Product Design & Development articles from March 2009

Product Design & Development archives from March 2009

Bright & waterproof.(First Look)
March 1, 2009... Floyd Bell's (Columbus, OH) new Turbo Light is a small IP68 panel-mounted LED indicator. Additional features include: * An approximate 1" x 1" footprint. * A NEMA 4X seal. * A low-profile with output up to 1,600 cd/[m.sup.2]. ...

Worm-drive rotary stages.(First Look)
March 1, 2009... Aerotech's (Pittsburgh, PA) AGR series motorized rotary stages offer improvements in speed, load capacity and long-term positioning performance. The AGR stages feature: * Continuous 360[degrees] rotary positioning. * Direct encoder...

LED fingerprint sensors.(First Look)
March 1, 2009... [ILLUSTRATION OMITTED] Validity Sensors (San Jose, CA) has launched the VFS301 Fingerprint Sensor. The VFS301 is based on Validity's LiveFlex Technology, providing improved features for its notebook PC customers. The VFS301 offers: *...

Smooth running.(First Look)
March 1, 2009... [ILLUSTRATION OMITTED] MicroMo Electronics (Clearwater, FL) has introduced the BX4 series of brushless DC servomotors. Features include: * A 4-pole concept with a continuous torque of up to 12.2 mNm with a flat gradient of the n/M...

Power entry modules.(First Look)
March 1, 2009... Schurter's (Santa Rosa, CA) Series 6135 and 6136 are the newest additions to its line of power entry modules. The combination of appliance inlet and circuit breaker provide an alternative to fused power entry modules. Additional features...

Super flux LEDs.(First Look)
March 1, 2009... [ILLUSTRATION OMITTED] Bivar (Irvine, CA) has launched the ORCA series of Super Flux LEDs. Bivar's new family features: * Availability in red, green, blue, yellow, white, 3 bi-color combinations and RGB. * Red and yellow that are...

Extended detection range.(First Look)
March 1, 2009... TT electronics OPTEK Technology (Carrollton, TX) has developed a new reflective object sensor in a miniature surface mount package. Designated the OPB733TR device, the infrared sensor uses a lensed IR LED and phototransistor elements to...

What's in the back?(At Issue)
March 1, 2009... I spent the last few weeks on the phone and exchanging emails with groups pushing the latest and greatest new products found in the bulk mounds in the dark depths of aging warehouses. Repackaged, repurposed products with new money thrown at...

The truth about compressed air! If you think compressed air is too expensive and noisy--read this. The facts will surprise you!
March 1, 2009... Compare these Blowoffs There are a variety of ways to blow the water from the bottles shown in the photo below, but which method is best? To decide, we ran a comparison test on the same application using four different blowoff methods:...

DC-DC converters.(New Products: Electronic Components)
March 1, 2009... [ILLUSTRATION OMITTED] Murata Power's (Mansfield, MA) UEI30 isolated DC/DC converters delivers a full 30-W output power from a board area of 1.8 [in.sup.2] Features include: * An industry standard open-frame package and pinout. *...

SMT connector.(New Products: Electronic Components)
March 1, 2009... Advanced Interconnections (West Warwick, RI) introduces the B2B High Density SMT Connector line available in a 19.05-mm mated height. Features include: * A high pin count and high density 1.27 mm pitch board. * Availability in 8- and...

Resonant controller.(New Products: Electronic Components)
March 1, 2009... ON Semiconductor (Washington, DC) introduces the NCP1901, an integrated circuit that combines a power factor correction (PFC) controller and a resonant half-bridge controller in a single package. The NCP1901 features: * Integrated...

Expanded vehicle controls.(New Products: Electronic Components)
March 1, 2009... Eaton (Pittsburgh, PA) introduces new above-panel Sealed Vehicle Rocker (SVR) and XT Series Toggles. The SVR offers an IP68 seal at the integrated connector interface, which allows the switch to function underwater. In addition, the XT Series...

