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Galil Controller Helps Deliver Amazingly Clear 3D Images January 21, 2014

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Viewing ultrasound images of a developing child is a sight to behold — even if it is a bit hard to make out.  Those once fuzzy images are more revealing than ever due to the iU22 ultrasound system from Philips Medical Systems. I t fully integrates 2D, 3D and real-time 4D imaging modes, as well as multiplanar reconstruction (MPR) resolution that rivals acquired 2D plane definition.  As a result, expectant parents can quickly identify the very distinct anatomic features of their child — including the fetal heart.  And, clinicians and doctors can diagnose with greater depth and accuracy.

The iU22 delivers detailed images using its mechanical probe or transducer, which incorporates a unique gimble mechanism that is powered by a single brushless motor.  Prior probes used gears that provided slow frame rates, causing the image to “chunk” along as the clinician moved the probe over a patient.

The motor is controlled by a customized, single-axis motion controller and drive combination from Galil.  The controller features a Proportional-Integral-Derivative (PID) filter with acceleration and velocity feed-forward functionality for accurate control and smooth motion.  It also handles high bandwidths and compensates for high-frequency noise.  These features help the iU22 3D probe perform with high accuracy and stability between frames, which eliminates any wobbly or bouncing images.

To help speed the iU22 to market, Philips went to Galil for the motion controller to keep costs down and knowing that Galil could handle the noise and accuracy specifications.  Galil was able to take Philips existing single axis DMC-1412 controller and integrate it with an amplifier on a small-sized board to save space and costs while not compromising on performance.

The Galil controller already offered a contour mode and arrays that can buffer the position data that is sent on the fly from the Philips CPU.  These include constant, linear speed generation of profiles that are coming from the scan head.  By offloading this and other intensive motion tasks to the controller, the CPU is freed to focus on handling the image computations for the 3D renderings.

Reducing user fatigue was another critical consideration, as examiners had found the all-day, back-and-forth movement of the ultrasound probe to cause stress to their hands, wrists, back and shoulders.  To prevent this, the iU22 features an ergonomic probe and a flat, articulating display/control panel that adjusts for each user.  It also has a lightweight, portable chassis for scan-ning flexibility, foot-controlled swivel lock and brakes, and voice recognition software that lets users stay productive when their hands are full. Such features have improved workflow and productivity to the point that doctors report savings of 3 – 5 minutes per exam.   With a typical day running at 50 exams, that adds up to almost four hours of time saved for other tasks or additional patients. In addition to 3D images inside the womb, the iU22 isused for gynecological imaging and scanning of the breast, prostate and muscular systems.

To view the complete article go to: http://www.galilmc.com/support/customers/philips.pdf

For more information, please contact:

EDITORIAL CONTACT:

Warren Osak
sales@servo2go.com
Toll Free Phone:   877-378-0240
Toll Free Fax:       877-378-0249
www.servo2go.com

Tags:  Galil, Servo2Go, Motion Controller, Automation, Servo, Philips Medical Systems, DMC-1412

Galil Motion Controllers Support 2-Phase Closed-Loop Brushless (Step) Motors December 2, 2013

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You don’t have to purchase a servo motor anymore for accurate positioning!  Now you can save money and achieve the positional accuracy you need for your high torque, slow speed application with Galil’s integrated, high power (8 Amps continuous), 2-phase drive for closing the loop on a step motor.

Galil DMC-30017 Motion Controller

Galil DMC-30017 Motion Controller

Two types of electrical motors have traditionally been used in automation applications; step motors with open loop operation and servo motors with incremental or absolute feedback.

Step motors are low cost, easy to use and are prime candidates for applications that require slow movement, high torque and low positional accuracy.  Feedback for step motors isn’t necessary because the current is kept constant through the phases which allow a position to be held with a fairly high level of static torque.

Step motors are not candidates for applications that require positional accuracy, smooth motion, fast speeds or power efficiency.

