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STM23S-2AN
Integrated Stepper Drives/Motors with Advanced Features and Control Options
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Product Specs
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| Additional Features 1 | Integrated Driver |
| Amplifier Type | Dual H-Bridge, 4 Quadrant |
| Construction Type | Single Shaft |
| Control Interfaces & Operating Modes | Analog Input Voltage: 0 to 5 Vdc; Analog Input Resolution: 12 bits; Current Control: 4 state PWM at 20 kHz; Step and Direction Inputs: STEP ±: Optically Isolated, 5 to 24V; minimum pulse width : 250 ns; maximum pulse frequency : 3 MHz; function: Step, CW Step,A quadrature, encoder following,CW limit, CW jog, start/stop (oscillator mode) DIR ±: Optically isolated, 5 to 24V; minimum pulse width : 250 ns; maximum pulse frequency : 3 MHz; function: DIR, CCW step,B quadrature, encoder following,CCW limit, CCW jog, sensor, DIR (oscillator mode), adjustable bandwidth digital noise rejection filter on all inputs.; Enable Inputs: EN±: Optically isolated, 5 to 24V; minimum pulse width : 250 ns; maximum pulse frequency : 3 MHz; function: enable, reset, speed 1/speed 2 (oscillator mode) |
| Control Mode | Step and direction, CW/CCW, A/B quadrature, oscillator, joystick, SCL, hub |
| Data Interface | RS232 |
| Form factor | NEMA 23 |
| Functions | Fault, motion, tach or general purpose programmable |
| GrossWeightValue | 2.68 |
| Holding Torque | 125 oz-in |
| Mechanical Form-Factor & Load Capacity | Rotor Inertia: 0.0037 oz-inch² |
| Motion Precision & Smoothness | Microstep Resolution: Software selectable from 200 to 51200 steps/rev in increments of 2 steps/rev; Anti-Resonance: Raises the system damping ratio to eliminate midrange instability and allow stable operation throughout the speed range and improves settling time; Torque Ripple Smoothing: Allows for fine adjustment of phase current waveform harmonic content to reduce low-speed torque ripple in the range 0.25 to 1.5 rps; Microstep Emulation: Performs high resolution stepping by synthesizing fine microsteps from coarse steps (step and direction mode only); Command Signal Smoothing: Software configurable filtering reduces jerk and excitation of extraneous system resonances (step and direction mode only) |
| Operating Temperature, Max | 50 °C |
| Operating Temperature, Min | -20 °C |
| Output Detail | Optically isolated, 24V, 40 mA max NPN/sinking |
| Process Temperature Note | 0 to 40°C (32 to 104°F) (mounted to suitable heatsink) |
| Process Temperature, Max | 40 °C |
| Process Temperature, Min | 0 °C |
| Protection | Over-voltage, undervoltage, over-temp, motor/wiring shorts (phase-to-phase, phase-to-ground) |
| Relative Humidity | 90 % non-condensing |
| Series ID | SMT-Srs-Stepper-Motors |
| Smart Tuning & Diagnostics | Auto Set-Up: Measures motor parameters and configures motor current control and anti-resonance gain settings; Self Test: Checks internal and external power supply voltages; diagnoses open motor phases and motor resistance changes >40%; detects encoder wiring and signal faults (differential encoder only); Non-Volatile Storage: Configurations are saved in FLASH memory on-board the DSP; Idle Current Reduction: Reduction range of 0 to 90% of running current after delay selectable in milliseconds |
| Supply Power Note | External 12 to 70 Vdc power supply required |
| Supply Voltage | 12 to 70Vdc |
| Weight | 1 lb |
| Country of Origin | China |
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