NAiS(R) brand FPO shirt-pocket PLC offers a small 3.5-sq-inch footprint and total volume of 8.5 cu inch. The ability to fit into existing panel space cuts user cost. The FPO system consists of 10, 14, 16, or 32 I/O control units with relay or transistor outputs and up to three similar-type expansion units.
Expansion modules are plugged into a control unit with the ability to mix-and-match output types; maximum I/O is 62 with relay-only outputs and as many as 128 transistor-only outputs. The control unit includes a run/program switch, run/program/alarm indicator LEDs, and a RS-232C programming port. Each expansion unit contains I/O terminal connectors and I/O status LEDs.
Aromat Corp., 629 Central Ave., New Providence, NJ 07974, FAX (908) 771-5658.
FXos micro PLC works from a 24V dc source and is available with either relay or transistor outputs. It delivers a switching capacity of 2.5A/point for the relay unit and 0.5A/point for the transistor output module. FXos is available in 10, 14, 20, and 30 I/O sizes. The CPU unit includes four high-speed counters; hardware interrupts; a built-in run/stop switch for mode switching; and an analog potentiometer adjustment for changing the value of a timer, counter, or data register.
Mitsubishi Electric Automation Inc., 800 E. Business Center Dr., Mt. Prospect, IL 60056, FAX (847) 298-0678.
Magnum ForceTM system eliminates static and removes dust and particulate from flat or contoured surfaces. It incorporates a high-velocity blower and high-penetration air knives to direct a continuous stream of clean air over a surface for neutralizing static and cleaning a variety of materials. By using blowers instead of compressed air, Magnum Force can reduce operational costs by 30 to 70%.
Simco, 2257 N. Penn Rd., Hatfield, PA 19440, FAX (215) 822-3795.
THERMX LG431 liquid crystal polymer offers a heat-deflection temperature of 290C, is inherently flame retardant, has excellent dimensional stability, low shrinkage, and no flash characteristics. Injection-molded applications include circuit-board connectors, datacom and wireless connectors, and healthcare applications.
Eastman Chemical Co., Box 431, Kingsport, TN 37662.
BMS-1210 Series low-cost direct-drive brushless servomotor is frameless and can be applied in a wide variety of applications requiring high torque in a compact package. Originally applied in a smart-munitions fin actuator system, the BMS-1210 utilizes a Hall sensor-ring assembly for commutation and eight rare-earth permanent magnets. The motor produces a peak torque of 228 oz-inches and a continuous torque rating of 70.14 oz-inches at stall. Designed for 28V dc operation, windings are also available to accommodate other voltages.
Kollmorgen Motion Technologies Group, 201 Rock Rd., Radford, VA 24141.
Standard line of miniature precision brushless dc motors are offered in sizes 5 through 30. These long- and short-design motors feature standard mounting with no metric components. The off-the-shelf line includes motor speeds to 100,000 rpm, temperature ratings to 150C, minimal cogging, a wide variety of coil winding voltages, and designs for harsh environments.
Transicoil Inc., Box 9011, Valley Forge, PA 19485, FAX (610) 539-3400.
MLC Series miniature high-capacity compression-only load cell/force sensor features a low-profile compact size for a wide range of portable and dedicated applications up to 33,000 lb. The load diameter is slightly convex for accurate load distribution. Low deflection through design, results in fast frequency response.
Transducer Techniques Inc., 43178 Business Park Dr., Temecula, CA 92590.
Two- and four-channel WDM capabilities, either through finished fiber-optic components or fiber-optic filter, are available. The WDM component/filters are made to customer specifications.
Precision Optics Corp., 22 E. Broadway, Gardner, MA 01440.
Electroforming offers new approaches for designing microcircuits, both rigid and flexible; challenging designs in small household appliances; toys and games; automobiles; home electronics; and other consumer products. To accommodate severe space constraints, conductor and space widths down to 5 microns are achievable in single or multilayer circuits.
Dynamics Research Corp., 60 Concord St., Wilmington, MA 01887, FAX (508) 657-7765.