Applications that require accuracy and smoothness typically need servo motors with analog or digital feedback, where the motion controller provides a PID filter or something similar.  3-phase brushless motors are higher cost, and require more effort to stabilize than step motors, but they handle fast or slow speeds with perfect accuracy and smooth motion, at all times.

There are some occasions when applications desire the benefits of step motors but also need the accuracy of a servo motor.  Additional accuracy can be achieved on step motors with half, quarter, and microstepping motion.  While these modes provide some advantages, they do not reach the level of positional accuracy achievable with a servo motor.

A solution for these distinct applications can be a closed-loop step motor.  Adding a feedback device to the step motor, and controlling it like a servo motor, achieves the positional accuracy of a servo motor.  In this configuration the step motor acts like a 2-phase brushless servo motor.  Because it’s acting as a servo motor, current is only drawn when it is needed greatly improving the power efficiency and eliminating wasted heat.  However, like an open loop step motor, this solution provides high torque at low speeds. The closed loop step motor will not achieve as high speed or run as smoothly as a 3-phase brushless DC servo motor.

This solution is available on the DMC-30017 and the DMC-40×0.  Please contact a Galil Application Engineer to review which option will work best for your system.

More information on the DMC-30017 and the DMC-40×0 from Galil Motion Control can be found at the link below-

DMC-30017   http://www.servo2go.com/product.php?ID=105334&cat=

DMC-40×0    http://www.servo2go.com/product.php?ID=101658&cat=

For more information, please contact:

EDITORIAL CONTACT:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:       877-378-0249
www.servo2go.com

Tags:  Galil, Servo2Go, DMC-30017, DMC-40×0, closed-loop step motor, Automation, Stepper System, Motion Controller, Motor Control,

Galil Motion Control Receives ISO 13485:2003 Certification – It’s a Big Deal For Medical Device Companies! November 21, 2013

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Galil Motion Control is proud to announce certification for ISO 13485:2003.  ISO 13485 is the stringent quality standard which must be met for the design and manufacture of medical devices.  Even more demanding than Galil’s ISO 9001:2008 certification, this rigorous quality standard requires the total commitment to design and manufacturing excellence.  Galil’s accreditation demonstrates our commitment to provide motion and I/O controllers that meet or exceed our customer’s requirements for  medical device and other exacting markets.

We are proud that Galil’s dedication to provide the highest quality products and support has been recognized through ISO 13485 certification.  It is our determination to provide our customers with the products and support that will make them successful.”  Wayne Baron, President, Galil Motion Control.

To see the certification for ISO13485 and 9001, visit  http://www.galilmc.com/about/iso.php

Click on the link below to view Servo2Go’s family of Programmable Motion Controllers from Galil Motion Control.

http://www.servo2go.com/supplier.php?id=1031080104

EDITORIAL CONTACT:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:       877-378-0249
www.servo2go.com

Tags:  Galil, Servo2Go, ISO13485, Motion Control, Motion Controller, Motor Control, Automation, Servo System, Stepper System

New 2-axis Drives for DMC-40×0 and DMC-41×3 controllers from Galil October 5, 2013

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Galil’s DMC-40×0 Accelera and DMC-41×3 Econo Ethernet motion controllers are now available with additional multi-axis servo and stepper drive options.  The AMP-43540 4-axis 600W brushless sine drive is now available in a 2-axis model as the AMP-43520, and the SDM-44040 4-axis stepper drive is available as a 2-axis model as the SDM-44020.  The new 2-axis drive options provide additional cost savings for OEM applications. A brief description of the new 2-axis amplifiers are below.  The 2-axis models will be available for shipment in about a month and announced in the April issue of ServoTrends.

Galil DMC-41x3 with AMP-43540

Galil DMC-41×3 with AMP-43540

Download specs at http://www.galilmc.com/catalog/cat40x0.pdf or http://www.galilmc.com/catalog/cat41x3.pdf.

