Siemens SINAMICS G220 - Page 597

- 7017 -
1
Technology functions DC braking (p0300 = 1xxx)
© Siemens AG
2 3 4 5 6 7 8
V6.02.00
<4>
Motor de-excitation time
0.000 ... 20.000 [s]
p0347 [M] (0.000)
DC braking braking current
0.00 ... 10000.00 [Arms]
p1232 [M] (0.00)
DC braking time
0.0 ... 3600.0 [s]
p1233 [M] (1.0)
Speed at the start of DC braking
0.00 ... 210000.00 [rpm]
p1234 [M] (40000.00)
I_max voltage controller
proportional gain
0.000 ... 100000.000
p1345 [D] (0.000)
I_max voltage controller integral time
0.000 ... 50.000 [s]
p1346 [D] (0.030)
r1239.8 1 = DC braking active
r1239.10 1 = DC braking ready
1
p0347
p1234
p1233
p1232
p0347
<3>
p1232
t
t
t
t
p0347
p1232
t
t
p1234
<3>
0
4,5,14
4,14
5 0
0
c1230 [C]
(0)
DC braking/armature short circuit activation DC braking fault response
OFF OFF1/OFF3
<4>
DC braking/armature short
circuit configuration
p1231 [M] (0)
Pulse inhibit
n_act n_act n_act
|I_set|
n_set
|I_set|
n_set
|I_act| |I_act| |I_act|
Pulse inhibit
Pulse inhibit
Braking response
|I_set|
n_set
p1231 = 4 p1231 = 5
p1231 = 14
MIN
|I_set|
Kp Tn
–
+
[8021] From I²t control
To pulse inhibit To sequence control
The parameters of the
I_max current controller are also used.
Current controller P gain
0.000 ... 100000.000
p1715 [D] (0.000)
Current controller integral-action time
0.00 ... 1000.00 [ms]
p1717 [D] (2.00)
The DC brake current is determined during automatic calculation (p0340 = 1).
<3> <2> <1> The de-magnetization time is determined during automatic calculation (p0340 = 1, 3).
As soon as the standstill threshold (p1226) has been reached, the DC current injection will be aborted prematurely.
DC brake upon falling below the starting speed for DC brake (p1234).
<1>
<2>
r0068[0]
Absolute current actual value Unsmoothed [Arms]
[2511.2]
r0072 Output voltage [Vrms]
Figure14-184 7017 - DC braking
Functions
14.11Drive functions
SINAMICS G220 converter
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB 595