

The following operating modes enable the detection of multiple motor phases during operation:

• VFCplus: V/f control closed loop

• SLVC: Sensorless vector control

The monitoring for failure of multiple motor phases is active if

1. C00597

is set to a response other than "No response" (Lenze setting) and

2. the motor voltage exceeds the threshold value parameterised in C02867

.

The "Motor disconnected" fault message is issued if the motor current is lower than the device-

dependent threshold value for > 20 ms.

The monitoring for failure of multiple motor phases can be deactivated if a value of 1000.0 V is

parameterised in C02867

.

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