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ST Series Stepper Drives

ST Series Stepper Drives
A Series of Compact Digital Stepper Drives with 4 Control Options for OEM Applications.

  • Sophisticated Current Control
  • Anti-Resonance and Torque Ripple Smoothing
  • Microstep Emulation
  • Encoder Feedback Option
  • CANopen Fieldbus

Downloads

POWER SUPPLY:

  • ST5: 24-48 VDC
  • ST10: 24-80 VDC

OUTPUT CURRENT:

  • ST5: 5A (peak of sine)
  • ST10: 10A (peak of sine)

PROTECTION:

  • Over-voltage
  • Under-voltage
  • Over-temp
  • Motor shorts
  • Motor open phase

 

Control Options

ST-S

*Basic Model

*Pulse & Direction

*CW/CCW Pulse

*A/B Quadrature

*Velocity (oscillator)mode

*Host commands (SCL)

*SiNet Hub compatible

*ST Configurator software for setup

ST-Plus

*Same dimensions and I/O as S models, Plus...

*Q Programmer
for complex motion

*Conditional processing

*Math functions

*Multi-tasking

*Register manipulation

*Encoder following

*Third-party HMI compatibility

ST-Q

*Stand-alone Operation

*Q Programmer
for complex motion

*Conditional processing

*Math functions

*Multi-tasking

*Register manipulation

*Encoder following

*Third-party HMI compatibility

*ST Configurator software for setup

ST-Si

* Stand-alone Operation

*Si Programmer
for simple yet powerful indexing

*Si Programmer with built-in motor configuration

*Motion, I/O, logic

*User friendly GUI

*MMI-01 compatible

ST-C

*CANopen compatible stepper drive

Adheres to CiA draft standards 301 and 402

*Supports Profile Position, Profile Velocity, and Homing modes

*Supports stored Q program execution through AMP-specific object dictionary entry

*Provides twenty-three AMP-specific data registers that can be accessed via both the CANopen network and a stored Q program

Specifications

AMPLIFIER TYPE

Dual H-Bridge,4 Quadrant

CURRENT CONTROL

4 state PWM at 20 Khz

OUTPUT TORQUE

ST5:0.1-5.0 amps/phase in 0.01 amp increments
ST10:0.1-10.0 amps/phase in 0.01 amp increments

POWER SUPPLY

ST5:External 24-48 VDC Power Supply Required
ST10:External 24-80 VDC Power Supply Required

INPUT VOLTAGE RANGE

ST5:18-53 VDC
ST10:18-88 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

0-55°C (32 - 158°F) drive must be mounted to suitable heatsink

HUMIDITY

90% non-condensing

MICROSTEP RESOLUTION

Software selectable from 200 to 51200steps/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 and 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 syntyesizing 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).

 


ST-S,Plus Modesl:

NON-VOLATILE STORAGE

Configuations are saved in FLASH memory on-board the DSP.

MODES OF OPERATION

ST-S:Step & Direction,CW/CCW,A/B Quadrature,Oscillator,Joystick,SCL,Hub.
ST-Plus:Ssam as ST-S plus stand-alone execution of stored programs created using Q programmer application software.

STEP AND DIRECTION INPUTS

Optically Isolated,Differential,5Volt. Minimum pulse width=250ns.Maximum pulse frequency=2 MHz
Function:Step & Direction,CW/CCW Step,A/B Quadrature,Run/Step & Direction,Jog CW & CCW,CW & CCW Limits, or general purpose.
Adjustable bandwidth digital noise rejection filter.

ENABLE INPUT

Optically Isolated,5-12 Volt Function:Motor Enable,Alarm Reset,Speed Select(Oscillator Mode), or general
purpose.

OUTPUT

Optically Isolated, 24V, 10mA MAX.
Function:Fault, Motion,Tach, or general purpose.

ANALOG INPUT RANGE

0 TO 5VDC

ANALOG INPUT
RESOLUTION

12 bit

COMMUNICATION
INTERFACE

RS-232 for configuration, serial commands,and connection to a SiNet Hub

AGENCY APPROVALS

RoHS
CE (EMC):EN 61800-3:2004
CE(LVD,ST5-S):EN 61800-5-1:2003
CE(LVD,ST10-S):LVD 2006/95/EC

 

ST-Q,Si,C Models:

NON-VOLATILE STORAGE

Programs,data and drive configuration are saved in FLASH and EEPROM memory.

MODE OF OPERATION

ST-Q:Stand-alone execution of stored programs created using Q Programmer application software.
ST-Si:Stand-alone execution of stored programs created using Si Programmer application software.
ST-C:CANopen node

INPUTS

X1,X2Optically Isolated,Differential, 5Volt.
Minimum pulse width = 250ns.
Maximum pulse frequency=2 MHz
Function:Step & Direction,CW/CCW Step,A/B Quadrature,Encoder Following,Sensor,Home or Branch Select

X3* Optically isolated,12-24V,sourcing or sinking,
Function:Motor Enable,Sensor,Home or Branch Select

X4*Optically isolated,12-24V,sourcing or sinking,
Function:Motor Enable,Sensor,Home or Branch Select

X5,X6*Optically isolated,12-24V,sourcing or sinking,
Function:Motor Enable,Sensor,Home or Branch Select

X7,X8Optically isolated,12-24V
Function:CW & CCW Limitsr Sensor,Home or Branch Select

*NOTE:Inputs X3-X6 have a shared common.

OUTPUT

Y11 Optical darlington,30V,100mA max, NPN/sinking.
Function:Brake or general purpose programmable.

Y21 Optical darlington,30V,100mA max, NPN/sinking.
Function:Brake or general purpose programmable.

Y31 Optical darlington,30V,100mA max, NPN/sinking.
Function:Brake or general purpose programmable.

Y4 Optical darlington,30V,100mA max, configurable as sinking or sourcing.
Function:general purpose programmable

*NOTE:Outputs Y3-Y3 have a shared common.

TWO ANALOG INPUTS

RANGE
Software selectable:0-5V,+-5V,0-10V,+-10V
RESOLUTION
12 bits (with +-10V singal range)
11 bits (with 0-10V or +-5V signal range)
10 bits (with 0-5V signal range)
*NOTE:Si Programmer does not support the analog inputs of ST-Si drives.

EANALOG INPUT RANGE

0 to Differential line receivers suitable rates to 2 MHz. Employs encoder to provide Stall Detection and Stall Prevention w/static Position Maintenance.

COMMUNICATION INTERFACE

ST-Q,Si:RS-232 for configuration,programming serial commands, and connection to a SiNet Hub;optional RS-485 for serial commands/networking
ST-C:RS-232 for configuration and programming;CANopen for communications and control

AGENCY APPROVALS

RoHS
CE (EMC):EN61800-3:2004

 

Software

ST Configurator
Used for setup and configuration of the ST series drives.(Runs on Windows Vista, XP, 2000, NT, ME, 98.)

Si Programmer
Intended for use inf stand-alone applications, Si Programmer provides a user-friendly, point-and-click,graphical interface that doesn't require any previous programming experience to use.

(Runs on Windows Vista, XP, 2000, NT, ME, 98).

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).

CANopen Example Program
Example program that provides an easy point-and-click way to verify and test drive operation across different CANopen operating modes.C# source code is included to show how CANopen commands may be sent from a PC-based program,or to modify program to work with a different CAN adapter.

(Runs on Windows. Requires Kvaser Leafight USB-CAN adaptor to run program.Requires a compatible programming environment to view source code).

 


         

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