Function diagrams
Vector Control
2-368
© Siemens AG 2007 All Rights Reserved
SINAMICS G120 Control Units CU240S, Edition 05/2007
Fig. 2-42 7210 – Overview of Torque Control with Encoder (VC): P1300 = 23/21 & P1501 = 1
- 7210 -
Function diagram
87654321
7210.vsd
Vector Control
SINAMICS G120
02.04.2007 V3.0
Torque Control with Encoder (VC):
*)
*)
x
y
Asyc.
Mot. 3~
4
Gain current ctrl.
0.00 ... 5.00
P1715.DDS (0.25)
Int.time cur. ctrl
1.0 ... 50.0 [ms]
P1717.DDS (4.1)
Kp Tn
–
–
6
r0068
Output current [A]
5
*)
*)
r0070
Act. Vdc [V]
r0072
Act. outp.volt [V]
+
+
3
*)
*)
**) The speed integrator doesn't work
in the range of the observer model
*) settable via P1500
Torque setp.
(0)
P1503.CDS
Add. trq. setp
(0)
P1511.CDS
Sheet
7710
Torque/current limit
Flux setpoint
Current control,
Observer model
Modulator
Sheet
7910
Lower trq. lim
-99999.00 ... 99999.00 [Nm]
P1521.DDS (-5.13)
Upper trq. lim
-99999.00 ... 99999.00 [Nm]
P1520.DDS (5.13)
Lower trq. lim
(1521[0])
P1523.CDS
Upper trq. lim
(1520[0])
P1522.CDS
Torque limitation
Regener. power lim
-8000.0 ... 0.0
P1531.DDS (-0.75)
Motoring power lim
0.0 ... 8000.0
P1530.DDS (0.75)
r1539
Total lw TrqLim [Nm]
r1538
Total up TrqLim [Nm]
r0079
Total trq setp [Nm]
r0067
Outp cur limit [A]
Motor ovl fact [%]
10.0 ... 400.0 [%]
P0640.DDS (200.0)
Sheet
7800
Scal. low trq. lim
-400.0 ... 400.0 [%]
P1525.DDS (100.0)
r1508
Torque setp. [Nm]
r1515
Add. trq. setp [Nm]
Fval flux setp
50.0 ... 200.0 [%]
P1570.DDS (100.0)
Efficiency optimiz
0 ... 100 [%]
P1580.DDS (0)
r0071
Max. outp.volt [V]
r0075
Cur. setp. Isd [A]
r0077
Cur. setp. Isq [A]
Pulse frequency
2 ... 16 [KHz]
P1800.DDS (4)
r0066
Act. outp freq [Hz]
Tn n-adapt. (SLVC)
1.0 ... 200.0 [ms]
P1767.DDS (4.0)
Kp n-adapt. (SLVC)
0.0 ... 2.5
P1764.DDS (0.2)
Observer
model
r0065
Slip frequency [%]
Current
model
P1300 = 23 or P1300 = 21 and P1501 = 1
Voltage
Encoder
r0063
Act. frequency [Hz]
r1538
r1539
r0061
Act rotor speed [Hz]
2
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