Multiplexed, scalable, absolute encoders convert up to 16 shaft inputs to BCD or binary information, corresponding directly to the shaft angle with an accuracy of plus or minus 1 point in 3,600. There are no deficiencies such as limited-life brushes, light sources, brush noise, ambiguities, and limited resolution. Channel selection is via a binary address, and any output scale factor can be provided. Cable runs of up to 1,000 ft between the transducers the and electronics package can be used and multiple shafts can be encoded by adding another transducer. The encoders are suitable for severe electrical (EMI) and physical environments.
Computer Conversions Corp., 6 Dunton Ct., East Northport, NY 11731.
Series TF turbine flow sensor for industrial, commercial, and laboratory flow applications can be used with clean gases or clean low-viscosity liquids, depending on the model. A turbine wheel and electro-optical detection are used to convert flow rates into a linear 0 to 5V dc signal for recording and datalogging, with plus or minus 3% accuracy and plus or minus 3% linearity. This compact 1-lb sensor is constructed of premium-grade wetted parts, including a 40% glass-filled polyphenelene-sulfide sensor, Ryton fittings, a sapphire bearing, and a Viton O-ring. The unit operates from 12.5 plus or minus 2V dc power supplies.
Dwyer Instruments Inc., Box 373, Michigan City, IN 46361, FAX (219) 872-9057.
Model HI-Q111 smart display/controller features serial input, ASCII characters, 4-digits 0.6-inches-high 7-segment format with all segments and decimal points fully addressable, 0-9 numerals, and limited alpha characters. The user has control over every digit to display custom messages. 256 addresses are software programmable and baud rates of 1,200 to 9,600 are selectable. The 8-bit microcontroller controls the display and has room to accommodate custom software/hardware such as analog or digital signal with linearization. The small package snaps into the panel with connections made through screw terminal connectors at the rear of the unit.
Otek Corp., 4016 E. Tennessee St., Tucson, AZ 85714, FAX (520) 790-2808.
Standard and self-tracking pulleys are available with a maximum width of 180 mm and maximum diameter of 640 mm. They come in a variety of materials including aluminum, for high-stock applications; steel, for high-torque applications; stainless steel, for high-torque applications that cannot tolerate rust; and delrin/nylon, for light-weight and rust-free operation. The pulleys are available with or without flanges, bores, hubs, or keyways.
BRECOflex Co. L.L.C., Box 829, Eatontown, NJ 07724, FAX (908) 542-6725.
D.I.D.(R) low-noise roller chain has a triple-structure roller design with a middle roller made of a special rubber compound. Initial contact with the sprocket is made by the rubber roller, lowering chain-operating noise by up to 10 dB. Wear life and tensile strength are the same as a standard chain. The chain is available in size 40 to 80, in either carbon steel or nickel plated.
Daido Corp., Box 6739, Somerset, NJ 08875, FAX (908) 805-0122.
Kreen internal engine cleaner keeps automotive engines running smoothly with a four-way cleaning power that reaches the upper cylinder, crankcase, lower piston rings, and valve stems. By dissolving the carbon build-up on valve stems the cleaner can improve engine pick-up and increase total gas mileage. Kreen also softens carbon and dissolves gum, which allows piston rings to expand freely and restore compression. Applications include automotive and construction equipment, lift trucks, cars, trucks, and lawn mowers.
Kano Laboratories Inc., 1000 S. Thompson Lane, Nashville, TN 37211, FAX (615) 833-5790.
Dip Control Station
The Dip Control Station provides controlled immersion of a mandrel or other product format in the desired solution or coating material. This single-operator station is for manual applications or R&D requirements. The unit can be incorporated into larger automated systems or customized if required. The dip quench cycles are controlled independently in both directions. Four potentiometer dials on the front panel control the dip and quench speed setting. Each leg of travel is set by an individual dial. A timer with digital display provides variable dwell at the bottom of each cycle.
Medical Device Mfg., 1020 N. Lemon St., Orange, CA 92867, FAX (714) 532-5798.
Programmable logic controller
Programmable logic controller (PLC) meets the needs of OEM machine builders. The Modicon TSX Micro is a competitively priced, space-efficient PLC that offers high-speed, large-memory, modular I/O, multitasking, and distributed intelligence. To maximize performance, the PLC has inputs with programmable filter times, interrupt inputs, and fast outputs. Binary instructions execute in as little as 15mus. Scan time is 2.85 mS for 4k boolean, plus 0.15 mS per each additional 1k.
