Operational Sequence; Organization Blocks For Motion Control - Siemens SIMATIC S7-1500 Function Manual
Update 3
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Also See for SIMATIC S7-1500:
- System manual (523 pages) ,
- Function manual (362 pages) ,
- Manual (188 pages)
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Basics
3.20 Operational sequence
3.20
Operational sequence
3.20.1
Organization Blocks for Motion Control
Description
When you create a technology object, organization blocks are automatically created for
processing the technology objects. The Motion Control functionality of the technology objects
creates its own execution level, and is called according to the Motion Control application
cycle.
The following blocks are created:
● MC-Servo [OB91]
Calculation of the Position Controller
● MC-Interpolator [OB92]
The organization blocks are protected (know-how protection). The program code cannot be
viewed or changed.
The frequency relationship of the two organization blocks to one another is always 1:1.
MC-Servo [OB91] is always executed before MC-Interpolator [OB92].
You can set the application cycle and the priority of the organization blocks according to your
requirements for control quality and system load.
78
Evaluation of the motion control instructions, generation of setpoints and monitoring
functionality
S7-1500 Motion Control V13 Update 3
Function Manual, 07/2014, A5E03879256-AC
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