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Whenever material is transported, for example,
in conveyor or logistic applications, a large number of motion sequences
must be controlled. These are often linear movements in the form
of hoists, trolleys or conveyor belts, and rotary movements in the
form of rotary tables. The rotary movements of rotary tables or
rotary distributors, for example, are frequently clocked. Conveyor
belts, so-called timing belts, also represent clocked applications.
Rotary tables are a specific drive application.
The material is always clocked one specified angle further for further
processing. Typically, the movement is only performed in one direction.
Rotary distributors are another application. In this case, the material
is distributed among different positions. Distance-optimized positioning
is often required. The new position is always reached using the
shortest route.
The clocked conveyor belt application is similar
to the rotary table. The material on the conveyor belt is always
clocked one specified length further. A complete conveyor belt cycle
corresponds to a 360° movement of a rotary table.
The drive solution with MOVIDRIVE® is based on the “Modulo Positioning” application module.
The “Modulo Positioning” application module is a component of the
MOVITOOLS® software for the application
version of MOVIDRIVE® B. The
user-friendly interface guides you through the process of setting
the parameters. Only those parameters required for the specific
application, such as positions, ramps and speeds, must be entered.
The application module uses this information to create the control
program and loads it into the inverter. MOVIDRIVE® assumes complete movement control,
thus freeing up the machine control. You have the option of selecting
whether the inverter is controlled by binary input or by fieldbus.
No matter how large the variety of applications,
the wide range of functions provided by the "Modulo Positioning"
application module offers the right solution for every task.
- 16 target positions or step widths
can be defined and selected. Control using the fieldbus also allows
you to define target positions and step widths as variable values.
- For each of the 16 target positions or step widths,
you can set the travel speed and ramp separately.
- The angle error can be corrected with flying referencing
when the gear unit reduction ratio is an odd number.
- For a non-positive (= with slip) connection between
the motor shaft and application, an external incremental encoder
can be referenced.
- The application units can be defined as required.
- Automatic calculation of position resolution and graphical
position display.
- Guided, easy-to-follow startup procedure and diagnostics.
One of the main MOVIDRIVE® features
used in the application modules is IPOSplus® positioning
and sequence control. Based on the specifications, an IPOSplus® program in MOVIDRIVE® controls the entire motion sequence
through the application module as machine-oriented as possible in
MOVIDRIVE®.
In addition to rotary tables, rotary distributors
and timing belts, the "Modulo Positioning" application module can
naturally be used for further applications. Examples are:
- Wide range of functions
- User-friendly user interface
- You only have to enter the parameters needed for the
application
- Guided parameter setting process instead of complicated
programming
- No programming experience required
- Rapid familiarization with the system
- Either terminal control or fieldbus control
- Movement control is carried out completely by the IPOSplus® program in MOVIDRIVE®
- Decentralized concepts can be implemented more easily
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