Schneider Automation Inc., 1 High St., North Andover, MA 01845, FAX (508) 975-9400.
ICEPAK 2.0 thermal management modeling package uses Computational Fluid Dynamics (CFD) to analyze air flow and thermal distribution in enclosed spaces, particularly those containing electronic components. The ICEPAK design environment allows engineers to reduce design costs and time-to-market on high-performance electronic systems. Physical modeling features include internal radiation, compact heat-sink object, and an allowance for fan swirl. To simplify model construction, usability features include dynamic group movement and snap-on functionality.
Fluent Inc., Centerra Resource Park, 10 Cavendish Court, Lebanon, NH 03766, FAX (603) 643-3967.
LFD-S-6 brushless linear servo motor has 4,400 lbs of peak force and a water-cooled 1,800 lbs of continuous force. Features include encapsulated coil windings, effective water cooling, an iron-based assembly, and a continuous force-per-coil area of more than 3.5 N/cm 2 (5 lbs/inch2). This motor is suitable for machine tool and general-automation applications requiring very high force. Thermistors offer additional protection against unintentional overheating of the motor coils. Microcontroller I2t optional-protection circuitry provides overcurrent protection in a panel-mountable package.
Anorad Corp., 110 Oser Ave., Hauppauge, NY 11788, FAX (516) 435-1612.
Model 2220 high-resolution I/O single-module subsystem features input threshold triggering. Bipolar ( plus or minus 10V) analog inputs offer 15-bit resolution and may be individually programmed to digitally filter incoming signals for increased stability. Two to 256 analog samples may be continuously sampled at update rates of 2.083 milliseconds. Eight bipolar analog outputs provide resolutions of 13 bits, with an output range of plus or minus 10V. Eight open-collector outputs are available for driving dc loads up to a 0.5A load with built-in over-current and short-circuit protection.
Control Technology Corp., 25 South St., Hopkinton, MA 01748, FAX (508) 435-2373.
Stevens Urethane thermoplastic polyurethane material is offered in blown-film and extruded-sheet, tubing, cord, and profile forms. For high-performance and critical applications, film and sheet can be manufactured in thicknesses from 0.001 to 0.125 inches. The urethane is available in durometers from 75 to 95 Shore A, and in a range of standard and custom colors, opacities, and surface textures.
JPS Elastomerics, 9 Sullivan Rd., Holyoke, MA 01040, FAX (413) 552-1199.
Series VBM molded thermoplastic vacuum breakers for industrial applications protect enclosed tanks from collapsing or structural damage during draining or pumping, and prevent unwanted siphoning in a system. They also prevent vacuum from occurring in a system, which in turn can protect sensitive instruments and filters from damage. The diaphragm permits mounting in any position. The ability to reposition against the valve seat in the identical location each time results in dependable repetitive sealing.
Plast-O-Matic Valves Inc., 1384 Pompton Ave., Cedar Grove, NJ 07009, FAX (201) 256-4745.
Electrically and thermally conductive adhesives combine resins and hardeners with conductive filters to provide the conductivity required for high-temperature electronic and industrial applications. Electrically conducted adhesives filled with silver or nickel provide up to 650F continuous service, and are commonly used for EMI/RFI shielding, electroplating, and solder replacement. Thermally conducted adhesives, filled with highly conductive fillers, are suited for applications requiring heat transfer to 650F service, such as bonding heating elements, cooling coils, semi conductors, and ceramic substrates.
Cotronics Corp., 3379 Shore Parkway, Brooklyn, NY 11235, FAX (718) 646-3028.
3D AutoTherm(R) FLOTHERM(R) interface for pc boards allows users to verify if PCBs are properly designed for the enclosure they are intended for, using the same database to do full-board and system-level analysis. For example, the user can fully validate the set-up of heat sinks and their impact on component placement and clearance for mounting before starting PCB routing and final layout.
Mentor Graphics Corp., 8005 S.W. Boeckman Rd., Wilsonville, OR 97070.
The SV600 Series Model SV603 piston-pump handles high-purity and aggressive media, and operates several million cycles without maintenance. An O-ring pumping system seals the piston while allowing the pump chamber to fill. A flexible diaphragm isolates the liquid from any metal-operating parts. Wetted surfaces are polypropylene and either Viton or EPDM elastomers. Suited for use where repeatable precision is required in dispensing small volumes over time, the SV603 can handle liquids that are affected by or deteriorate metal in the fluid path, such as medical and hazardous environment applications.
