Lenze E94AxHE Servo Drives 9400 HighLine (Firmware 01-37) - Manual (Page 227)

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Firmware 1.37 - 09/2006 227
9400 HighLine | Parameter setting & configuration
Basic drive functions
Brake control | Grinding the brake
9.11.5 Grinding the brake
This function is required if the brake is exchanged. The holding torque listed in the data
sheet is only reached if the friction partners are ground after installation.
[9-18] Formula for estimating the friction energy during grinding process
Requirements
To activate the grinding of the brake, the following conditions must be fulfilled:
r The grinding speed in C02596 is set higher than 0 rpm.
r The brake is activated, i.e. the "brake closing time" ( C02589 ) and the "waiting time for
status monitoring" ( C02591 ) are elapsed.
r No other source for controller inhibit is active so that the controller inhibit can be
deactivated by the brake control.
Function only implemented from bundle 1.1!

Stop!
If this function is activated, the drive is automatically accelerated to the grinding
speed parameterised in C02596 .
• The axis must move freely without driving against the travel range
limitations.
• The maximally permissible friction energy of the brake must not be exceeded
(observe the specifications of the manufacturer)!
W
total
J [ ] M
K
Nm [ ] 2π
60
------
N min
1
– [ ] t
total
s [ ] ⋅ ⋅ ⋅ ∼
Note!
When grinding the brake it must be ensured that the motor shaft can be kept at
speed against the closed brake.
• For this purpose, make sure that the maximum torque of the motor control
( C00057/2 ) is higher than the holding torque of the brake.