Schematic workflow for project planning
The following flow diagram illustrates the project planning procedure for drive selection. The drive consists of a gearmotor that is powered by an inverter.
Necessary information regarding the machine to be driven
- Technical data and ambient conditions
- Speed setting range
- Travel cycle calculation
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Calculation of the relevant application data
- Travel diagram
- Speeds
- Static, dynamic torques
- Regenerative power
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Gear unit selection
- Define the gear unit size, gear unit ratio, and gear unit design
- Check the gear unit load
- Check the input speed
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Motor selection
- Maximum torque
- With dynamic drives: effective torque at medium speed
- Maximum speed
- Observe dynamic and thermal torque curves
- Motor equipment (brake, plug connector, thermal motor protection, etc.)
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Selection of the inverter
- Communication selection
- Motor/inverter assignment
- Check whether the inverters fulfill the duration and overload requirements
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Selection of the braking resistor, depending on the size of the inverter
- Check whether the braking resistor fulfills the duration and overload requirements
- Observe braking resistor assignment
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Selection of other system components
- Motor and supply system cables
- Signal cables
- EMC accessories
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Selection of 24 V voltage supply
- Determine the current demand of the 24 V voltage supply
- Observe the requirements for the voltage tolerance
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Ensure that all requirements have been met. |