AMP-435×0 2- and 4-axis 600 W Servo Drives with Sinusoidal Commutation (-D3520, -D3540)

The AMP-43540 contains four transconductance, PWM amplifiers for driving brushed or brushless servo motors with sinusoidal commutation and the AMP-43520 contains two PWM amplifiers.  Each amplifier drives motors operating at up to 8 Amps rms cont., 15 Amps peak, 20–80 VDC.  The gain settings of the amplifier are user-programmable at 0.4, 0.8 and 1.6 Amp/Volt.  The switching frequency is 33 KHz.  The amplifier offers protection for over-voltage, under-voltage, over-current, short-circuit and over-temperature.  Hall sensors are not required for brushless motor commutation.  A shunt regulator option is available.  The AMP-43520 (-D3520) 2-axis 600W brushed/brushless sine drive is $650 US in quantity 1 and $375 US/ea qty 100.

SDM-440×0 2- and 4-axis Stepper Drives (-D4020, -D4040)

The SDM-44040 contains four drives for operating two-phase bipolar step motors and the SDM-44020 contains two stepper drives.  The SDM-440×0 requires a single 12–30 VDC input.  The unit is user-configurable for 1.4 A, 1.0 A, 0.75 A, or 0.5 A per phase and for full step, half-step, 1/4 step or 1/16 step.  The SDM-44020 (-D4020) 2-axis stepper drive is $125 US in quantity 1 and $105 US/ea qty 100.

More information on the multi-axis servo and stepper drive options from Galil Motion Control can be found at the link below-

AMP-43520  http://www.servo2go.com/product.php?ID=101658&cat=

SDM-44020   http://www.servo2go.com/product.php?ID=105297&cat= For more information, please contact:


EDITORIAL CONTACT:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:       877-378-0249
www.servo2go.com

Tags:   Galil, Galil Motion Control, Servo2Go, Motion Controller, Motion Control, SDM-44020, Microstep Driver, Automation, Motor Control, AMP-43520, servo amplifier, servo drive, DMC-40×0, DMC-41×3

New DMC-30016 Pocket Motion Controller from Galil Motion Control September 29, 2013

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Greenville, DE- Galil Motion Control, an industry leader in motion control technology, is announcing their latest drive option for the DMC-30000 Pocket Motion Controller Series.  The new DMC-30016 combines a single-axis motion controller with a 1.4A/phase stepper drive in a compact unit.

Galil DMC-30016 Motion Controller

Galil DMC-30016 Motion Controller

“The DMC-30016 joins the growing family of drive options for the DMC-30000 Pocket Motion Controller Series which includes the previously released DMC-30012 800W Brushless Sine Drive and DMC-30017 6A/phase Microstepping Drive”, said Lisa Wade, vice president of sales and marketing.  “Like other products in the DMC-30000 Series, the DMC-30016 offers higher performance, better power efficiency, smaller size, and a lower price than prior generation, single-axis controllers.

The new DMC-30016 controller contains a 1.4A per phase, 30V stepper amplifier which drives a two-phase bipolar stepper motor in full-step, half-step, ¼ step or 1/16 step.  The DMC-30016 is user configurable from 0.5A to 1.4A per phase in 10mA increments at 12-30 VDC.

Designed for compact size, the dimensions of the DMC-30016 controller/drive package are 3.9” x 5.0” x 1.5”, and no external heat sink is required.

Like other products in the DMC-30000 series, the DMC-30016 is higher speed than Galil’s prior generation single-axis controllers.  The 125 microsecond servo loop update time is twice as fast and the 15MHz encoder frequency and 3 MHz stepper pulse output are 25% faster.  Other features of DMC-30000 controllers include PID compensation with velocity and acceleration feedforward, non-volatile memory for user programs, multitasking for simultaneously running up to four programs, and I/O processing for synchronizing motion with external events.  Modes of motion include point-to-point positioning, position tracking, jogging, contouring, electronic gearing, ECAM, and PVT.

