Siemens SINAMICS G120D - Fig. 2-96 4025 - Dynamic following error monitoring, cam controllers

Function diagrams Position control 2-686
© Siemens AG 2012 - 2013 All Rights Reserved
SINAMICS G120D List Manual (LH14), 01/2013
Fig. 2-96 4025 – Dynamic following error monitoring, cam controllers
- 4025 -
Function diagram
87654321
fp_4025_97_55.vsd
Position control
G120D CU250D-2
12.12.2012 V4.6
Dynamic following error monitoring, cam controllers
1
0
[4015.1]
+
[4015.1]
1
0
[4015.5]
<1>
<1>
p2534 >= 100 %
p2534 < 100 %
0
1
0
1
xy
Store
+
1
1
0
1
[3646.3]
[3645.7]
[3645.7][3616.6][3617.7]
[3616.1][3617.6]
(2683.12)
Signal fixed stop
p2553
s_act
(2521[0])
p2532
s_act
(2521[0])
p2532
(2683.14)
Signal TfS act
p2552
n_prectrl fact
0.00 ... 200.00 [%]
p2534 [D] (0.00)
POS_ZSW2
r2684
r2684
1 = Following error within tolerance
.8
s_delta_monit tol
0 ... 2147483647 [LU]
p2546 [D] (1000)
Following err max
0 ... 2147482647 [LU]
p2634 [D] (1000)
Fixed stop monit
0 ... 2147482647 [LU]
p2635 (100)
Cam position 1
-2147483648 ... 2147483647 [LU]
p2547 (0)
Cam position 2
-2147483648 ... 2147483647 [LU]
p2548 (0)
F07452 "Following error too high"
ZSW
r2526
r2526
.4
1 = Fixed stop reached
[3616.1][3617.6]
ZSW
r2526
r2526
1 = Fixed stop outside window
.5
[3616.1]
ZSW
r2526
r2526
1 = Clamping active when traveling to fixed stop
.8
[3645.3]
POS_ZSW1
r2683
r2683
.8
1 = Position actual value <= cam switching position 1
[3645.3]
POS_ZSW1
r2683
r2683
.9
1 = Position actual value <= cam switching position 2
With a pre-control factor of less than 100 % (p2534 < 100 %), the PT1 model emulates an additional time constant of the control loop subordinate to the position controller.
Dynamic following error monitoring
Cam controllers
Position setpoint after the pre-control
ballancing filter
PT1
model
r2563
Follow error dyn [LU]
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