1. 2009 Distributor Training
Applied Motion Products, Inc.
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

2. 2009 Distributor Training
STM23 Series
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

3. STM = Drive + Motor
The STM23 Series are 2-phase
hybrid step motors with full-
featured drive electronics
mounted directly to the rear end
bell of the motor.
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

4. STM Basics
STM = Drive + Motor
Frame sizes
Two control options
Two stack lengths
Two communication port options
Encoder option
Part Numbering System
I/O
Supply Voltage Sold & Serviced By:
Software Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

5. STM Basics
STM = Drive + Motor
• ST Series drive electronics mounted directly to
the back of the step motor
ST drive step motor
Sold & Serviced By:
Toll Free Phone: 877-378-0240
STM
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

6. STM Basics
STM = Drive + Motor
• Connections between motor, encoder, and drive
all done internally
• STM = STepper drive + Motor
Connectors
Connector board
Drive/controller board
Encoder Sold & Serviced By:
Motor Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

7. STM Basics
Frame Sizes
• NEMA 23 currently available
• NEMA 17 and 34 in the works (STM17 and STM34)
• NEMA “24” in the works (STM24)
NEMA 24 is our designation for a motor that is slightly
larger than a NEMA 23, but has the same mounting
dimensions as the NEMA 23. Only the shaft diameter
of the NEMA 24 is larger: 8 mm vs. 0.25 inch
NEMA 24 has more torque than a NEMA 23 Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

8. STM Basics
Two control options
• S = basic model
Step & direction
Velocity (oscillator)
SCL host mode
SiNet Hub compatible
• Q = Q programmable version
Everything in the “S”, plus Q programming
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

9. STM Basics
Two stack lengths
• A 2 or 3 in the part number designates length
• 2 = 3.64 inch overall length, 125 oz‐in h.t.
• 3 = 4.50 inch overall length, 210 oz‐in h.t.
• With or without encoder the unit length does not
change
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

10. STM Basics
Two communication port options
• A = RS‐232
Configuration
SCL
Hub
• R = RS‐485
Configuration
Serial networking with SCL and Q
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

11. STM Basics
Encoder option
• An E in the part number
designates an internal
incremental encoder
• Encoder functions include
Stall Detection
Stall Prevention with Position
Maintenance
Precise alignment to an index pulse
• An N in the part number means no
encoder Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

12. STM Basics
Part numbering system
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

13. STM Basics
Build a part number
Requirements
• Stored program for stand‐alone operation
• Stall Detection required
• Serial port only needed for configuration
• Minimal torque requirement
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

14. STM Basics
Stored program execution Serial port for configuration only
Minimal torque required Stall Detection required
STM23Q-2AE Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

15. STM Basics
I/O
• 3 digital inputs, 5‐24 VDC
STEP
• Step, run (oscillator), A quadrature, CW pulse, CW limit,
general purpose
DIR
• Direction, B quadrature, CCW pulse, CCW limit, general
purpose
EN
• Enable, speed select (oscillator), alarm reset, general purpose
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

16. STM Basics
I/O (cont’d)
• 1 digital output, 24 VDC
OUT
• Fault, brake, motion, tach
• 1 analog input, 0‐5 VDC
AIN
• Speed reference (oscillator mode), general purpose
• 12 bit resolution Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

17. STM Basics
Supply Voltage
• Accept 12 – 70 VDC
• Recommended power supplies:
300 W at 48 VDC
150 W at 24 VDC
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

18. STM Basics
Software
• ST Configurator™ – configuration (S, Q)
• SCL Utility – SCL commands (S, Q)
• SiNet Hub Programmer™ – Hub mode (S, Q)
For programming SiNet Hubs
For use with RS‐232 versions only
• Q Programmer™ – Q programming (Q only)
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

19. STM Advantage
Sophisticated current control
Encoder feedback options
Powerful control modes
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

20. STM Advantage
Sophisticated current control
• Anti‐resonance means smoother motion and
higher torque
Without electronic damping With electronic damping
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

21. STM Advantage
Sophisticated current control
• Separate acceleration and running current
settings permit cooler motor temperature in
constant velocity applications
Running current set at
3 A/phase
Accel/decel current set at
5 A/phase
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

22. STM Advantage
Sophisticated current control
• Microstep emulation allows you to microstep even
with low‐cost, low‐resolution controllers
coarse steps
from external microstep emulation
indexer performed by drive
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