The DMC-30000 provides optically isolated inputs and outputs as a standard feature.  I/O include forward and reverse limit inputs, homing input, 8 uncommitted digital inputs, 4 uncommitted digital outputs, 2 uncommitted analog inputs and 1 uncommitted analog output.  Two daisy-chainable Ethernet ports are included and an external Ethernet hub is not required.  A 115 kb RS232 port is also provided.  The ability to receive inputs from two digital encoders is a standard feature.  BiSS, SSI and sinusoidal encoder input formats are available as options.

The DMC-30016 controller and stepper drive unit is $645 U.S. in single quantity and $415 US/ea in quantities of 100.  The DMC-30016 is available for immediate delivery.

In addition to the DMC-30012 controller & servo drive, DMC-30016 controller & stepper drive and DMC-30017 controller & microstepping drive packages, the DMC-30000 Series is also available as a controller-only model which can be connected to a stepper or servo motor amplifier of any power range.

More information on the DMC-30016 from Galil Motion Control can be found at the link below-

http://www.servo2go.com/product.php?ID=105334&cat=

For more information, please contact:

EDITORIAL CONTACT:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:       877-378-0249
www.servo2go.com

Tags:   Galil, Galil Motion Control, Servo2Go, Motion Controller, Motion Control, DMC-30016, Microstep Driver, Automation, Motor Control

Sin/Cos Encoders and Sinusoidal Drives help Galil Controllers Achieve Ultra-Precise Motion May 18, 2013

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Introduction

The use of linear motors for precision motion applications has increased as technology has improved.

Galil DMC-31012 Motion Controller

Galil DMC-31012 Motion Controller

A linear motor typically uses a servo drive with sinusoidal commutation to minimize torque ripple and provide quiet smooth motion. It is also becoming more common for linear motor manufacturers to provide position feedback in the form of an analog sin/cos encoder as this method uses the signals from the motor magnets and is more cost-effective.  Galil motion controllers now provide options for sinusoidal drives and interpolation of sin/cos analog feedback for smooth control of ultra-high performance applications.

Galil controllers use an intelligent interpolation algorithm allowing inexpensive sin/cos signals to be used successfully in high-precision applications.   The AF command is used to set the analog feedback resolution at 2n counts/period. Galil drives perform sinusoidal commutation and are easily programmed using a choice of three different commutation methods.  An example showing how to configure Galil controllers and sine drives for use with linear motors with sin/cos encoders is below.

An example of a Galil Controller used with a Copley ServoTube Linear Motor

Galil’s DMC-31012 motion controller with an internal 800W sinusoidal drive and sin/cos feedback interpolation option was used  in an application with a Copley ServoTube linear motor with  sin/cos encoder. The goal was to move a stage and maintain a position accuracy of .04mm.   The stage manufacturer specified a 25.6 mm/sin feedback period for the encoder signals which is equivalent to the motor’s magnetic cycle.

The AF command was used to interpolate the analog feedback at 2n counts/period. N= 10 was used for this application.  AF 10 provided an interpolation of 1024 counts/period.  The system position resolution can be calculated using the equation below:

Resolution = 25.6mm /1024 counts = .025mm/count

.025mm/count resolution is within our target accuracy of .04mm.

It’s important to note that sin/cos feedback sensors are analog and more prone to noise compared to a digital signal. The DMC-31012 allows an AF of 12 but AF 10 was chosen because it met the accuracy specifications while minimizing the affect of noise.

There are three methods to initialize sinusoidal commutation with Galil sinusoidal drives, BI, BZ and BX.  For this application, the BZ command method was selected because it was better for high static friction. The BI command, which uses halls to initially commutate, is ideal in most cases but the Copley motor did not provide Hall sensors.

Another parameter used for commutation was the BM command.  BM is the brushless modulus of the system or the length for which one magnetic cycle completes. For the Copley ServoTube, the motor’s sin/cos period is the same length as the motors magnetic cycle.  For AF 10, the setting for BM is 1024.

Once AF, BZ and BM were configured during initialization, the controller system was tuned for optimum performance using the GalilSuite tuning software.

