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The indexers are characterised by their ability to be controlled either via an RS232/485 interface or via the general purpose inputs in conjunction with a program downloaded in the unit.
The indexers generate a pulse train to a servo or step motor driver. This pulse train controls the velocity and position of the motor.
The speed, acceleration, deceleration and distance travelled can be controlled by commands received via the RS232/485 interface or from the downloaded program.
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The SMX-2 module is designed to drive stepper motors in conjunction with external drive stages.
Up to 10 axes can be driven simultaneously using modules combined in a SYSTEM-90E. This includes the possibility of mixing various types of axes. Each axis can be traversed or positioned in any way desired, either individually or coordinated with other axes.
Either position control modules, motion control modules or even stepper motor indexers can be used: the programming techniques are identical.
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The SMD41/42 series of micro and mini-step drivers is available in 13 different models, with supply voltages from 15VDC to 160VDC, 3, 6 and 9 Amp models, full- half-, mini- and micro-step resolutions that can be changed by dipswitch, up to 25000 step/revolution, and more.
The 160V driver, SMD42 is physically similar to the popular SMD41 mini-step driver, but is intended for high-velocity, high-torque applications. The SMD42 can be powered by a 160VDC supply (compared to 80VDC for the SMD41). This yields up to double the torque at velocities over 500RPM. Heat generation is kept to an absolute minimum through the use of the latest MOSFET technology.
Together with JVL step motor MST 340-342, the 160 V version, SMD42, achieves a remarkable torque of 7-8Nm even at high velocities.
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Specially designed Step Motor Driver can be directly mounted on the motor
JVL has developed the smallest step motor driver to date, SMD73. The Driver measures only 52.4 x 52.4 mm and can be directly mounted on the motor. It fits onto most types of high-torque motor, and can of course also be mounted on a surface.
The PCB is equipped with an 8-pin connector. 4 terminals are used for the motor connection, 2 for the external power supply, and 2 are used to control the motor via step-pulse and direction signals. The Driver supplies 2.6A RMS in each phase, and current is automatically regulated to 0.8A when the motor is not receiving step pulses. The Driver controls the motor in half-step mode, which results in 400 steps/rev. The Driver can handle up to 20 ksteps/sec and a "half-step" current regulation ensures that the current is increased by a factor of 1.4 every second step in order to yield maximum motor torque.
The Driver can be powered from 15-28VDC up to 5A. It is equipped with a green LED which indicates that power is on, and a red LED which indicates an error condi-tion.
For other applications, the Driver is available with step resolutions of 1/1, 1/4, 1/8 steps/rev., and with selectable motor current.
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Article: Phasecurrent: Voltage: for Step-Motor-Series
ECMD241 0,5 A - 1,25 A 24 V - 40 V HECM21, HECM22, ECM23
ECMD241 1,0 A - 2,5 A 24 V - 40 V HECM21/22, HECM24, SECM24
ECMD243 0,5 A - 3,5 A 24 V - 42 V HECM26, SECM26, HECM24
ECMD275 1,25 A - 5 A 24 V - 80 V HECM26, SECM26, SECM29
ECMD285 1,25 A - 5 A 24 V - 80 V HECM26, SECM26, SECM29
ECMD2810 2,5 A - 10 A 24 V - 80 V HECM26, SECM26, SECM29
ECMD2135 1,25 A - 5 A 70 V - 130 V HECM26, SECM26, SECM29
ECMD21310 2,5 A - 10 A 70 V - 130 V HECM26, SECM26, SECM29
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Haydon can supply high performance drivers for its entire range of stepper motors and linear actuators.
From simple L/R constant voltage drives to sophisticated chopper drives with micro stepping capabilities, Haydon’s drives simplify product development and power-up any application.
Competitively priced, our new DCM8028 and DCM8055 micro stepping drives are particularly useful in motor applications requiring low noise, low vibration, high speed. They are also suitable for large volume OEM applications up to 70 VDC and 5.5 Amp per phase.