Switching capacity.(New Products: Electronic Components)
March 1, 2009... [ILLUSTRATION OMITTED] CIT Relay & Switch (Minneapolis, MN) introduces The RoHS-compliant A9 Series fused automotive relay that accommodates standard sized automotive fuses from 3 to 40 A. Additional features include: * Coil voltage...

Compact package.(New Products: Electronic Components)
March 1, 2009... V-Infinity (Tualatin, OR), a division of CUI, introduces a new line of DC-DC converters that provide 12-W output power in a 24-pin DIP package. The VAWQ12 series is an isolated board mount converter featuring 4:1 input range. Features include:...

Crystal oscillator.(New Products: Electronic Components)
March 1, 2009... NDK (Belvidere, IL) announces the availability of the NT2016SB series, an SMD Temperature Compensated Crystal Oscillator (TCXO). Features include: * Frequency stability of [+ or -]0.5 ppm over the broad. * An operating temperature...

Reduces time.(New Products: Electronic Components)
March 1, 2009... Molex Incorporated (Lisle, IL) introduces the Stac64 connection system which provides single- and multi-pocket PCB solutions to offer a range of circuit sizes and reduce time-to-market. The Stac64 connection system features * Support of...

Seamless integration.(New Products: Electronic Components)
March 1, 2009... [ILLUSTRATION OMITTED] EAO (Milford, CT) specializes in building fully-customized, illuminated keypad solutions which are ready to integrate within any application. Using the S.series keypad that is constructed from ultra-tough Zamac, EAO...

Pressure & temp sensor.(New Products: Electronic Components)
March 1, 2009... Stellar Technology's (Amherst, NY) series PT170 and PT17XX transducers combine both a pressure sensor and temperature sensor in one package. Features include: * A compact pressure-temperature transducer for measuring dynamic and static...

Adjustable output voltage.(New Products: Electronic Components)
March 1, 2009... Carlo Gavazzi (Buffalo Grove, IL) introduces its expanded line of 3-phase power supplies. The SPD Series 3-Phase Switch-Mode Power Supplies are offered in 120-, 240-, 480- and 960-W outputs, with an adjustable 24 VDC output voltage. Features...

Foot switch.(New Products: Electronic Components)
March 1, 2009... [ILLUSTRATION OMITTED] The Linemaster Switch (Woodstock, CT) Classic IV Foot Switch was designed with a rugged cast aluminum housing for ease of use and long life in extremely wet applications. Features include: * Availability in SPDT...

High chemical resistance.(New Products: Electronic Components)
March 1, 2009... Sensortechnics (Walpole, MA) introduces OLT liquid level switches for optical point level detection. The sensors feature chemical resistance due to the TROGAMID miniature plastic housings, making them suitable for medical and industrial OEM...

Antenna design.(New Products: Electronic Components)
March 1, 2009... Remcom (State College, PA) announces the release of XFdtd 7.0 (XF7), a new electromagnetic simulation tool for antenna design and analysis, biological EM analysis, microwave circuit design and other EM simulation applications. Unique...

Read & write.(New Products: Electronic Components)
March 1, 2009... Microchip Technology (Chandler, AZ) announces a series of I2C EEPROM devices with low operating voltage down to 1.5 V for read and write operations. The 24VLXX also features: * 400 [micro]A operating current. * The 24VL014, 24VL024 an...

Size reduction.(New Products: Electronic Components)
March 1, 2009... [ILLUSTRATION OMITTED] Moeller (Houston, TX) introduces a space-saving alternative to traditional enclosed e-stops. Offering a size reduction of 75 percent, this solution provides the equivalent of an enclosed e-stop with only the actuator...

IDC terminals.(New Products: Electronic Components)
March 1, 2009... [ILLUSTRATION OMITTED] Schurter (Santa Rosa, CA) introduces the appliance outlet using IDC technology. Series 6610 is ideal for use in power distribution units and other equipment where multiple outlets are banked in series. Features...

Instant efficiency boost.(New Products: Electronic Components)
March 1, 2009... STMicroelectronics (Carrollton, TX) introduces silicon carbide (SIC) diodes that save energy in switched-mode power supplies and feature: * No or negligible reverse recovery. * Switching behavior independent of temperature. *...

