Lenze 9400 Uživatelský manuál stáhnout pdf (Strana 527)

Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06 527

11 Basic drive functions

11.12 Brake control

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

11.12.2.4 Brake activation in automatic operation

Brake activation through N < N

min

[11-33] Process of brake activation through N < Nmin

 Tip!

The value in C02581

should be set to approx. 5 ... 20 % of the maximum speed to minimise

the wear of the brake and also provide for an optimum braking behaviour by a low grinding

of the brake.

 Speed setpoint

 Actual speed value

 C02581

: Brake activation threshold

• If the motor speed falls below the

threshold for brake activation set in

C02581

, the function "Close brake" is

activated in the automatic operation

(mode 2/12).

• Here only the absolute value of the motor

speed is considered, the direction of

rotation remains unconsidered.

• In manual operation (mode 1/11) C02581

has no function.

t

t



t

01

n

Standstill

BRK_bReleaseBrakeOut

t

Stopping

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