Operating Instructions

SINAMICS G120 CU230P-2 Control Units List Manual, 04/2018, A5E33838102
695
3 Function diagrams
3.13 Technology functions
Fig. 3-126 7017 – DC braking (ASM, p0300 = 1)
- 7017 -
Function diagram
87654321
fp_7017_97_51.vsd
Technology functions
G120 CU230P-2
13.03.2018 V4.7_10
DC braking (ASM, p0300 = 1)
MIN
[6714]
Kp Tn
p0347
p1234
p1233
p1232
p0347
p1232
<1> <2>
0
4
t
t
t
t
OFF
p1231 = 5 (OFF1/OFF3)
Pulse suppression
Pulse suppression
n_act
n_set
|I_set|
n_act
n_set
Braking response
|I_set|
The DC braking current is determined during automatic calculation (p0340 = 1).
The de-magnetization time is determined during automatic calculation (p0340 = 1, 3).
To pulse inhibit
To sequence control
From I²t control [8021]
|I_set|
Current actual values
The parameters of the
I_max current controller are also used.
To display signals [6799]
(0)
DCBRK Akt
p1230 [C]
DCBRK config
0 ... 14
p1231 [M] (0)
DCBRK I_brake
0.00 ... 10000.00 [Arms]
p1232 [M] (0.00)
DCBRK time
0.0 ... 3600.0 [s]
p1233 [M] (1.0)
DCBRK n_start
0.00 ... 210000.00 [rpm]
p1234 [M] (210000.00)
DCBRK ZSW
r1239
r1239
.10
DCBRK ZSW
r1239
r1239
.8
I_max_U_ctrl Kp
0.000 ... 100000.000
p1345 [D] (0.000)
I_max_U_ctrl Tn
0.000 ... 50.000 [s]
p1346 [D] (0.030)
r0072
U_output [Vrms]
r0068[0..1]
I_act abs val [Arms]
I_ctrl Kp
0.000 ... 100000.000
p1715 [D] (0.000)
I_ctrl Tn
0.00 ... 1000.00 [ms]
p1717 [D] (2.00)
Mot t_de-excitat
0.000 ... 20.000 [s]
p0347 [M] (0.000)
14
To pulse inhibit
To sequence control
To pulse inhibit
To sequence control
p1233
p1232
p0347
t
t
Pulse suppression
n_act
n_set
|I_set|
|I_act|
DC brake fault response
p1231 = 4 (control command)
DC braking when starting speed for DC braking (p1234) is fallen below.
DCBRK ZSW
r1239
r1239
DCBRK ZSW
r1239
r1239
DCBRK ZSW
r1239
r1239
<3>
p1234
–
1 = DC braking active
1 = DC braking ready
[2511.1]
|I_act|
|I_act|
<3>
<2>
<1>