AWG 64 MB MEMORY CARD FOR WII Manual Pagina 23

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6.6 Control circuit for motor-holding brake
A 24V / max.1.5A holding brake in the motor can be controlled directly by the amplifier.
Check voltage drop, measure the voltage at brake input and check brake function
(brake and no brake).
This function does not ensure personnel safety!
The brake function must be enabled through the BRAKE parameter (screen page: Motor,
setting: WITH). In the diagram below you can see the timing and functional relationships
between the ENABLE signal, speed setpoint, speed and braking force.
During the internal ENABLE delay time of 100ms, the speed setpoint of the servo ampli
-
fier is internally driven down an adjustable ramp to 0V. The output for the brake is swit
-
ched on when the speed has fallen to 3% of the preset final speed, at the latest after 1
second.
The rise (f
brH
) and fall (f
brL
) times of the holding brake that is built into the motor are diffe
-
rent for the various types of motor (see motor manual). A description of the interface can
be found on page 41. Operation of the brake in a manner that provides personnel safety
requires an additional “make” contact in the brake circuit, and a suppressor device, such
as a varistor, for the brake circuit.
Recommended circuit
:
SERVOSTAR
®
300 Product Manual 23
Kollmorgen 09/2006 Technical description
SERVOSTAR
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