7-36
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
The following table shows you how to make parameter quality selection for
any given axis dynamic response desired. The time values MD46 and MD47
are added to the previously documented machine data from basic startup.
These times are essentially needed on a step drive-specific basis. They
amount to a few ms. However, should the axis machinery have a tendency to
vibrate, they can be used e.g. in the case of seamless transition between ac-
celeration and delay (e.g. when traversing short distances), in order to pre-
vent the resultant doubling of acceleration jump, or to permit the vibration
which is induced at this discontinuous location, to die out by adding a
constant travel time.
Table 7-6
Effect of Machine Data that Defines Response for the
Open-loop Controlled Operation of the Step Drive
MD54
MD55
MD57...60
MD46
MD47
Soft travel behavior
small
–
small
great
great
Suppression of reso-
nance
great
–
great
great
great
Short positioning time
great
great
great
small
small
By implementing test movements in accordance with 7-20, optimize the step-
per motor control to your requirements. Check all speed ranges, and if appli-
cable give the greatest weight in evaluating the results to the speed that is the
most significant for your technology.
Set
Servo = ON
Set
Speed level 1 = 0
.
1
V
max
Speed level 2 = 0.5
V
max
Select
Mode = jogging
Speed level 2
OVER = various values
Start axis
Yes
No
Additional testing desired?
Evaluate axis response
Plus or minus direction
(be sure there is enough room!)
END
Uniformity of movement
Tendency to vibration
Positioning time
Fig. 7-20
Test Movements for Optimizing the Stepper Motor Control System
Optimization of
Dynamic Re-
sponse
Triggering Test
Movements
Starting up the FM 453
Содержание SIMATIC FM 453
Страница 6: ...vi FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Preface ...
Страница 14: ...xiv FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Table of Contents ...
Страница 28: ...2 4 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Basic Principles of Positioning ...
Страница 96: ...5 34 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Defining Parameters of the FM 453 ...
Страница 316: ...10 20 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Writing Traversing Programs ...
Страница 358: ...A 6 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Technical Specifications ...
Страница 372: ...C 4 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 List of Abbreviations ...
Страница 378: ...Index 6 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Index ...