The following flow diagram illustrates the drive selection procedure for a positioning drive. The drive consists of a gearmotor that is supplied by an inverter.
Required information about the machine to be driven
- Technical data and ambient conditions.
- Positioning accuracy
- Speed setting range
- Calculating the travel cycle
|
↓ |
Calculate the relevant application data
- Travel diagram
- Rotational speeds
- Static, dynamic torques
- Regenerative power
|
↓ |
Gear unit selection
- Defining gear unit type, gear unit size, gear unit ratio, and gear unit design.
- Checking the positioning accuracy.
- Checking the gear unit load.
- Checking the input speed.
|
↓ |
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.)
|
↓ |
Inverter selection
- Selecting the communication variant
- Selecting the safety feature.
- Determining the control mode
- Motor/inverter assignment
- Check if the inverters fulfill the duration and overload requirements.
|
↓ |
Select the braking resistor
- Checking if the braking resistor fulfills the duration and overload requirements.
- Observe braking resistor assignment.
|
↓ |
Select other system components
- Motor and supply system cables
- Signal and encoder cables
- EMC accessories
|
↓ |
Selecting the 24 V voltage supply
- Determine the current demand of the 24 V voltage supply.
- Observe the requirements for the voltage tolerance.
|
↓ |
Ensure that all requirements have been met. |