Valcor Engineering Corp., 2 Lawrence Rd., Springfield, NJ 07801, FAX (201) 467-8382.
Featuring VSWR less than 1.18 to 3.0 GHz, Series 31 size 8 coax contacts mate with more expensive constant-impedance contacts. A simplified three-piece construction delivers economical RF interconnection. Crimp/crimp technology eliminates the need for soldering and time-consuming cleaning procedures. The Series 31 contacts are available in right-angle, straight, and pc-board-mount configurations.
Retconn, 199 W. Pearl Rd., Torrington, CT 06790, FAX (860) 496-7307.
Master Bond EP30LTE adhesive offers reduction in the thermal expansion coefficient of epoxies and dimensional stability. This two-part epoxy system cures at room temperature or more rapidly at elevated temperatures. It's thermal-expansion coefficient is less than 12x10-6 inches/inch/C. Shrinkage upon cure is less than 0.0002 inch/inch. EP30LTE is recommended for applications exposed to repeated rapid environmental changes. This adhesive produces high-strength durable bonds to both similar and dissimilar substrates.
Master Bond Inc., 154 Hobart St., Hackensack, NJ 07601, FAX (201) 343-2132.
Step-motor technology for labeling provides flexible parameter setup via an operator terminal, a manual jog mode, synchronous and asynchronous labeling modes, automatic label setup, and standard I/O for control of peripheral equipment such as imprinters and counters. Missing label detection and correction can be accomplished without system interruption. Drive technology for inkjet systems requires no encoder or PLC. Flexible parameter input is accomplished through an interactive operator terminal, with manual jog and teach modes available. Up to 16 different products with 20 print positions, forward, and reverse, can be accommodated.
Berger Lahr Motion Technology Inc., 41170-A Joy Rd., Plymouth, MI 48170, FAX (313) 459-8622.
Mallory(R) orange-dip PHV and PHC Series high-voltage polypropylene film/foil capacitors feature a flame-retardant epoxy and are for high-voltage applications. The capacitors offer a very-low dissipation factor which means less heat loss resulting in higher operating efficiency and longer life. The PHV Series units have a pressed profile and are available in both 800V ac/1,800V dc and 900V ac/2,000V dc voltage ratings, with capacitances of 470pF to 0.015muF. The PHC Series capacitors feature a pressed-profile compact design for optimum utilization of pc-board space. They are available in both 450V ac/1,000V dc and 500V ac/2,000V dc voltage ratings, with capacitance values ranging from 220pF to 0.033muF.
North American Capacitor Co., 7545 Rockville Rd., Indianapolis, IN 46214, FAX (317) 273-2400.
GF 40 rubber finger gripper features individual finger adjustment to fit the workpiece, including round, oval, tubular, or square shapes. With an air pressure up to 2 bar, the rubber finger gripper bends to surround the workpiece. This gripper is useful for transferring molded plastic or sheet-metal parts, incandescent bulbs, bottles, glasses, and delicate products such as fluorescent tubes and stem-ware. It can also be used for molded plastic parts where the rubber jaws will conform to the shrinkage of the part. The large knobbed rubber surface will not mar the surface.
Techno-Sommer Automatic, Box 5416, New Hyde Park, NY 11042, FAX (516) 326-8827.
D.I.D.(R) low-noise roller chain has a triple-structure roller design with a middle roller made of a special rubber compound. Initial contact with the sprocket is made by the rubber roller, lowering chain operating noise by up to 10 dB. Wear life and tensile strength are the same as a standard chain. The chain is available in size 40 to 80, in either carbon steel or nickel plated. Low-noise sprockets are also offered.
Daido Corp., Box 6739, Somerset, NJ 08875, FAX (908) 805-0122.
Programmable logic controller
A Micro3C programmable logic controller (PLC) features advanced remote communications such as the ability to 'talk' to any intelligent device with a protocol. Two communication ports are available, either can be used for communication with other devices, the RS-232 and RS-485. An eight-bit protocol is used to convey data between intelligent machines. Housing 5,000 built-in registers, the Micro3 can perform ASCII, binary, and BCD conversions for easier formatting of communication strings. This functionality is useful for modem communications, user-defined communication, and monitoring data.