Scorpion King: the eco-exotic sports car was built from the ground up with energy efficiency in mind.(Engineering Answers: AUTOMATIVE)(Cover story)
March 1, 2009... The idea came to him while he was in China. Ronn Maxwell, CEO and founder of Ronn Motors and father of the Scorpion and Limited Edition Scorpion HX eco-exotic sports cars, was going to build a sports car in China for a large bus manufacturing...

Stress saving.(New Products: Fastening & Assembly)
March 1, 2009... Stress Saver XP gaskets from Garlock Sealing Technologies (Palmyra, NY) allow pump, valve and other connections made with Lubrizol's new Corzan High-Pressure Flange Kit to withstand the same pressure as the Corzan CPVC piping systems in which...

Low-profile copper cable.(New Products: Fastening & Assembly)
March 1, 2009... [ILLUSTRATION OMITTED] W. L. Gore & Associates (Landenberg, PA) introduces a low-profile SFP+ direct attach copper cable assembly that is "fiber-like" in size and even more flexible than optical fiber. GORE Low-Profile Copper Cable...

Heavy lids.(New Products: Fastening & Assembly)
March 1, 2009... CounterBalance (Warminster, PA) offers solutions for heavy lid applications. Designed to provide precise balancing for delicate or heavy loads, CounterBalances can be designed to integrate hinge and attaching features. CounterBalance's CB160...

High Pressure relief valve.(New Products: Fastening & Assembly)
March 1, 2009... The Lee Company's (Westbrook, CT) new 375 High Pressure PRI is a relief valve designed for optimal performance in applications with high backpressure. It has shown stable relief flow performance in applications with backpressures up to 850 PSIG...

Mil-Spec hinges.(New Products: Fastening & Assembly)
March 1, 2009... H.A. Guden (Ronkonkoma, NY) announces a purchasing and inventory system designed to meet the high demand for Mil-Spec hinges. Guden stocks: * MS20001 type 2024-T3511 series extruded aluminum hinges (non-anodized/anodized per Mil-A-8623...

360[degrees] static discharge.(New Products: Fastening & Assembly)
March 1, 2009... [ILLUSTRATION OMITTED] EXAIR's (Cincinnati, OH) new Super Ion Air Wipe provides a uniform 360[degrees] ionized air-stream that clamps around a continuously moving part to eliminate static electricity and contaminants. It is ideal for...

Extended video & USB signals.(New Products: Fastening & Assembly)
March 1, 2009... [ILLUSTRATION OMITTED] Cyber Research (Branford, CT) introduces extender modules that connect with Cat-5 or Cat-6 cables to send HDMI, DVI, VGA and USB signals. Reliable USB signals carry up to 130', HDMI and DVI signals to 150' and VGA...

Low pressure measurements.(From the Cover)
March 1, 2009... Kavlico (Moorpark, CA) has designed the P356 low pressure gage/ differential pressure sensor for applications requiring long-term stability and an operational life in excess of 10 years. Features include: * Applicability in pneumatic...

Flow transmitter.(New Products: Hydraulics & Pneumatics)
March 1, 2009... Omega Engineering (Stamford, CT) introduces the FSW-9000 Series that provides reliability with no moving parts. The flow switch monitor measures the velocity of the flow and features: * A chain of 8 LEDs. * 1 di-chromatic LED that...

Smaller spaces.(New Products: Hydraulics & Pneumatics)
March 1, 2009... Universal Air Filter (Sauget, IL)is offering 0.125"-thick filter design for any industry or market where a filter is required to fit in smaller spaces. The new filter features: * Plenum area between the fan and filter in tight-fitting...

Diaphragm pumps.(New Products: Hydraulics & Pneumatics)
March 1, 2009... [ILLUSTRATION OMITTED] KNF (Trenton, NJ) corrosion-resistant diaphragm process pumps provide ideal solutions for sampling, transferring, evacuating or compressing aggressive gases in a range of industrial applications. Features include:...