Galil controllers with the sin/cos feedback option and sinusoidal drives provide a good solution for controlling linear motors with a high degree of accuracy and extremely smooth commutation. Sinusoidal drives and sin/cos feedback options are available on Galil’s DMC40x0 multi-axis controller and the DMC-31012 single-axis controller.

For more detailed information, see application note #5523 “Connecting to a Linear Motor with Sinusoidal Commutation and Sin/Cos Feedback.” http://www.galilmc.com/support/appnotes/miscellaneous/note5523.pdf

For additional information on the DMC-31012 from Galil can be found at-

http://www.servo2go.com/product.php?ID=105334&cat=

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:   877-378-0249
www.servo2go.com

Galil DMC-40×0 Accelera Series Now Available with 2 Ethernet Ports May 2, 2013

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Galil has just released the latest model in the DMC-40×0 Accelera Motion Controller Series. There is now a -C022 option that provides two Ethernet ports for easy-daisy chaining of multiple controllers. The -C022 option is available for 1- through 8-axis versions of the DMC-40×0 motion controller. For example, DMC-4060-C022 specifies a 6-axis model with dual Ethernet ports.

Galil DMC-4000 Motion Controller

The DMC-40×0 is part of Galil’s latest generation Accelera series. Based on a powerful RISC processor Accelera controllers provide ultra high-speed with 40 microsecond command processing,  up to 32kHz servo update rates, and acceptance of encoder inputs up to 22MHz. Other features include optically isolated inputs and outputs, high power outputs for driving brakes and relays, uncommitted analog inputs, dual encoder inputs for each axis, and plenty of program memory for storing application programs.

The DMC-40×0 provides precise control of a variety of motors including brush servos, brushless servos, steppers and piezo ceramic motors. It can be easily connected to external drives of any size or to internal multi-axis drives contained within the DMC-40×0 controller.  The DMC-40×0 controllers with internal drives reduce space, cost and wiring. Table 1 shows the  multi-axis drive options available for the DMC-40×0 series.

Internal multi-axis drive options

As a combined controller and drive unit, the DMC-40×0 is compact and measures 8.1” x 7.25” x 1.72” for the 4-axis model and 11.5” x 7.25” x 1.72” for the 8-axis model. The unit accepts power from a single DC supply between 20-80VDC.

For additional information on the DMC-40×0 Accelera Series and new -C022 dual Ethernet port option, see

http://www.servo2go.com/product.php?ID=101658&cat=

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:   877-378-0249
www.servo2go.com

RIO-47300 Pocket PLC Has 48 Digital and 16 Analog I/O, and Two Ethernet Ports January 25, 2013

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On the heels of the recently released RIO-47142 comes the new RIO-47300 which is an expanded model that includes two Ethernet ports, more I/O, and screw terminals.  The RIO-47300′s Ethernet ports allow an unlimited number of RIOs to be daisy-chained together without an external Ethernet switch. The RIO-47300′s memory allows 400 program lines, 254 variables, 1000 array elements, 6 PID control loops and 5 Ethernet handles.   Digital inputs and outputs on the RIO-47300 are increased from 16  to 24 each for a total of 48 optically isolated digital I/O. All the digital outputs are high-power 500mA outputs. The 16 analog inputs and outputs are user-configurable for +/-10V, +/-5V, 0-10V or 0-5V.

Galil RIO-47300 Pocket PLC

Galil RIO-47300 Pocket PLC

The RIO-47300 uses screw terminals for quick and easy prototyping.   Dimensions of the RIO-47300 are 10.8” x 4.7” with DIN tray.   The RIO-47300  is $495 US in single quantity and $360 US/ea in quantities of 100.

Galil’s RIO Pocket PLC series provides a cost-effective, compact and intelligent solution for programmable I/O control.  Standard features of the RIO series include a RISC processor for fast handling of I/O and logic, multitasking, PID process control loops, timers, counters, web interface, email alerts, datalogging, Ethernet and RS232 ports, LED indicators for all digital I/O ports, and an option to interface to position sensors, thermocouples and RTD temperature sensors.   The RIO is easy to program using Galil’s intuitive command language or Galil’s Ladder Interface Software.   The complete list of RIO-47300 features is listed in Table 1.   Table 2 shows currently available RIO models.

