Siemens Sinamics G120 Series User Manual

Vector Control
Function diagrams
2-369
© Siemens AG 2007 All Rights Reserved
SINAMICS G120 Control Units CU240S, Edition 05/2007
Fig. 2-43 7500 – Speed Controller without Encoder (SLVC): P1300 = 20 & P1501 = 0
- 7500 -
Function diagram
87654321
7500_SLVC.vsd
Vector Control
SINAMICS G120
02.04.2007 V3.0
Speed Controller without Encoder (SLVC):
0
>0
r0064
Dev. freq ctrl [Hz]
Kp Tn
**) **)
r1538 r1539
150 ms
0 2 1 3
0
0
*)
1 0
a
FP7700
b
FP7700
FP7700 FP7700
r0079 r1508
FP7900
Speed from observer model
P1300 = 20 and P1501 = 0
**) changeable in run via DDS *) Access level 4
Ramp generator Torque limitation Torque limitation
r1490
Droop freq. [Hz]
Droop input source
0 ... 3
P1488.DDS (0)
Droop scaling
0.00 ... 0.50
P1489.DDS (0.05)
Forward speed
Observer model
Speed precontrol
Torque limitation
Speed controller output
Torque limitation
Inertia [kg*m^2]
0.00010 ... 1000.00000
P0341.DDS (0.00180)
Tot/mot inert.rat.
1.000 ... 400.000
P0342.DDS (1.000)
Scal acc. prectrl.
0.0 ... 400.0 [%]
P1496.DDS (0.0)
r1438
Freq. setp ctl [Hz]
r1518
Accel. torque [Nm]
Gain n-ctrl (SLVC)
0.0 ... 2000.0
P1470.DDS (3.0)
Tn of n-ctrl. SLVC
25 ... 32001 [ms]
P1472.DDS (400)
r1482
Int.outp n-ctrl [Nm]
Config. of n-ctrl.
- ... -
P1400.DDS (0001 bin)
(0)
Set integrator
P1477.CDS
Set int. value
(0)
P1478.CDS
r1445
Act. filt freq [Hz]
Act.spd.filt. SLVC
2 ... 32000 [ms]
P1452.DDS (2)
r0063
Act. frequency [Hz]
r0062
Freq. setpoint [Hz]
Resultant max freq [Hz]
r1084
(0)
Enable droop
P1492.CDS
1
Sheet
7900

Siemens Sinamics G120 Series Specifications

General

Series	Sinamics G120
Protection Class	IP20
Communication Interfaces	PROFIBUS, PROFINET, USS, Modbus RTU
Safety Integrated	STO
Power Supply	24 V DC
Ambient Temperature	-10 to +50 °C (depending on the specific model)
Power Rating	0.37 kW to 250 kW
Storage Temperature Range	+70 °C
Relative Humidity	5% to 95% (non-condensing)