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STM Series Drives
The STM Series is an integrated stepper drive+motor unit, fusing step motor and drive technologies into a single device, offering savings on space, wiring, and cost over conventional motor and drive solutions. The STM also fits with the ST product family of step motors and drives for a complete motion control system.
- Dynamic Current Control
- Anti-Resonance
- Torque Ripple Smoothing
- Microstep Emulation
Downloads
OUTPUT TORQUE:
- STM23x-2 - to 125 oz-in
- STM23x-3 - to 210 oz-in
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PROTECTION:
- Over-Voltage
- Under-Voltage
- Over-Temp
- Motor Shorts
- Motor Open Phase
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Models
S - models
- Pulse & Direction
- CW/CCW Pulse
- A/B Quadrature
- Velocity (Oscillator) mode
- Host commands (SCL compatible)
- SiNet Hub compatible
- ST Configurator software for setup
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Q - models
- Stand-alone Operation
- Q Programmer for complex motion
- Conditional Processing
- Math Functions
- Multi-tasking
- Register Manipulation
- Encoder Following
- “Generic” HMI compatibility
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Connections
- 3 digital inputs
- 1 digital output
- 1 analog input
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Connections
- 3 digital inputs
- 1 digital output
- 1 analog input
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Specifications:
POWER AMPLIFIER: All Models
| AMPLIFIER TYPE |
Dual H-Bridge, 4 Quadrant |
| CURRENT CONTROL |
4 state PWM at 20 Khz |
| OUTPUT TORQUE |
STM23x-2 Series - TO 125 OZ-IN WITH SUITABLE POWER SUPPLY
STM23x-3 Series - TO 210 OZ-IN WITH SUITABLE POWER SUPPLY |
| POWER SUPPLY |
External 12 - 70 VDC Power Supply Required |
| INPUT VOLTAGE RANGE |
12 - 70 VDC |
| PROTECTION |
Over-Voltage, Under-voltage, Over-Temp, Motor/wiring shorts (Phase-to-Phase, Phase-to-Ground) |
| IDLE CURRENT REDUCTION |
Reduction range of 0 – 90% of Running Current after delay selectable in milliseconds |
| AMBIENT TEMPERATURE |
0 to 40°C (32 - 104°F) (mounted to suitable heatsink) |
| HUMIDITY |
90% non-condensing |
CONTROLLER: All Models
| MICROSTEP RESOLUTION |
Software selectable from 200 to 51200 steps/rev in increments of 2 steps/rev |
ANTI-RESONANCE
(Electronic Damping) |
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 |
| AUTO SETUP |
Measures motor parameters and configures motor current control and anti-resonance gain settings |
| SELF TEST |
Checks Internal & External Power supply voltages. Diagnoses open motor phases and motor resistance changes >40%. Detects encoder wiring and signal faults (differential encoder only) |
| MICROSTEP EMULATION |
Performs high resolution stepping by synthesizing fine microsteps from coarse steps (Step & Direction Mode Only) |
| COMMAND SIGNAL SMOOTHING |
Software configurable filtering reduces jerk and excitation of extraneous system resonances (Step & Direction Mode Only) |
CONTROLLER: S Models
| NON-VOLATILE STORAGE |
Configurations are saved in FLASH memory on-board the DSP |
| MODE OF OPERATION |
Step & Direction, CW/CCW, A/B Quadrature, Oscillator, Joystick, SCL, Hub |
| STEP AND DIRECTION INPUTS |
STEP +/-
Optically Isolated, 5-24 Volt. Minimum pulse width = 250 ns. Maximum pulse frequency = 3MHz
Function: Step, CW Step, A Quadrature, Encoder Following, CW Limit , CW Jog, START/STOP (Oscillator mode)
DIR+/-
Optically Isolated, 5-24 Volt. 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 INPUT |
EN+/-
Optically Isolated, 5-24 Volt. Minimum pulse width = 250 ns. Maximum pulse frequency = 3 MHz Function: ENABLE, RESET , SPEED 1/SPEED 2 (Oscillator mode) |
| OUTPUT |
Optically Isolated, 24V, 40mA MAX
Function: Fault, Motion, Tach. |
| ANALOG INPUT RANGE |
0 to 5VDC |
| ANALOG INPUT RESOLUTION |
12 bits |
| COMMUNICATION INTERFACE |
RS-232 or RS-485 |
CONTROLLER: Q Models
| INPUTS |
STEP +/-
Optically Isolated, 5-24 Volt. 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), General Purpose Input
DIR+/-
Optically Isolated, 5-24 Volt. 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), General Purpose Input
EN+/-
Optically Isolated, 5-24 Volt. Minimum pulse width = 250 ns. Maximum pulse frequency = 3 MHz
Function: ENABLE, RESET , SPEED 1 /SPEED 2 (Oscillator mode), General Purpose Input
Adjustable bandwidth digital noise rejection filter on all inputs |
| OUTPUT |
Optically Isolated, 24V, 40mA MAX
Function: Fault, Motion, Tach. |
| ANALOG INPUT RANGE |
0 to 5 VDC |
| ANALOG INPUT RESOLUTION |
12 bits |
| COMMUNICATION INTERFACE |
RS-232 or RS-485 |
APPROVALS: All Models
| AGENCY APPROVALS |
RoHS
CE Certified |
PHYSICAL: All Models
| MASS |
STM23x-2xx = 1lb 14oz
STM23x-3xx = 2lb 10oz |
| ROTOR INERTIA |
STM23x-2xx = 1.42 oz-in2
STM23x-3xx = 2.51 oz-in2 |
| OPERATING TEMP RANGE |
-20 to +50°C |
Torque Curves:
 
Software:
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ST Configurator
Used for setup and configuration of the drive+motor. For more information about the ST Configurator visit the Applied Motion Products Website. (Runs on Windows Vista, XP, 2000, NT, ME, 98.) |
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Help Manuals
ST Configurator incorporates new on-line help menus. All the technical data, application information and advice on setting up the drive is now just a mouse click away. (Runs in any web browser) |
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Q Programmer
Q Programmer is used to create and edit stand-alone programs for Q version drives. The functions of these drives include multi-tasking, math, register manipulation, encoder following, and more. (Runs on Windows Vista, XP, 2000, NT, ME, 98.) |
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