IDEC Corp., 1213 Elko Dr., Sunnyvale, CA 94089, FAX (800) 635-6246.
For servo applications that require extremely precise positioning, low-backlash planetary gearing is offered. Integer gear reduction ratios are available from 4:1 to 100:1 with efficiencies of 97% for single-stage gears and 94% for two-stage gears. Direct, integral motor coupling allows simple mounting of the servo-motor.
SEW-Eurodrive, Box 518, Lyman, SC 29365.
Model 876 cryogenic accelerometer is for vibration measurement or monitoring applications requiring operation at extremely cold temperatures. Shear-plate construction provides optimal mechanical isolation from strain-induced inputs and thermal-shock transients. The accelerometer is suitable for event and vibration monitoring of valves and pumps employed in cryogenic service. The electrically isolated, double-case construction provides electrostatic shielding and minimizes power-line frequency noise caused by multi-point grounding.
Columbia Research Laboratories Inc., 1925 MacDade Blvd., Woodlyn, PA 19094, FAX (610) 872-3882.
Model 31D electronic pressure switch is available in three pneumatic ranges from vacuum to 360 psi. The switch features a digital display of actual pressure, LED status indication, and adjustable hysteresis. It is suitable for resistive or inductive loads up to 1A, and switching points may be calibrated without applied pressure. A strain-gauge pressure sensor and solid-state output assure extremely long cycle life.
HERION USA Inc., 176 Thorn Hill Rd., Warrendale, PA 15086, FAX (412) 776-0310.
PT9150 industrial-grade cable-extension transducer provides position feedback signal for fork lifts, AGVs, and other materials-handling equipment that uses telescoping masts for retrieving materials stored on upper shelves to ground level. Perfect alignment is not required. Reliable and precise-position measurements are provided without the need for periodic adjustments. The PT9150 is accurate to 0.04% and repeatable to 0.02% full stroke. Its body is mounted to the stationary surface of the materials-handling equipment and its cable is attached to the top stage of the telescoping mast.
Celesco Transducer Products Inc., 7800 Deering Ave., Canoga Park, CA 91304.
The XLdp transmitter enables precise, reliable measurement and control of very low pressure and gas flows. A variable-capacitance sensor with a micromachined, ultra-thin, silicon diaphragm deflects only microns. The Si-Glass sensor is composed of sputtered metals and glass molecularly bonded to silicon, with no epoxies or other organics to contribute to drift or mechanical degradation. The transmitter is built of flame-proof NEMA 2 stainless steel and certified at 0.25 and 0.5% accuracy. Repeatable measurement and control of gas flow is possible as low as 30 fpm in most industrial, medical, or test applications.
Dresser Industries Inc., Instrument Div., 250 E. Main St., Stratford, CT 06497.
5-Way(R) binding posts offer a selection of red, white, blue, yellow, black, or green color rings. These rings are embedded in the thumbnuts to assure ready-circuit and polarity identification. All current-carrying parts are made from gold-plated, finely machined brass to provide maximum conductivity and resistance to corrosion. Miniature fluted-nut types are rated for 15A, 1,000V working, and standard hex-nut and fluted-nut types are rated for 30A, 1,000V working. Plastic parts offer resistance to corrosive atmospheres, heat, oil or grease, abrasion and impact, and chipping and cracking.
Warner Electric, Linear and Electronics Div., 383 Middle St., Bristol, CT 06010, FAX (860) 582-3784.
Machined spring #228 accommodates metal expansion in electrical connections. Made from a single piece of corrosion-resistant 303 stainless steel, this component provides thermal growth compensation, electrical continuity, and desired end configurations. A flexible section can be calibrated to meet most design requirements.
Helical Products Co. Inc., Box 1069, Santa Maria, CA 93456, FAX (805) 928-2369.
Independent of insertion into the chassis, Lockit strain reliefs self-lock into the cable. This completed sub-assembly can then be installed with fingertip pressure into the application's mounting hole. The strain reliefs protect the lifeline of electric/electronic products by absorbing the forces of push and pull that may be exerted on the flexible power cord. A rectangular design eliminates the possibility of part rotation under forces of twist.
