Siemens MICROMASTER 440 Operating Instructions Manual page 121

Issue 10/06
Braking functions
Priorities are assigned to the various braking functions. For instance, if a DC brake
or a compound brake is activated, then this has a higher priority than the dynamic
brake (resistance-type braking).
DC braking
P1233 > 0
?
DC braking
enabled
DC-Bremse
BI: Enabling the DC brake
P1230 = ...
This enables DC braking using a signal that was used from an external source. The
function remains active as long as the external input signal is active. DC braking causes
the motor to quickly stop by injecting a DC current
BI: Enable DC brk.
P1230.C
(0:0)
DC braking active
r0053
Bit00
Note: DC brake can be applied in drive states r0002 = 1, 4, 5
P1232 =... DC braking current (entered in %)
Defines level of DC current in [%] relative to rated motor current (P0305).
MICROMASTER 440 Operating Instructions
6SE6400-5AW00-0BP0
Compound
no
braking
P1236 > 0
?
yes
Compound braking
enabled
1
0
⏐f⏐
f*
P0347
i
1
0
Dynamic
no
braking
P1237 > 0
?
yes
Dynamic braking
enabled
DC braking
3 Functions
no
yes
disabled
f_set
f_act
100 %
t
t
t
t
121