Vector Control
Function diagrams
2-371
© Siemens AG 2007 All Rights Reserved
SINAMICS G120 Control Units CU240S, Edition 05/2007
Fig. 2-45 7700 – Torque Controller and Torque Limitation without Encoder (SLVC)
Stat 2 ctrl
r1407
r1407
Stat 2 ctrl
r1407
r1407
- 7700 -
Function diagram
87654321
7700_TC.vsd
Vector Control
SINAMICS G120
02.04.2007 V3.0
1
0
-1
MIN
MAX
+
Imax
0
1
0
MIN
MAX
**)
*)
Id
**)
r1538
r1539
.8
.9
b
FP7500
a
and FP7500
.8
.9
FP7500
FP7500
FP7900
FP7900
M [Nm] =
⋅
1000 P [kW]
2 f
⋅⋅
Power limitation
Speed precontrol
**) selectable with P1500
*) Access level 4
Add. trq. setp
(0)
P1511.CDS
(0)
BI:-> torque ctrl.
P1501.CDS
Stat 2 ctrl
r1407
r1407
Stat 2 ctrl
r1407
r1407
Torque setp.
(0)
P1503.CDS
Rated mot. current
0.01 ... 10000.00 [A]
P0305.DDS (1.86)
Motor ovl fact [%]
10.0 ... 400.0 [%]
P0640.DDS (200.0)
Upper trq. lim
-99999.00 ... 99999.00 [Nm]
P1520.DDS (5.13)
Upper trq. lim
(1520[0])
P1522.CDS
Motor temperature
Inverter temperature
i
2
t
inverter
Lower trq. lim
-99999.00 ... 99999.00 [Nm]
P1521.DDS (-5.13)
Lower trq. lim
(1521[0])
P1523.CDS
Scal. low trq. lim
-400.0 ... 400.0 [%]
P1525.DDS (100.0)
r1515
Add. trq. setp [Nm]
r1518
Accel. torque [Nm]
r0067
Outp cur limit [A]
r1508
Torque setp. [Nm]
r1526
Upper trq. lim [Nm]
act. frequency
Motoring power lim
0.0 ... 8000.0
P1530.DDS (0.75)
Regener. power lim
-8000.0 ... 0.0
P1531.DDS (-0.75)
r1527
Lower trq. lim [Nm]
Flux setpoint
Motor stall
protection
enable
Scal acc. trq ctrl
0.0 ... 400.0 [%]
P1499.DDS (100.0)
Inertia [kg*m^2]
0.00010 ... 1000.00000
P0341.DDS (0.00180)
Tot/mot inert.rat.
1.000 ... 400.000
P0342.DDS (1.000)
Speed limitation
controller
(only for torque
control)
Resultant max freq [Hz]
r1084
Forward speed
Observer model
Current control
r0079
Total trq setp [Nm]
r1538
Total up TrqLim [Nm]
r1539
Total lw TrqLim [Nm]
r1537
Max trq reg cur [A]
r1536
Max trq mot cur [A]
*)
Speed controller output
Torque Control & Limitation without Encoder (SLVC)
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