HAYDON drivers can be used in various kinds of machines, such as X-Y tables, labeling machines, laser cutters, engraving machines, and pick-place devices.
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The SMC35 Step Motor Controller, is equipped with a built-in mikro-PLC, 11 inputs and 8 outputs. 2 analogue inputs and 1 analogue output. The Controller offers high torque, high velocity and high resolution in order to solve the most demanding applications in the industry. Programming is accomplished from a PC using JVL's Windows-based software MotoWare, which ensures quick and easy set-up, programming, and running in of a system. 2 built-in microprocessors ensure true multi-tasking with change of velocity, acceleration, outputs, etc., while the motor is running. The Controller additionally includes advanced timers, counters and interrupt facilities so that any task can be solved. An encoder input enables motor position and ”stall” to be detected so that corrective measures can be taken. An external step- and servo- driver with pulse/direction can be connected so that 1½ axis movement can be performed..
The SMC35 offers fast, 20kHz switching, recirculating digital current control, anti-resonance circuitry and software selection of current, step resolution, velocity, etc. It offers selection of mini-step resolution, where each mechanical full-step is divided into many fine small steps (1, 2, 4 and 8 ministeps/fullstep).
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Operating pulse speed: 100Hz - 200kHz
Starting pulse speed: 100Hz - 10kHz
Acceleration: 1ms/kHz - 100ms/kHz
Power supply: 24V DC
4 programs each with max. 99,999 pulses.
DIN rail mount and panel mount type available.
All data settings and operations can be performed by touch keys on the front panel.
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Sanyo Denki offers a complete range of stepping systems with 2PH, 3PH and 5PH stepping drivers and motors and specific technologies such as PB closed loop models, all-in-on stepper units, RS-485 interface stepping drivers and a complete lineup of stepping motors with encoders. 28 mm square size up to 106 mm round stepping motors are available.
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The SD3 is a universally applicable stepper drive. Reference values are typically preset and monitored by a higher level PLC or a Motion Controller. A very compact and high-performance drive system has been created in combination with the VRDM 3 3-phase stepper motors by Schneider Electric Motion.
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Drives catch the signal of a driver unit faster than a traditional power stage. Accordingly, they receive no tact or direction signals, but rather "higher quality commands" such as: Absolute position "goes to zero". Such commands can be stored and called up again by a control unit for example. The direct retrieval of commands over a PC or over an interface on the device is also possible.
Stepper Motor Drive with Power Supply Unit: GSP
High efficiency power stage and axis controller for 2-phase stepper motors
Power supply unit for direct connection to 230 VAC or 115 VAC
GSP 92-70: up to 9 APEAK / 70 V
GSP 172-140: up to 17 APEAK / 140 V
Processor controlled step resolution selection
Dynamically optimised switching from 1/8 step to full step
Digital I/O for direct connection e. g. to a PLC
Optional: CAN bus, SFI step failure indication
Design acc. to EMC standards and Low Voltage Directions
Control by PC or PLC
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DC2-STN:
The DC2-STN Series provide 2 axes of low-cost servo control, and simple indexing for stepper motors. On-board program memory and signal conditioning for all I/O result in an easy-to-use, self-contained motion controller for cost-sensitive applications.
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SONCEBOZ step motor controls stand out because of their high-performance characteristics, finest microstepping, user friendliness and robust nature in operation. Designed as a bipolar chopper amplifier in Euroformat, they are optimised for the whole range of SONCEBOZ step motors and so are the appropriate amplifier family. The wide performance range of 12..42V/2x2.5A up to 20..120V/2x10A, the programmable step angle, the easy-to-handle current selection with boost-option and the excellent degree of electromagnetic compatibility leave nothing to be desired as to comfort, dynamism and safety.
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The Motion Coordinator Euro209 is a 3U Eurocard stepper/servo positioner with the built-in ability to control up to 8 servo or stepper motors in any combination. In addition a single Trio Daughter Board may be fitted to allow the control of an additional axis, communications channel or a digital drive interface allowing up to 16 axes. User programs are written in Trio’s established Multi-Tasking BASIC and applications can be developed using the Windows based MotionPerfect environment. Complex motion profiles are easily programmed and these can be linked to a master encoder input for slaving, gearing and cams.
