Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.

Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.

Product Guide - Electronics

August 2002
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Rugged pressure transducer

The Ashcroft KM10 transducer from Dresser Instrument was designed to withstand shock, vibration, and operating temperature extremes during pressure-monitoring applications on compressors, pumps, and construction and other industrial equipment. The KM10 features a polysilicon thin-film sensor welded to a stainless steel process connection, which contributes to it achieving an ingress rating of IP67 for protection against the effects of weather, wash-downs, and temporary immersion in water. It has pressure ratings available through 7500 psi (51,700 kPa), and its operating temperature range is -40 to +120°C (-40 to +248°F). The KM10 is stable in the presence of RFI and EMI. Output signals of 1-5 V dc and 0.5-4.5 V dc are available.

High-bandwidth communications

ITT Industries, Cannon has released the PHD (photonics high-density) system for next-generation high-bandwidth communication systems and data-communication equipment. Through optical technology that uses light instead of copper, the PHD connector system is designed to enable the rollout of dense-wavelength, division-multiplexing optical networks that can transmit data up to 40 GB/s. The system uses small-form-factor optics that accommodate packaging of dense optics into both new and existing Cannon connector products. It is designed to be compatible with next-generation photonic switching systems such as micro-electromechanical system hardware and other carrier network and central switching systems.

Electronic joysticks

The JS Series joysticks from Sauer-Danfoss use a patented spherical magnetic ball and noncontacting Hall-effect sensors to detect and transmit handle position. The electronic design yields a linear relationship between handle position and signal output, with no hysteresis and a stable null. The company developed two standard joystick interface microcontrollers, the SX for single-axis applications and the MC200 for dual-axis applications. Standard software allows users to change the maximum valve outputs, joystick performance profiles, ramp rates, and valve driver parameters. Grip options include plain knob or grip with integral analog switch (pictured).

3-D grade control

Topcon Positioning Systems combined its System Five machine control platform with GPS technology to create a fully automatic, satellite-controlled 3-D grade control system. The 3D-GPS allows the operator to accurately grade design surfaces while eliminating the need for conventional staking and grade checking. Its software has single- or multiple-design axis capability and includes a digital-terrain-model function for virtual plan preview. The onboard display shows the equipment location in real time and provides the operator with the related design elevation, design slope, actual blade slope, and distance to finish grade data while operating in either manual or automatic mode.

Torque transducer

Magtrol has added the TMB series to its line of TM torque transducers. TMB transducers are rated from 1 to 500 N•m (0.75 to 370 lb•ft) nominal torque with an accuracy of 0.2% and speeds to 6000 rpm. The new series is considered a more cost-effective solution to the TM and TMHS series, which offer a 0.1% nominal torque from 1 to 10,000 N•m (0.75 to 7400 lb•ft), with speed ranges to 50,000 rpm. All Magtrol torque transducers use noncontact differential transformer measuring technology and have integrated electronic conditioning with open collector speed outputs. Because there are no strain gauges, sliprings, or rotating electronic components in the design, the transducers provide frictionless operation with high fatigue resistance.

Multifunction grip

Quadrastat Corp.'s grip assembly is for use in applications where up to 13 electrical functions are controlled with one hand. The design provides for a variety of switch types, sizes, and configurations. The grip is manufactured out of glass-reinforced nylon. The assembly mates directly with any 0.75-in (19-mm) diameter rod using up to three #5 screws. The mechanical C60 joystick operates two hydraulic valves, and with the grip, up to six additional functions. The grip can also be used with the T50/T60 Series mechanical controls for variable- displacement pumps and motors.

Momentary switch

Cole Hersee Co. has introduced the M-608, a plasticized push-button momentary switch for off-highway applications. The universal switch can be connected anywhere the driver needs a momentary "on." Because it is unaffected by adverse weather conditions, it is suitable for non-cab locations such as actuating motors on ancillary equipment. The M-608 is a spring-loaded single-pole, single-throw switch. A black rubber moisture-repellent cap snaps over the face nut for added protection. It is constructed with a brass case, brass hardware, and a chrome-plated brass plunger for added durability.

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Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.