23. STM Advantage
Encoder feedback
• Stall Detection notifies the system as soon a the
motor misses a step.
• Sends an output signal from the drive as soon as
the motor mis‐positions.
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

24. STM Advantage
Encoder feedback
• Stall Prevention actually prevents missed steps by
dynamically adjusting motor speed to match the
torque requirement.
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

25. STM Advantage
Encoder feedback
• Position Maintenance helps maintain correct
motor position at rest.
• Position Maintenance is automatically turned on
when Stall Prevention is selected.
Remove external force &
External force applied shaft returns to correct
Motor shaft at rest to motor shaft rest position
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

26. STM Advantage
Encoder feedback
• Use the index pulse for precise shaft orientation
• Index channel is input “0” in the drive
Encoder disc
Index
pulse
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

27. STM Advantage
Powerful control modes
• S versions provide several control modes to
choose from
Pulse & direction, CW/CCW Pulse
A/B quadrature (encoder following)
Velocity (oscillator)
Host mode (SCL)
SiNet Hub mode
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

28. STM Advantage
Powerful control modes
• Q versions add a powerful motion controller
Create stored programs for stand‐alone operation
Commands for…
• Motion
• I/O
• Logic
• Math
• Multi‐tasking
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

29. Application Examples
Shuttle Conveyor
Component Testing
Remote Pan & Tilt
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

30. Application Examples
Shuttle Conveyor
• Intermediate section of conveyor that rotates to
feed parts to one of three outbound conveyors.
• Selection of outbound conveyor (position) comes
from analog output of a master PLC.
• Application requirements:
Integrated (no control cabinet near conveyor section)
Hard stop homing
Precise analog positioning over 3.5 revolutionsSold & Serviced By:
Toll Free Phone: 877-378-0240
No stalling Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

31. Application Examples
Shuttle Conveyor
• Solution
Integrated = STM
Analog positioning = Q
No stalling = built‐in encoder for stall prevention
Part number = STM23Q‐3AE
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

32. Application Examples
Component Testing
• One half of electrical connector module is fixed.
• Other half of connector module is mounted to
ballscrew actuator.
• Motor needs to make and break the electrical
connection by cycling the actuator back and
forth.
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

33. Application Examples
Component Testing
• Application requirements:
Limited wiring
Test needs to run from PC
Counter display to show cycle count
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

34. Application Examples
Component Testing
• Solution
Limited wiring = STM
Run from PC = S version in SCL mode receives a set
of Feed to Length (relative move) commands for
each cycle
Counter display = digital output from STM drive
increments the counter each cycle
Part number = STM23S‐2AN
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

35. Application Examples
Remote Pan & Tilt
• X‐Y control of HD video camera via remote 2‐axis
joystick
• Application requirements:
Limited wiring – motors mounted directly to camera
pan & tilt axes
Smooth motion
Good “feel” for operator
Analog joystick control Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

36. Application Examples
Remote Pan & Tilt
• Solution
Limited wiring = STM
Smooth motion = anti‐resonance built into current
control of every STM unit
Analog joystick control = S version in velocity mode
can be offset to work with a center‐off, spring
loaded joystick. One STM drive for each axis.
Good “feel” = jerkiness of quick changes in joystick
can be smoothed out with separate drive settings
for accel, decel, and analog filtering Sold & Serviced By:
Part number = STM23S‐2AN Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

37. Stepper Drives from AMP
STAC6 Series
ST Series
STM Series
• AMP advantages…
Sophisticated current control
Anti‐Resonance
Encoder feedback functions
Powerful control options
Excellent price Sold & Serviced By:
Excellent performance Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

38. Stepper Drives from AMP
New features coming soon…
• STM with expanded I/O
New connector board option
8 digital inputs
4 digital outputs
RS‐485 port
Sold & Serviced By:
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com

39. Stepper Drives from AMP
Now in Beta release…
• CANopen on ST Series
Profile Position mode
Profile Velocity mode
Homing mode
ST5‐C, ST10‐C stepper drives
Available now!
• CANopen on STM coming soon Sold & Serviced By:
• Also available now on SV Series servo drives
Toll Free Phone: 877-378-0240
Toll Free Fax: 877-378-0249
sales@servo2go.com
www.servo2go.com