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2 off2, 3 off3, 4 dc braking – Siemens MICROMASTER 411 User Manual

Page 64: 5 compound braking

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4 Using the MICROMASTER 411 / COMBIMASTER 411

Issue 03/01

MICROMASTER 411 & COMBIMASTER 411 Operating Instructions

64

6SE6400-5CA00-0BP0

4.3.2 OFF2

This command causes the motor to coast to a standstill.

NOTICE
The OFF2 command can have one or more sources. By default the OFF2
command is set to BOP/AOP. This source still exists even if other sources are
defined by one of the following parameters, P0700, P0701, P0702, P0703 and
P0704.

4.3.3 OFF3

An OFF3 command causes the motor to decelerate rapidly.
For starting the motor when OFF3 is set, the binary input has to be closed (high). If
OFF3 is high, the motor can be started and stopped by ON/OFF1 or ON/OFF2.
Ist AUS3 geöffnet, ist ein Starten des Motors nicht möglich.

Ramp down time: see P1135

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.

set DC braking:

see P0701 to P0704

set braking period: see P1233

set braking current: see P1232

NOTICE
If no digital input is set to DC braking and P1233

0, DC braking will be active after

every OFF1 command.

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:

see P1236