The ethernet port is controlled by a dedicated Coldfire® communications co-processor allowing fast reliable data communication between the Euro 209 and PC and gives the ability to program multiple cards over an Ethernet LAN. The Euro209 has one RS-232 port and one RS-485 built in that may be configured to run the MODBUS protocol for PLC or HMI interfacing. If the built-in CAN channel is not used for connecting I/O modules, it may optionally be used for CAN communications or as a DeviceNet Slave. USB and Profibus daughter boards may be fitted to provide additional communications options. The Euro209 features a total of 16 axes in software. Any axes not having a hardware interface can be used as a “virtual” axis.
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A chopper drive is one method of driving a stepper motor with constant current rather than constant voltage. This reduces the effects of counter EMF and inductance, increasing torque at higher speeds.
One or more of Zaber's T-CD chopper drives can be daisy-chained to a single RS-232 serial port or USB port on any computer. They can also be daisy-chained with any other T-Series products. Convenient 6-pin mini din cables on the unit allow for direct interconnection between units in close proximity. For longer distances, standard cable extension can be used. To control motor position, simply transmit on the serial port the unit number of the device you want to move, a simple move command and the position desired. After the move, the T-CD will report the final position.
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Power drives for 2 phase steppers and 3 phase steppers in wall mount, DIN rail, 19” Euroformat rack, and open frame versions.
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Stepper motor controller with Nano-Step resolution.
The controller is able to manage 3 stepper motors
simultaneously.
Application:
Microscope scanning stages (Marzhauser, Prior, Olympus)
laser adjusting units
linear stage positioning, cross stage positioning.
Features:
· stepper controller 2 oder 3 axes
· Resolution up to 690.000 steps/rev.
· smallest step input: 1nm
· use of physical units
· velocity up to 60 rev. /s
· max. motor current 2.5A each phase
· programmable mode with host
· manual mode with Joystick
· ASCII command interpreter
· On Board macro commands
· Closed Loop interface RS422 or 1Vpp
· Digital Input/Output
· Position synchronous output (PSO)
· event controlled point of interest memory
· Analog output
· RS-232 Interface
· Ethernet Interface 10/100
· IEEE 488 Interface
· Position display
· 19 inch cabinet available
· Windows User Interface (WinPos)
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A wide range of step and ministep motor drivers for every application. JVL´s Step Motor Drivers are available as basic models controlled by external step-pulse and direction signals, and extended models with built-in step generator.
The range of drivers covers motor currents from 0 to 12A/phase and driver voltages from 15V to 160V.
All drivers can be directly connected to PLC´s equipped with step motor capabilities.
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saia stepper motor driver
Dimensions (mm) 55 x 40
Supply voltage (VDC) 10-24
Motor current constant voltage drive
Step mode full/half step
Clock source internal or external
Control inputs to inhibit internal clock, inhibit motor current, exchange direction
Configuration via DIP-switch
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The cost effective R208 provides customers with uncompromising performance without the usual high price that comes with such drivers.
Features:
• Bipolar step motor driver
• Potentiometer set phase current from
0.25 to 1.4 Amp RMS (2.0 Amp peak)
• Selectable step resolution from full step
to 8X microsteps
• Optically isolated step direction,
and disable/enable inputs
• Automatic current reduction with disable switch
• Low power dissipation
• Efficient current control
• Quiet operation
• Thermal shutdown, under-volt protection
• Power-on indicator
• Power disable/enable control
• Sinusoidal current wave form
Lin Engineering is now offering the High Powered R101 Driver.
Visit www.LinEngineering.com for more information.
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GMH is the name of a series of ministep bipolar chopper drives, suitable for driving two-phase stepping motors, with four, six or eight terminals.
GMH drives are realized in single EUROPA format cards (100 x 160 mm.) and are equipped with a 32 pole, DIN 41612 form D connector. They are therefore designed to be assembled inside a RACK, complete with motherboard, that could be supplied as an option by R.T.A.
