Lenze 9400 Manual de usuario descargar pdf (Pagina 549)

Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06 549

11 Basic drive functions

11.12 Brake control

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11.12.8 Carrying out brake test

This function can be used to check the holding torque of the brake.

 Tip!

You can carry out this test in regular intervals, e. g. to detect a defect or wear of the brake

at an early stage.

Requirements

In order to be able to activate the brake test, the following requirements have to be met:

• The test torque in C02594

is set higher than 0 Nm.

• The permissible angle of rotation is set greater 0° in C02595

, thus standstill monitoring is

active.Standstill monitoring

( 526)

• The brake is activated, i.e. the "brake closing time" (C02589

) and the "waiting time for status

monitoring" (C02591

) are elapsed.

• No other source for controller inhibit is active so that the controller inhibit can be deactivated

by the brake control.

 Note!

Due to possible deviations in the torque generation, the test of the holding torque

cannot determine the holding torque exactly!

• The generated motor torque can deviate up to ±15 % from the default value

depending on temperature.

• The test torque is internally limited to the value of the motor reference torque

(C00057/2

). A higher parameterisation of C02594 is automatically limited to this

value.

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