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Penny and Giles, a product brand of Curtiss-Wright Controls Industrial, has introduced two in-cylinder linear transducers — the ICT800 and ICT820 — that are suitable for intelligent mobile hydraulics. Designed to survive in environments prone to extremes of vibration and shock, the transducers are also suitable for use in a range of system fluids, including mineral, synthetic, fire-retardant, water-glycol and eco fluids.

The ICT800 and the ICT820 are said to combine the best features of Penny and Giles’ LVDT and potentiometer technologies into a single, rugged and reliable displacement transducer, which, using contactless inductive coil technology, means both provide an almost limitless and maintenance-free working life and an excellent body-to-stroke-length ratio.

Signal conditioning is integrated into the transducer’s flange, simplifying installation and eliminating interconnecting cables that can reduce the reliability of a control system.

Both models have sensor body diameters of 8mm, making them suitable for small-bore cylinder applications or for installation into hydraulic and pneumatic cylinders where space is at a premium.

Products in detail

  • Both models feature a choice of internal or threaded external flange mounting configurations to suit tie-rod, welded and rear clevis-mounted cylinder types with stroke ranges from 25–1,000mm.
  • Two core configurations are available: a sleeve-cored version allows cylinder rods to be easily machined to accommodate the sleeve and provides OEMs with the option of retrofitting existing servo cylinders with an upgrade to ICT technology; while a threaded-core version provides designers with the smallest body size available and straightforward installation, requiring only minimal machining.
  • The transducers are constructed from stainless steel.
  • Their working pressure is 670 bar (10,000lb/in2) and their operating temperature range is -40°C to +125°C.

ICT800

  • This model features 12-bit resolution.
  • It operates from a 8–30VDC (unregulated) supply or a 5VDC (regulated) supply.
  • It provides an absolute analogue output signal of either 0.5–4.5VDC or 0.2–4.8VDC over the selected measurement range.
  • The transducer is factory configured for measurement range, output range and low-high output position.
  • It uses an on-board microcontroller to linearise the transducer coil signal to less than ±0.1 per cent non-linearity.

ICT820

  • This model features 13-bit resolution.
  • It features a CAN SAE J1939 interface
  • It operates from an 8–30VDC or 5VDC supply.
  • The tranducer is factory configured for measurement range and low-high signal output position.
  • There is a choice of five Baud rates, three frame rates and multiple node ID options for the interface.
  • The use of an integrated CAN interface allows the device to be directly connected to the fieldbus and to operate as a slave device without the need for cost-intensive I/O or gateway modules.

Curtiss-Wright Industrial Group

The Curtiss-Wright Industrial Group is formed from a number established specialist companies who are experts in the design, testing and manufacture of a range of components and systems for the safe and reliable operation and control of mobile and static machinery – especially off-highway vehicles, heavy trucks, buses, military vehicles and motorsport. Within the business are four market leading brands — Penny & Giles Controls, PG Drives Technology, William Controls, and Arens Controls.

The Curtiss-Wright Industrial Group is formed from a number established specialist companies who are experts in the design, testing and manufacture of a range of components and systems for the safe and reliable operation and control of mobile and static machinery – especially off-highway vehicles, heavy trucks, buses, military vehicles and motorsport. Within the business are four market leading brands — Penny & Giles Controls, PG Drives Technology, William Controls, and Arens Controls.

Penny & Giles Controls
Delivers rugged component level solutions using the latest non-contact sensing technologies, and specialises in rotary, linear and tilt position sensors; joysticks; solenoid actuators and associated electronic signal conditioning. The business was first established in 1956 and pioneered aerospace sensing and data recording technologies with a reputation for quality, performance and reliability. The aerospace business continues today within other Curtiss-Wright business units. The company joined Curtiss-Wright in 2002.

PG Drives Technology
Delivers rugged subsystem solutions including programmable controllers and drives used in a wide variety of advanced electric-powered vehicles such as forklifts, pallet loaders, mobility scooters and wheelchairs, serving the industrial and medical markets. These products deliver precise variable power from batteries to electric drive motors, and are fully programmable to suit various motor profiles, voltages and power levels. The business was first established in 1976 and was originally part of the Penny & Giles group of companies. The company joined Curtiss-Wright in 2012.

Williams Controls
Delivers rugged component level solutions and is a leading designer and manufacturer of highly-engineered electronic sensors and electronic throttle controls for off-road equipment, heavy trucks, and military vehicles. The business was first established in 1937 and pioneered the development of the first electronic throttle control for large diesel engines, quickly becoming the world leader in the design and manufacture of electronic throttle controls for trucks and buses. The company joined Curtiss-Wright in 2012.

Arens Controls
Delivers rugged component level and subsystem solutions and is a leading designer and manufacturer of highly engineered electronic shift controls for automatic transmissions used on heavy trucks and buses. The company also designs and manufactures power management and traction systems for the emerging Hybrid Electronic Vehicle (HEV) market. The business was first established in 1939 and pioneered the development of “by-wire” vehicle control technology, and more recently power electronic drivetrain components and systems for the HEV market. The company joined Curtiss-Wright in 2013.

Curtiss-Wright Industrial Group has manufacturing sites in the US, Europe, India and China. Total customer service and support is assured via a global sales network with CWIG offices in the US, UK, Germany, India, Taiwan and China, as well as a network of distributors and agents covering other regions.

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