The STM23 is a integrated motors combines motor+drive+encoder into one device. It supports RS232, RS485 and CANopen, and MOONS’ Q programmer control mode. External switch such as position limit, joystick are also supported.
● Anti-Resonance ● Torque Ripple Smoothing ● Microstep Emulation ● Stall Detection and Stall Prevention ● Dynamic Current Control ● Command Signal Smoothing
Brand Name: MOONS'
330.0 - 642.0
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The STM is an integrated all-in-one solution, fusing step motor and drive technologies into a single device, offering savings on space, wiring and cost over conventional motor and drive solutions.
Anti-ResonanceStep motor systems have a natural tendency to resonate at certain speeds.The SR drives automatically calculate the system’s natural frequency and apply damping to the control algorithm. This greatly improves midrange stability, allows higher speeds and greater torque utilization, and also improves settling times. Provides better motor performance and higher speeds
Microstep EmulationWith Microstep Emulation, low resolution systems can still provide smooth motion. The drive can take low resolution step pulses and create fine resolution motion. Delivers smoother motion in any application
Torque Ripple SmoothingAll step motors have an inherent low speed torque ripple that can affect the motion profile of the motor. By analyzing this torque ripple the system can apply a negative harmonic to counter this effect. This gives the motor much smoother motion at low speed.
Command Signal SmoothingCommand Signal smoothing can soften the effect of immediate changes in velocity and direction, making the motion of the motor less jerky. An added advantage is that it can reduce the wear on mechanical components. Improves smoother system performance
Improves smoother system performanceAt start-up the drive measures motor parameters, including the resistance and inductance, then uses this information to optimize the system performance.
Dynamic Current Control Running Current - the current the drive will deliver for continuous motion. Accel Current - the current the drive will deliver when accelerating or decelerating. Idle Current - reduces current draw when motor is stationary. Allows for three current settings to help the motor run cooler and reduce power consumption.
Stall Detection & Stall Prevention The optional encoder detects the rotor’s position to provide Stall Detection and Stall Prevention functions.
•Step & Direction •CW & CCW pulse •A/B quadrature (master encoder) •Software configuration via communication port
• Software Configuration • Two Speeds • Vary speed with analog input • Joystick compatible
RS-232 • Accepts commands from host PC or PLC RS-485 or Modbus/RTU • Accepts commands from host PC or PLC • Multi-axis capable, up to 32 axes
• Accepts commands from host PC or PLC • 1000's of axes with Ethernet and Ethernet/IP
• CANopen Model • Connect to CANopen network • CiA301 and CiA402 protocols • Multi-axis capable, up to 127 axes
• Comprehensive text based languaged • Download, store & execute programs • High level features: multi-tasking, conditional programming and math functions • Host interface while executing stored programs
Software selectable from 200 to 51200 steps/rev in increments of 2 steps/rev.
Optional 4000 counts/rev encoder feedback
Speeds up to 3000 rpm
Configurations are saved in FLASH memory on-board the DSP
Modes of Operation
STM23S: Step & direction, CW/CCW pulse, A/B quadrature pulse, velocity (oscillator, joystick), streaming commands (SCL) STM23Q: All STM23S modes of operation plus stored Q program execution STM23C: CANopen slave node plus stored Q program execution STM23IP: All STM23Q modes of operation plus EtherNet/IP industrial network communications
S/Q/IP type: Adjustable bandwidth digital noise rejection filter on all inputs STEP+/- : Optically isolated, 5-24 volt. Minimum pulse width 250 ns. Maximum pulse frequency = 2MHz Function: Step, CW step, A quadrature (encoder following), CW limit, CW jog, start/stop (oscillator mode), or general purpose input. DIR+/- : Optically isolated, 5-24 volt. Minimum pulse width = 250 ns. Maximum pulse frequency = 2 MHz. Function: Direction, CCW step, B quadrature (encoder following), CCW limit, CCW jog, direction (oscillator mode), or general purpose input. EN+/- : Optically isolated, 5-24 volt. Minimum pulse width = 100 μs. Maximum pulse frequency = 10 KHz. Function: Enable, alarm/fault reset, speed 1/speed 2 (oscillator mode), or general purpose input C type: Adjustable bandwidth digital noise rejection filter on all inputs IN1+/-: Optically isolated, 5-24 volt. Minimum pulse width = 250 ns. Maximum pulse frequency = 2 MHz. Function: CW limit, CW jog, or general purpose input. IN2+/-: Optically isolated, 5-24 volt. Minimum pulse width = 250 ns. Maximum pulse frequency = 2 MHz. Function: CCW limit, CCW jog, or general purpose input IN3+/-: Optically isolated, 5-24 volt. Minimum pulse width = 100 μs. Maximum pulse frequency = 10 KHz. Function: general purpose input
OUT+/-: Optically isolated, 30V/100mA max. Function: Fault, brake motion, tach, or general purpose programmable
AIN referenced to GND. Range = 0 to 5 VDC. Resolution = 12 bits.(Not present on STM23C)
S/Q type: RS-232, RS-485, Modbus/RTU, Ethernet TCP or UDP C type: CANopen & RS-232 IP type: EtherNet/IP
0 to 40°C (32 to 104°F) When mounted to a suitable heat sink
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Considering all possible harsh application environments, MOONS' specially designed labels for each product, which pass water-resistance test, durability rub test, high temperature resistance and corrosion resistance tests.
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Note: This label design is suitable for products of stepper motor.
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