The
STM17R-3ND integrated stepper is a drive+motor unit, fusing a NEMA 17
step motor and a sophisticated 2.0 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. See Related and
Recommended Products below for compatible 24 and 48 volt DC
power supplies.
The STM17R-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 pulses outputs – referred to as CW/CCW
pulse or pulse-pulse – instead of pulse & direction. The STM17R
works with these controllers as well simply by changing one of the setup
dip switches on the drive.
Note that STM17R 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
STM17 integrated stepper family .
The STM17R-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
STM17R-3NN. If an encoder is needed consider the STM17R-3NE, which comes with an incremental encoder already assembled to the rear shaft.
Each STM17R 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 STM17R, a
mating connector with 12-inch flying leads is included with each unit.
All STM17R integrated steppers are RoHS and CE compliant.
- Sophisticated current control
- Anti-resonance
- Torque ripple smoothing
- Microstep emulation
- NEMA 17 frame size
- Step & direction or CW/CCW pulse control modes
- Dip switch setup (no software required)
Download the STM17R-3ND specification sheet in *.pdf format