Siemens Model 240 Service Manual download pdf (Page 587)

Vector control

Function diagrams

2-587

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SINAMICS G120 / Control Units CU240B/E-2 Parameter Manual (LH11), 01/2011

Fig. 2-83 6030 – Speed setpoint, droop

- 6030 -

Function diagram

87654321

FP_6030_97_54.vsd

Vector control

G120 CU240B/E-2

13.12.2010 V4.4

Speed setpoint, droop

3

2

1

0

0

10

0

+

0

1

0

[6060.8]

[3050.8]

[3050.8]

[3080.8]

[6040.8]

[6060.5]

[6060.8]

[6730.1]

[6060.3]

[2520.7]

p1492

[2522.3]

[2522.3]

<2>

<1>

[2522.3]

[6031.1]

1 0

[6799.1]

r1482

n_ctrl I-M_output [Nm]

r0079

M_set total [Nm]

STW n_ctrl

r1406

r1406

.11

r1508

M_set bef. M_suppl [Nm]

Droop input source

0 ... 3

p1488 [D] (0)

Droop scaling

0.000 ... 0.500

p1489 [D] (0.050)

ZSW n_ctrl

r1407

r1407

.10

r0060

n_set before filt. [1/min]

r1170

n_ctrl setp sum [1/min]

ZSW n_ctrl

r1407

r1407

.11

r1490

Droop n_reduction [1/min]

Droop input

n_set_filt 1 T

0.00 ... 5000.00 [ms]

p1416 [D] (0.00)

r0062

n_set after filter [1/min]

Mot MomInert Ratio

1.000 ... 10000.000

p0342 [D] (1.000)

Mot M_mom of inert

0.000000 ... 100000.000000 [kgm²]

p0341 [D] (0.000000)

a for M_ctrl scal

0.0 ... 400.0 [%]

p1499 [D] (100.0)

r0079

M_set total [Nm]

ZSW n_ctrl

r1407

r1407

.11

ZSW n_ctrl

r1407

r1407

.2

n_ctrl config

p1400.15

1 = Sensorless vector control,

speed pre-control active

Pre-control speed

Only active, if p1488 > 0

150 ms

Droop M_comp scal

-2000.0 ... 2000.0 [%]

p1487 [D] (100.0)

Droop M_comp

(0)

p1486 [C]

N

M

n

N

r1084

n_limit pos eff [1/min]

r1087

n_limit neg eff [1/min]

<2>

<1>

Scaling: p1489 = 0.100 - for a rated motor torque of r0333 - results in a speed setpoint reduction of 0.1 x p0311.

1 2 ... 582 583 584 585 586 587 588 589 590 591 592 ... 749 750

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