The integrated ASI8122 stepper motor drive combines stepper motor, output stage and fieldbus connection in a space-saving design in the voltage range of up to 48 V DC. It is suitable for all motion requirements in the power range up to 250 W. The standstill torque of the motor is 1.40 Nm. The integrated stepper motor drive with flange code N2 (56 mm) and motor length 2 has a stepper motor typical shaft diameter b = 8 mm with a flat and a free shaft end of d = 20.6 mm.