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The STM23R-3ND integrated stepper is a drive+motor unit, fusing a NEMA 23 step motor and a sophisticated 5.0 A/phase (peak-of-sine) stepper drive into a single device. Power to the drive, located at the rear of the motor, must be supplied by an external DC supply.
The STM23R-3ND is designed for step & direction control from an external controller. The external controller can be a motion controller, PLC, or other device that provides two digital outputs: one output for digital pulses to control position and velocity of the motor, and a second output to control the direction of the motor, CW and CCW. Some controllers provide two pulse outputs – referred to as CW/CCW pulse or pulse-pulse – instead of pulse & direction.
The STM23R works with these controllers as well simply by changing one of the setup dip switches. Note that STM23R integrated steppers are not available with any communication options (such as Ethernet, RS-485, etc.) or additional control modes (such as velocity, streaming commands or Q programming). For these and other functions see other models in the STM23 integrated stepper family.
The STM23R-3ND comes with a rear shaft which can be used to mount encoders, hand wheels, couplers, etc. If the rear shaft is not needed purchase the STM23R-3NN. If an encoder is needed consider the STM23R-3NE, which comes with an incremental encoder already assembled to the rear shaft. Each STM23R integrated stepper comes with 3 digital inputs and 1 digital output. Two of the digital inputs (labeled STEP and DIR) accept signals of 5-24 VDC and are used for controlling position and velocity of the motor, either via pulse & direction or CW/CCW pulse outputs from an external controller. The third digital input (EN) accepts signals of 5-24 VDC and can be used to enable/disable power to the motor shaft. The digital output (OUT) can be used to indicate drive and motor faults by connecting it to an available digital input on the external controller.
To facilitate connecting I/O signals and DC power to the STM23R, a mating connector with 12-inch flying leads is included with each unit.
All STM23R integrated steppers are RoHS compliant.
|Vendor||Applied Motion Products Inc.|
|Short Description||Drive + Motor + Control Unit|
|Operating Mode||Step & Direction|
|Min Input Supply Voltage (VDC)||12|
|Max Input Supply Voltage (VDC)||70|
|Max Shaft Diameter (mm)||6.35|
|Max Shaft Diameter (in)||0.25|
|Max Holding Torque (mNm)||1483|
|Max Holding Torque oz (in)||210|
|Motor Construction||Hybrid Stepper|
|NEMA Frame Size||23|
|Motor Shape||Square Body|
|Number of Axes (Motors)||1|
|Rotor Inertia (kg-m-s²)||4.60E-05|
|Rotor Inertia (oz-in-s²)||6.51E-03|
|Step Angle (°)||1.8|
|Min Operating Temperature (°C)||0|
|Max Operating Temperature (°C)||85|
|Min Operating Temperature (°F)||32|
|Max Operating Temperature (°F)||185|
|Max Length (mm)||107|
|Shaft Orientation||In-line,Double-ended (Encoder mounted)|
Sample image only. Product may differ