4 MICROMASTER 430 functions
MICROMASTER 430 Operating Instructions
50 6SE6400-5AC00-0BP0
4.3.2 OFF2
This command causes the motor to run down freely to a standstill (impulses
deactivated).
ATTENTION
The OFF command can have one or more sources. The default causes the OFF2
command to be set to BOP-2. This source continues to exist even if other sources
are defined by one of the parameters P0700 to P0708.
4.3.3 OFF3
The OFF3 command causes the motor to be slowed down quickly.
The binary input must be closed to start the motor if the command OFF3 has been
set. If OFF3 is closed, the motor can be started and stopped by commands OFF1
or OFF2.
If OFF3 is open, the motor cannot be started..
Ø ramp-down time: see P1135
ATTENTION:
OFF3 can be combined with DC braking, compound braking or dynamic braking.
4.3.4 DC braking
DC braking is possible together with OFF1 and OFF3. Direct current is input which
brakes the motor quickly and holds the shaft until the end of the braking period.
Ø Activate DC braking: see P0701 to P0708
Ø Set DC brake period: see P1233
Ø Set DC braking current: see P1232
Ø Set DC braking start frequency: see P1234
ATTENTION
If no digital input is set to DC braking, DC braking is active for P1233 ≠ 0 after
every OFF1 command with the period set in P1233.
4.3.5 Compound braking
Compound braking is possible with OFF1 and OFF3. In the case of compound
braking , a DC component is superimposed on the alternating current.
Set braking current : see P1236
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