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The STM24QF-3AE integrated stepper is a drive+motor unit, fusing a NEMA 24 step motor and a sophisticated, 6.0 A/phase (peak-of-sine) step motor 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 STM24QF-3AE integrated stepper can operate in all of the same control modes as S models, plus the ability to run a Q program stored in non-volatile memory. Q programs are created using Applied Motion’s Q Programmer™ software, which provides powerful commands for motion, I/O, conditional processing, multi-tasking, math functions, and more.
All STM24 integrated steppers are setup and configured using Applied Motion’s ST Configurator™ software.
An integral 1000-line (4000 count/rev) incremental encoder is housed inside the same enclosure as the drive electronics, providing protection from dust and debris. The integration of the encoder means the stepper can perform special functions not available otherwise. Stall Detection notifies the system as soon as the required torque is too great for the motor, which results in a loss of synchronization between the rotor and stator, also known as stalling. Stall Prevention actually prevents stalling of the step motor by dynamically adjusting motor speed to maintain synchronization of the rotor to the stator. This unique feature allows step motors to operate in a much broader range of applications than previously available to step motors, such as torque-control applications. The Stall Prevention feature also performs static position maintenance, which maintains the position of the motor shaft when at rest.
The STM24QF-3AE comes with 4 digital I/O points, called Flex I/O points, because each point can be individually defined as an input or an output. As inputs, the Flex I/O points accept signals of 5-24 VDC and can be used for connecting pulse & direction signals, end-of-travel limit switches, jog switches, quadrature encoder signals, PLC outputs, sensors, or many other signal types. When defined as digital outputs, the Flex I/O points can be connected to PLC inputs, counters, lights, relays, or other devices. The unit also comes with 1 analog input that accepts 0-5 VDC signals, which can be used for velocity and position control.
The STM24QF-3AE comes with an RS-232 port for programming and serial communications.
|Applied Motion Products
|Max Holding Torque (mNm)
|Max Holding Torque oz (in)
|Max Length (mm)
|Min Operating Temperature (°C)
|Min Operating Temperature (°F)
|Max Operating Temperature (°C)
|Max Operating Temperature (°F)
|Shaft Diameter (mm)
|Shaft Diameter (in)
|Min Input Supply Voltage (VDC)
|Max Input Supply Voltage (VDC)
|NEMA Frame Size
|Number of Axes
|Analog Positioning, Encoder Following, Q Programming, Streaming Commands, Modbus RTU
|Rotor Inertia (kg-m-s²)
|Rotor Inertia (oz-in-s²)
|In-line,Double-ended (Encoder mounted)
|Step Angle (°)
Sample image only. Product may differ