Siemens SINAMICS G120 List Manual page 940

<1>
Mot t_de-excitat
0.000 ... 20.000 [s]
p0347 [M] (0.000)
DCBRK config
0 ... 14
p1231 [M] (0)
DCBRK Akt
p1230 [C]
<3>
14 4
(0)
OFF
0
DCBRK ZSW
r1239
r1239
p1231 = 4 (control command)
DCBRK ZSW
r1239
r1239
p1231 = 5 (OFF1/OFF3)
DCBRK ZSW
r1239
r1239
DC braking fault response
<1> The de-magnetization time is determined during automatic calculation (p0340 = 1, 3).
<2> The DC braking current is determined during automatic calculation (p0340 = 1).
<3> DC braking when starting speed for DC braking (p1234) is fallen below.
1 2
Technology functions
DC braking (ASM, p0300 = 1)
<2>
DCBRK I_brake DCBRK time DCBRK n_start
0.00 ... 10000.00 [Arms] 0.0 ... 3600.0 [s] 0.00 ... 210000.00 [rpm]
p1232 [M] (0.00) p1233 [M] (1.0) p1234 [M] (210000.00)
n_act
Pulse suppression
n_set
p1234
t
p0347
|I_set|
p1232
|I_act|
t
p1233
Pulse suppression
n_act
n_set
t
p0347
|I_set|
p1232
|I_act|
t
Braking response
n_act Pulse suppression
n_set
p1234
t
|I_set|
p0347
p1232
|I_act|
t
p1233
3 4
I_act abs val [Arms]
Current actual values
[6714]
To pulse inhibit
To sequence control
DCBRK ZSW 0.000 ... 100000.000
p1345 [D] (0.000)
r1239
r1239 .10
1 = DC braking ready
|I_set|
–
MIN
From I²t control [8020]
0.000 ... 100000.000
p1715 [D] (0.000)
To pulse inhibit
To sequence control
To pulse inhibit
To sequence control
DCBRK ZSW
r1239
r1239 .8
[2511.1]
1 = DC braking active
5 6
fp_7017_97_51.vsd
05.09.2017 V4.7.9
r0068[0..1]
The parameters of the
I_max current controller are also used.
I_max_U_ctrl Kp I_max_U_ctrl Tn
0.000 ... 50.000 [s]
p1346 [D] (0.030)
U_output [Vrms]
Kp Tn
r0072
To control [6730]
To U/f characteristic
[6301]
I_ctrl Kp I_ctrl Tn
0.00 ... 1000.00 [ms]
p1717 [D] (2.00)
7 8
Function diagram
- 7017 -
G120 CU250S-2