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Eckstein komponente POLOLU STSPIN220, User Manual

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https://eckstein-shop.de/

POLOLU STSPIN220 LOW-VOLTAGE STEPPER

MOTOR DRIVER CARRIER

USER’S GUIDE

USING THE DRIVER

Minimal wiring diagram for connecting a microcontroller to a STSPIN220 low-voltage stepper

motor driver carrier

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Summary of Contents for POLOLU STSPIN220

Page 1: ...tein shop de POLOLU STSPIN220 LOW VOLTAGE STEPPER MOTOR DRIVER CARRIER USER S GUIDE USING THE DRIVER Minimal wiring diagram for connecting a microcontroller to a STSPIN220 low voltage stepper motor dr...

Page 2: ...g anything while it is powered is asking for trouble Step and microstep size Stepper motors typically have a step size specification e g 1 8 or 200 steps per revolution which applies to full steps A m...

Page 3: ...ate current levels will not be correctly maintained and the motor will skip microsteps MODE1 MODE2 MODE3 STEP MODE4 DIR Latched step setting Low Low Low Low Full step High Low High Low Half step Low H...

Page 4: ...ard based on the logic of how it works but it is a direct connection to the STBY pin on the driver The EN pin is inverted by our carrier board and presented as ENABLE which makes it the same way as th...

Page 5: ...es but the current must actively be limited to under 1 A to prevent damage to the motor The STSPIN220 supports such active current limiting and the trimmer potentiometer on the board can be used to se...

Page 6: ...e of your stepper motor coils If the driver is in full step mode both coils will always be on and limited to 100 of the current limit setting as unlike some other drivers that limit it to about 70 in...

Page 7: ...down power supply Also if the supply voltage is very high compared to what the motor needs to achieve the set current the duty cycle will be very low which also leads to significant differences betwe...

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