Siemens SINAMICS S120 Function Manual page 216

Basic functions
6.9 Armature short-circuit brake, internal voltage protection, DC brake
0... 3
p1231[M] (0)
p1230[C]
4
(0)
0
<2>
0...20 [s]
p0347[M] (0)
Figure 6-5 DC brake
Function diagrams (see SINAMICS S120/S150 List Manual)
● 7014 External armature short circuit (p0300 = 2xx or 4xx, synchronous motors)
● 7016 Internal armature short circuit (p0300 = 2xx or 4xx, synchronous motors)
● 7017 DC brake (p0300 = 1xx, induction motors)
Overview of important parameters (see SINAMICS S120/S150 List Manual)
● p1226 Standstill detection, velocity threshold
● p1230[0...n] BI: Armature short-circuit/DC brake activation
● p1231[0...n] Armature short-circuit/DC brake configuration
● p1232[0...n] DC brake, braking current
● p1233[0...n] DC braking time
● p1234[0...n] DC brake starting speed
● p1235[0...n] BI: External armature short-circuit, contactor feedback signal
● p1236[0...n] External armature short-circuit, contactor feedback signal monitoring time
● p1237[0...n] External armature short-circuit, waiting time when opening
● r1238 CO: Armature short-circuit, external state
● r1239.0..10 CO/BO: Armature short-circuit/DC brake status word
216
<1>
0...10000 [A] 0...3600 [s] 20...210000 [1/min]
p1232[M] (0) p1233[M] (0) p1234[M] (0)
p0347
p1232
p1234
p0347
<3>
p1232
p1233
[5730]
[6714]
t
r1239.10
[8014]
t
<4>
t r1239.8
t
Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5
r0068[0]
0.000...100000.000 0.000...50.000 [s]
p1345[D] (0.000) p1346D] (0.030)
<6>
<6>
Kp Tn
–
0.000...100000.000 [V/A] 0.00...1000.00 [ms]
p1715[D] (0.000) p1717[D] (2.00)
<5> <5>
p0115
r0072
[5730][6730]
[6300]
Drive functions