Single-stage diaphragm.(New Products: Hydraulics & Pneumatics)
March 1, 2009... [ILLUSTRATION OMITTED] Beswick Engineering (Greenland, NH) announces the release of an ultra-miniature single-stage diaphragm pressure regulator. The regulator is offered in a 10-32 ported version (PRDHF) and a manifold mount version...

Analysis software.(New Products: Software)
March 1, 2009... AMPS Technologies announces the release of AMPS (Advanced Multi-Physics Simulation) 5.2, which offers a solution for complex design problems with new enhancements including: * Automatic and custom meshing tools to support a large range of...

Digital Prototyping power.(New Products: Software)
March 1, 2009... Autodesk (San Rafael, CA) unveils the latest releases of their 2-D and 3-D design and engineering software for manufacturers. Enhancements and newly packaged suites of the company's products can help manufacturers build better products, ranging...

Expanded interoperability.(New Products: Software)
March 1, 2009... SensAble Technologies (Woburn, MA) announces the availability of a new version of its FreeForm 3D modeling software. With new design functionality, and expanded interoperability, the new FreeForm version 10 can design complex organically-shaped...

Have massive user groups and commerce spurred or spurned innovation in the consumer electronics market?(THE BRAINSTORM)
March 1, 2009... Ron Demcko AVX Application Engineering Manger www.avx.com There is no doubt that the rate of product development has increased dramatically due to nearly instantaneous direct user feedback to the supplier--specifically the...

New scale technologies.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] The TRACKER position sensor is a magnetic sensor array with integrated on-chip digital encoding. A robust alternative to miniature optical encoders, it offers small size. 2 [micro]m resolution, low sensitivity to...

CUI.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] CUI has added 3 high performance optical encoders to their encoder product offering. The AME, BME and LME are modular incremental encoders that offer a wide range of resolution and bore options, and can provide...

Sick Stegmann.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] XKS Motor Feedback Wire Draw Encoders provide position or distance information with repeatability to [+ or -] 0.15 mm for linear measurement paths up to 5 m at speeds to 3.5 m/sec. Precise linear guidance, as...

Dynapar.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] The AR62 is designed to handle the toughest environments. The encoder can withstand 200 g of shock, is submersible, and has a wide -40[degrees] to 100[degrees]C operating temperature range. Travel 360[degrees]...

Heidenhain.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] The new 1Dplus LIF 400 Series 2-dimensional encoders allow measurement of linear guiding and thermal drift errors during movements of a machine, allowing the immediate compensation of guiding and thermal drift...

BEI industrial encoders.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] Model H25 is the flagship of the BEI Industrial Encoders product line. Designed from the ground up for the industrial marketplace. Model H25 is an ideal rotary encoder for many types of harsh industrial environments....

Austriamicrosytems AG.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] The AS5304/AS5306 high performance, fixed resolution encoder include options containing on-chip hall sensor elements and signal processing for measuring linear and off-axis rotary motion. Due to the fixed...

Visi-trak.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] This rugged, high-speed sensor provides linear position and velocity information with resolution better than .001 at over 200 IPS. The sensor is auto-calibrating and can sense virtually any stroke length, making it...

Balluff.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] The BML magnetic encoder system, available in both linear and rotary versions, uses non-contact magnetic technology, allowing for quick-and-easy installation with no mechanical coupling. The BML system allows direct...

ACS Motion Control.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] The HSSI-HES Absolute Encoder Module provides capability to use Endat and SmartAbs Absolute Encoders with ACS Motion Control SPiiPlus controllers. Travel Specified by Endat/SmartAbs Standards Resolution...

Turck.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] Sendix encoders with 12-bit analog and 14-bit CANopen outputs are designed for applications requiring ragged, high-resolution encoders. Die-cast housings, resistance to humidity and condensation and an IP 69k...

BI technologies.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] With an encoder package similar to industry standard HS35 devices, the new absolute encoder features a microprocessor-based design, providing users unparallel design flexibility. Travel 360[degrees] ...

Renishaw.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] TONiC is a new super-compact non-contact optical encoder that offers speeds up to 10 m/s and resolutions down to 5 nm for both linear and rotary applications. TONiC offers improved signal stability and long-term...