Tally Inc., Box 99, Kenilworth, NJ 07033, FAX (908) 245-3238.
Power-Core rollers are non-hygroscopic, quiet running, and shock absorbing. They retain their dimensions and tight-bearing fit in all weather conditions, do not wear out either cam or rail, and have low rolling resistance for long life. An internal metal core is optional to dissipate heat generated in highly loaded riders. Replacing metal rollers with bronze bushings allows the roller to run directly on the shaft. Long-life performance can be calculated to determine static and dynamic loads, rotational speeds, and still times under load.
Intech Corp., 250 Herbert Ave., Closter, NJ 07624.
XM3000 Series cartesian robots feature 1- x 12-inch cycle times of 0.5 seconds, with XY axes repeatabilities of 0.015 mm (0.0006 inch). Ac servometers reduce maintenance, 3-D path control provides continuous path motion, and a smaller floor-space to work-envelope ratio reduces overall robot-arm footprints. Each model is controlled by SRC-310 robot/workcell controllers programmed in SPEL for WindowsTM to increase productivity. This unit is expandable to 256 I/O via plug-in modules. XM3000 robots are for small-part transfer, material handling, assembly, and other factory-automation applications.
Seiko Instruments USA Inc., Factory Automation Div., 2990 W. Lomita Blvd., Torrance, CA 90505, FAX (310) 517-8158.
Dynapar brand S428 intelligent process meter housed in a 1/8 DIN package is field configurable to accept one of four input types while also providing key process monitoring features. Offering maximum flexibility, a single unit can display dc voltage, dc current, thermocouple, or RTD input signals. The four-digit 0.56-inch-high LED display, available in red or green, is quickly and easily scaled via its front panel. Features include maximum and minimum valve capture, elapsed alarm-time display, and process variable offset. Applications include liquid-level sensing, flow rate, and roll diameter.
Danaher Controls, 1675 Delany Rd., Gurnee, IL 60031, FAX (847) 662-6633.
ARH Series of dc/dc converters for use in space and other radiation-hostile environments are designed to withstand a total dose of greater than 100K Rads(Si), and dose rates of 1E11 Rads(Si)/Sec. They exhibit no upset or latch-up at an LET of greater than 83 MeV-cm2/mg. Features include output regulation to no load, up to 30W output power, 18 to 50V dc input range, output short-circuit protection, and external synchronization.
Lambda Advanced Analog Inc., 2270 Martin Ave., Santa Clara, CA 95050, FAX (408) 988-2702.
Presto(R) encapsulated cartridges simplify air-system assembly because they are designed for simple installation into a single-diameter soft metal or thermoplastic cavity without using special tools. A positive-stop shoulder keeps the cartridges from being pushed too far into the cavity. The cartridges are available with color-coded release buttons to match Parker Parflex(R) J844 tubing to eliminate assembly errors. Presto cartridges are available in sizes 1/8 through 1/2 inch O.D. and accept nylon, polyethylene, polyurethane, and soft-metal tubing. A positive tube stop provides a consistent insertion depth on all cartridge sizes.
Parker Hannifin Corp., Fluid Connectors Group, 17325 Euclid Ave., Cleveland, OH 44112.
Lugs and splices
Type LCAF flared-barrel one-hole copper lugs and Type SCSF flared-barrel copper butt splices are for flexible and extra-flexible copper cables. Both feature a flared-barrel end that permits easy insertion of flexible cables and virtually eliminates "turned-back" wire strands. The color-coded barrel design provides simple identification of the proper die size. An inspection hole assures proper cable length insertion and the copper lug tongue contains a stamped part number and stud size for easy identification. Lugs and splices are for use by MROs and OEMs in industries such as locomotive, oil drilling, and panel shop.
Panduit Corp., Terminal Div., 17301 Ridgeland Ave., Tinley Park, IL 60477, FAX (815) 485-5839.
Series 590TM directional-control air valve is corrosion proof and protected against the effects of immersion, making it suitable for washdown applications. Features include 24V dc operation, plug-in electrical connections, flow of Cv 0.8, modular valve banks, integral flow controls, and operation with or without line lubrication.
The Rexroth Corp., Pneumatics Div., 1953 Mercer Rd., Lexington, KY 40511, FAX (800) 489-4188.