Siemens SINAMICS S Series - Figure 2-151 5030 - Reference model;pre-control balancing;speed limiting

Servo control
Function Diagrams
2-1269
© Siemens AG 2007 All Rights Reserved SINAMICS S List Manual (LH1), 07/2007
Figure 2-151 5030 – Reference model/pre-control balancing/speed limiting
- 5030 -
Function diagram
87654321
fp_5030_01_eng.vsd
DO: SERVO
SINAMICS S
11.05.07 V02.05.00
Servo control - Reference model/pre-control balancing/speed limitation
n_ctrl RefMod fn
0.0...8000.0 [Hz]
p1433[D] (0.0)
n_ctrl RefMod D
0.000...5.000
p1434[D] (1.000)
n_ctrlRefMod t_dead
0.00...2.00
p1435[D] (0.00)
y = x for the factory setting
x
+
y
n_prectrl sym T
0.00...10 000.00 [ms]
p1429[D] (0.00)
n_prectrlSym t_dead
0.0...2.0
p1428[D] (0.0)
y = x for the factory setting
x
[5020.8]
y
Emulating the P-controlled speed control loop
Reference model
Pre-control balancing
Simulation of the build-up of the pre-control torque
r1432
n_prectrl after sym
r0062
n_set after filter
Sampling time, speed control (p0115[1])
Sampling time, current control (p0115[0])
r1436
RefMod v_set outp
p0115[1] (125.00 µs)
+
+
+
Speed
limiting
Speed setpoint limited
r1407.11
r1438
n_ctrl n_set
To status word,
speed controller [2522.3]
To V/f control [5300.1]
To speed controller [5040.1]
n_limit neg eff
r1087
From setpoint limiting [3050.8]
n_limit pos eff
r1084
From setpoint limiting [3050.8]
[3095.7]
[3095.7]
r1119
RFG setpoint on input
n_ctrl n_set 1
p1155[C]
n_ctrl n_set 2
p1160[C]
+
n_ctrl n_set stat
r1444
0
1
n_set via PC
p3983
PcCtrl active
p0807.0
n_set I_comp
r1439
To speed controller
[5040.1]
Steady-state setpoint calculation
+
+
n_precrtl
p1430[C]
+
+
r1084
r1087
r1084
r1087
n_prectrl_2
+
–
From Advanced Positioning Control (APC)
[7012.1]
[7012.8]
0
1
Reference model
speed setpoint
I component
p1400.3
0
1
[3090.8]
n_set from DSC
[2522.7]
Speed setpoint from DSC
r1407.4