Newall measurement systems.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] The new 2nd generation linear encoder Spherosyn 2G is designed for the conventional machine tool market. The 2G is quick to install, requires no maintenance and provides consistent accuracy under harsh environments....

Roboteq.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] The intelligent dual channel DC motor controller is capable of directly driving up to 120 A on each channel at up to 60 V. The AX2860 is targeted at designers of mobile robotic vehicles including automatic guided...

Omega engineering.(SpecCheck/ENCODERS)
March 1, 2009... [ILLUSTRATION OMITTED] The LE902 series linear encoders work on the principle of counting pulses as a series of graduations move past a detector. These graduations are deposited on a low-temperature-coefficient glass (quartz glass) and...

Quick disconnect.(New Products: Test & Measurement)
March 1, 2009... [ILLUSTRATION OMITTED] Wahl Instruments (Asheville, NC) announces the Wahl DST500 Temperature Indicator, and the DSX500 Transmitter Thermometers. The Digital RTD thermometers are wide range, high accuracy thermometers designed for...

USB option.(New Products: Test & Measurement)
March 1, 2009... FUTEK (Irvine, CA) introduces the TFF Reaction Torque Sensor. The new module with USB output eliminates the need for an analog amplifier, power supply and display equipment. Features include: * Aluminum construction. * Built-in...

Full thermal path.(New Products: Test & Measurement)
March 1, 2009... [ILLUSTRATION OMITTED] Nextreme Thermal Solutions (Durham, NC) announces the availability of the eTEG Thermoelectric Power Generation Evaluation Kit. The kit provides customers with a first evaluation solution for assessment of Nextreme's...

Production solution.(New Products: Test & Measurement)
March 1, 2009... [ILLUSTRATION OMITTED] Roos Instruments (Santa Clara, CA) provides a 77 GHz integrated high-speed ATE production solution. The system consists of 2 new mm-wave tester instruments modules (TIMs) that are additions to the RI7100C RF ATE...

Metal targets.(New Products: Test & Measurement)
March 1, 2009... Kaman's (Middletown, CT) KD-2306 is a non-contact linear displacement measuring instrument based on alanced bridge eddy current technology. The KD-2306 features: * The ability to sense ferrous and non-ferrous metal targets. *...

Corrosion resistant.(New Products: Test & Measurement)
March 1, 2009... Fenwal Controls (Ashland, MA) introduces the Series 30003 Open Frame Bimetal Thermostats. Series 30003 features: * Adjustable or pre-set fixed temperature models. * Mounting with a single screw. * Corrosion resistant nickel-plated...

Acting out: electromechanical linear actuators' versatility provides high thrusts with better positioning and controlling qualities.(New Products: Motion Control)
March 1, 2009... [ILLUSTRATION OMITTED] Each type of actuator has advantages and disadvantages given the requirements of the application. Each has a niche, and it depends on the design specifications when determining which type would best satisfy the...

Motor+driver.(From the Cover)
March 1, 2009... Intelligent Motion Systems (IMS) (Marlborough, CT) offers the MDrive product line with integrated motor+driver technology. IMS now features an optional internal encoder for position monitoring with differential- or single-ended outputs...

Rugged-duty.(New Products: Motion Control)
March 1, 2009... [ILLUSTRATION OMITTED] Warner Linear (Belvidere, IL) optimizes its B'Track family of rugged-duty electric linear actuators for applications requiring capabilities to withstand harsh environmental conditions. New applications include: ...

Sustainable energy savings.(New Products: Motion Control)
March 1, 2009... Electro Static Technology (Mechanic Falls, ME) introduces AEGIS SGR Bearing Protection Rings that help extend the lives of motors controlled by variable frequency drives. Features include: * No friction or wear for the service life of the...

Open gearing.(New Products: Motion Control)
March 1, 2009... Boston Gear (Quincy, MA) offers a range of open gearing products including: * Stock altering services (reboring, keyways and setscrews). * Spur, helical, miter, bevel, worms and worm gears. * Custom gearing design and...

