Compound Braking - Siemens micromaster 410 Operating Instructions Manual

Issue 04/02
4.3.2 OFF2
This command causes the motor to coast to a standstill (pulses disabled).
NOTICE
The OFF2 command can have one or more sources. By default the OFF2
command is set to Operator Panel. This source still exists even if other sources are
defined by one of the following parameters, P0700 to P0704 inclusive.
4.3.3 OFF3
An OFF3 command causes the motor to decelerate rapidly.
If a digital input is used as a source for OFF3, the digital input has to be closed
(high) in order to start the motor. If OFF3 is high, the motor can be started resp.
stopped by re-setting OFF1 or OFF2.
If OFF3 is low the motor cannot be started.
Ø Ramp down time:
NOTICE
OFF3 can be combined with DC braking or Compound braking.
4.3.4 DC braking
DC braking is possible together with OFF1 and OFF3. A DC current is applied to
stop the motor quickly and hold the shaft stationary after the end of the braking
period.
Ø Enable DC braking:
Ø Set DC braking period:
Ø Set DC braking current:
NOTICE
If no digital input is set to DC braking and P1233 ≠ 0, DC braking will be active after
every OFF1 command with the time set in P1233.
4.3.5

Compound Braking

Compound Braking is possible with both OFF1 and OFF3. For Compound Braking
a DC component is added to the AC current.
Set the braking current:
MICROMASTER 410 Operating Instructions
6SE6400-5EA00-0BP0
see P1135
see P0701 to P0704
see P1233
see P1232
see P1236
4 Using the MICROMASTER 410
47