More information on RIO-47300 Series from Galil can be found at the link below-

http://www.servo2go.com/product.php?ID=102190&cat=

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:   877-378-0249
www.servo2go.com

Galil Tech Talk: Master Slave Networking with multiple controllers December 7, 2012

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For users that need to expand their IO across multiple devices, Galil Ethernet based controllers have a built-in Master/Slave capability.   This means that if a system has an Ethernet based DMC motion controller yet needs to add one or more RIO units to expand the IO capability, the DMC controller can be set up to reference the RIO inputs and outputs automatically.   Likewise, if a system needs to have multiple RIO Pocket PLC units – any one of those units can be set up as the “Master” controller such that it automatically references the i/o of all of the slave units.   The only limits to this are  the number of Ethernet handles that the master RIO or DMC unit has available. (Note: use the TH command to see how many handles a particular product has available).

Galil DMC-30000 with RIO PLC

Galil DMC-30000 with RIO PLC

Here are the steps to get a Master/Slave system working with 4 RIO units (1 master and 3 slaves):

Step 1)  Connect to each RIO unit with Galil software and assign an IP address.  A helpful nomenclature is to use the last 2 digits of the controller serial number as the last field of the IP address so its easy to remember what each units IP address is.

Step 2)  Use the following code-generator and input the IP address of each of the slave units:

http://www.galilmc.com/support/downloads/dmc_code/master-with-multiple-slaves.php

click “Generate Code”.  Then copy/paste the dmc program code that is generated into the Galil software Editor when connected to the “Master” controller.  Download and Execute this code (XQ).

Step 3) In the response window, you should see the following text:

SLAVE(s) CONNECTED
Set flag=x where x is 1-6

by looking at the code, you can see that the “flag” variable controls different types of i/o requests to the slave units.   As a simple test, set flag=1 in the terminal and this will cause output 1 on each of the slave devices to start blinking every 1 second.  Use the other included routines as a starting point for controlling the slave analog and digital  i/o for your system.

More details on setting up a Modbus slave device can be found in this article:

http://www.galilmc.com/techtalk/io-control/setting-up-and-rio-as-extended-io-for-a-controller/

For more information on the RIO I/O Controller from Galil, click on the link below-

http://www.servo2go.com/product.php?ID=102190&cat=

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:   877-378-0249
www.servo2go.com

New RIO Pocket PLC Now Has Two Ethernet Ports October 25, 2012

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Galil is announcing an addition to the RIO Pocket PLC family.  The new RIO-47142 has an internal 10/100Base-T Ethernet switch with two ports which allows an unlimited number of RIOs to be daisy chained together without an external switch.  The extra Ethernet port reduces system costs and speeds system set-up when multiple RIOs are required.  As you may recall, Galil’s DMC-30000  Pocket Motion Controller Series also provides an internal switch and two Ethernet ports to easily daisy-chain multiple RIO-47142 controllers.

Galil RIO-47xxx Pocket PLC with Ethernet/RS232

Galil RIO-47xxx Pocket PLC with Ethernet/RS232

Other features that are standard on the RIO-47142 are expanded memory (400 program lines, 254 variables, 1000 array elements, 6 PID control loops and 5 Ethernet handles), 16 high-power 500mA optically isolated outputs, 16 optically isolated inputs, and 8 each analog inputs and outputs that are user-configurable for +/-10V, +/-5V, 0-10V or 0-5V.

The RIO-47142 is $415 US in single quantity and $305 US/ea in quantities of 100.  It is available for shipment in December.

For more information on the RIO-47142 from Galil Motion Control, click on the link below-

http://www.servo2go.com/product.php?ID=102190

For more information, please contact:

Editorial Contact:

Warren Osak
sales@servo2go.com
Toll Free Phone:  877-378-0240
Toll Free Fax:   877-378-0249
www.servo2go.com