Multi-featured variable speed.(New Products: Motion Control)
March 1, 2009... Bison Gear's (St. Charles, IL) TightDrive speed control for permanent magnet DC (PMDG) motors features: * 1/6 hp (124 W). * A 20:1 speed range with max output of 90 V. * An aluminum extrusion housing (NEMA 1/IP 30 protection). ...

Face mount.(New Products: Motion Control)
March 1, 2009... [ILLUSTRATION OMITTED] Midwest Motion's (Watertown, MN) new DC Gear Motor accepts any 24 VDC source, including battery power. The gear motor has a keyed output shaft of 12 mm diameter by 25 mm long. Features include: * 4 face mount M5...

Tight spaces.(New Products: Motion Control)
March 1, 2009... FRABA (Hamilton, NJ) offers MAGNETOCODE high-resolution absolute magnetic encoders. Self-powered, the encoders use a technology based on the 'Wiegand effect' that generates a short burst of electric power whenever the shaft rotates. Features...

Get the picture: D-Link's digital photo frame enhances photo sharing functionality and web entertainment content as this household staple evolves with the consumer electronics marketplace.(Engineering Answers: CONSUMER ELECTRONICS)
March 1, 2009... The art of photography, amateur and professional, has come a long way. From the first permanent photo taken by French inventor, Nicephore Niepce in the 1820s to instant color film production introduced in 1963 by Polaroid, memories of weddings,...

Advanced micro systems.(SpecCheck/DRIVES)
March 1, 2009... [ILLUSTRATION OMITTED] MAX Series single- and dual-axis programmable drives with controller, driver and power supply, provide 256-step resolution (fixed or variable), serial communication, 2K NV RAM for standalone operation and multiple...

Allied motion technologies.(SpecCheck/DRIVES)
March 1, 2009... [ILLUSTRATION OMITTED] The all-digital line-operated brushless servo drive far up to 4.8 kW (continuous) motors includes: programmable digital I/0, analog, PWM, step-direction command; and Hall, encoder or resolver feedback. Full fault...

Omega engineering.(SpecCheck/DRIVES)
March 1, 2009... [ILLUSTRATION OMITTED] The STM is a drive+motor+control unit, fusing step motor, drive and controller technologies into a single device. The "S" models offer step and direction, analog input, joystick control and serial host commands. The...

Danaher motion.(SpecCheck/DRIVES)
March 1, 2009... [ILLUSTRATION OMITTED] S200 servo drives are all-digital industrial drives with a velocity loop bandwidth of 800 Hz. They are high performance servo drives that extend the benefits of servo motion control technology to new levels of...

Portescap.(SpecCheck/DRIVES)
March 1, 2009... [ILLUSTRATION OMITTED] The EBL-H-50-03 4-quadrant amplifier has fully programmable features and is specifically engineered to optimize the performance of Portescap brushless motors in applications such as Bi-PAP respirators where...

Canfield connector.(SpecCheck/DRIVES)
March 1, 2009... [ILLUSTRATION OMITTED] The 5950 MPD is a compact electronic circuit built into an environment-resistant miniaturized enclosure, providing control of hydraulic and pneumatic proportional solenoid valves used by mobile construction equipment...

Koford engineering.(SpecCheck/DRIVES)
March 1, 2009... [ILLUSTRATION OMITTED] The 99 percent efficient 12 to 48 V, 20 A digital drives are for brushless hall sensor motors. With a 4" x 5" design that weighs 6 oz, the 56 k pwm efficiency reduces motor operating temperature, and the drive has no...

Aerotech.(SpecCheck/DRIVES)
March 1, 2009... [ILLUSTRATION OMITTED] The Ndrive family of digital servo amplifiers are discrete drive options for the Automation 3200 motion system. Capable of driving brushless and DC brush-type servomotors, and stepper motors, they perform bath...

Haydonkerk motion solutions.(SpecCheck/DRIVES)
March 1, 2009... [ILLUSTRATION OMITTED] The DCS4020 bipolar chopper drive includes motor current that is set using an on-board potentiometer. Without required external current setting resistors, the drive provides full- or half-stepping of bipolar...