Operating instructions

28 Application manual Positioning 04/08
4 Operation Modes of the Positioning
4.1 General Issues about Operation Modes
The following operation modes are available for positioning. Operation modes:
Positioning mode. Automatic operation for sequence-controlled and repeatable
approach to different targets in an application. The target can be selected via an
overriding controller (parameter channel of field bus or digital inputs).
Homing. A homing operation is performed in order to define a new point of ref-
erence in the system. After a homing operation, the identified point of reference
is used as the basis of all positioning operations.
JOG mode. This operation mode enables free moving via digital inputs. This
mode is often used for setup or service purposes.
Teach-in mode. Teach-in mode is normally used only during first commissioning
of a plant or after the plant has been retrofitted. In this mode, a current position
can be saved for a motion block in the frequency inverter.
"Positioning Mode" and "Teach-In Mode" are selected via parameter Operation
Mode
1221. "Homing Mode" is activated either automatically or manually. "JOG
Mode" is activated via a digital input which deactivates "Positioning Mode".
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