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Features
- High performance, low cost
- Supply voltage up to +24VDC, peak current up to 2.5A
- 3-state current control technology
- Automatic idle-current reduction
- Suitable for 2-phase and 4-phase stepping motors
- Optically isolated input signals
- Pulse frequency up to 100 KHz
- 4 Selectable resolutions
- DIP switch current setting with 7 different values
- PUL/DIR & CW/CCW mode optional
- Small size (86x55x20.5mm)
Introduction:
M325 is a high performance microstepping drive. It is suitable for driving both 2-phase and 4-phase hybrid stepping motors. By using an advanced bipolar constant-current chopping technique, it can provide more speed and power from the same motor compared with traditional technologies such as L/R drivers. Its 3-state current control technology allows coil currents to be well controlled, with relatively small current ripple and therefore less motor heating.
Applications:
This device is suitable for a wide range of stepping motors of Nema 17 and 23 and usable for various kinds of machines such as X-Y tables, labelling machines, laser cutters, engraving machines and pick-place devices.
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Power Stages
Tactful movement: power stages keep driving.
Power stages are used in the driver unit to produce a current signal out of a directional signal and a clock signal. This sets the stepper motor in the desired rotation.
SINCOS
Linear Stepper Motor Power Stage with Variable Current Profile
SINCOS is a linear stepper motor power stage particularly developed for applications which require high step resolution, such as: measuring tables, machine tools, graphic instruments, etc.
Technical Details
* Linear power stage for two-phase stepper motors, with 4,6 or 8 leads
* Maximum phase current: 2.5A (with cooling), 1.5A (without cooling)
* Drive and stop current continuously adjustable from 0 to 100%
* Selectable phase current profiles: sine-shaped, triangular or trapezoidal
* Supply voltage +20VDC and -20VDC
* Step resolution selectable from full step to 1 / 20 step
* Inputs TTL: Control pulses, Motor direction, Motor stop, Motor current OFF, Select, Reset
* Output open collector: Overtemperature
* Mounting in 19'' / 3 U sub-rack
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The R256 is a compact step motor driver and controller which is designed as a stand-alone option to the integrated motor/controller. This product offers the user the option to daisy-chain up to 16 of these units to meet multi-axis application demand. In addition, the R256 offers the user the ability to query various existing parameters such as the microstepping resolution, current position as well as the various speed settings. Visit www.LinEngineering.com today!
Features:
2.0 Amp Chopper (PWM) Driver with Controls
Operates from 12 to 40 VDC
Microstep resolution from ½ to 256 microsteps
Two digital I/O's and two fixed inputs
Stand alone operation with no PC
Single 4 wire bus linking up to 16 units
Fully programmable speeds, current, and acceleration
Stores up to 16 different programs (4kbytes of memory)
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PLEASE USE ENGLISH FOR ALL ENQUIRIES.
Enquiries written in other languages will not be answered.
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R325 - Microstepping Driver with Pole Damping Technology
Operates from 15 to 48 VDC
Phase current from 0.3 to 3.0 Amps Peak
Step Resolutions from Full to 256 microstepping
Hold current reduction capability with adjustable current and timeout settings
Three optically isolated control inputs and one optically isolated control output
Pole Damping™ Technology
R325I & R325IE additional features
Configuration parameters stored in non-volatile memory
Multiple module control through software assigned single character addresses
Built-in control routines for trapezoidal position and velocity moves
What is Pole Damping™ Technology?
Pole Damping™ Technology (PDT) enhances step motor performance by dampening each full step in order to create a more accurate and smooth motion profile. Microstepping the step motor will optimize Pole Damping™ Technology. PDT outputs the correct amount of run and hold currents to the motor. Thus, it will overcome the step motor’s natural tendency to want to forcefully pull towards the full step ON position.
Currently, the Silverpak 23D integrated motor + drive and the R325 Microstepping Driver contain Pole Damping Technology.
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Stepper motor controllers
