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The latest range of air logic devices from Parker Hannifin offers engineers an efficient modular system to improve the productivity and reliability of pneumatic circuits in a range of applications.

In particular, the devices can be used as an alternative to conventional PLCs, for managing smaller or less complex pneumatic circuits, and in areas where there is no electrical supply or where compliance is required with Atex directives.

Parker’s air logic system comprises a series of compact modules that operate in response to the condition of inlet and exhaust signals from connected upstream pneumatic devices, effectively replicating the operation of electrical switches and relays.

They can thus be used individually or combined in series to create a range of simple or advanced functions.

For example, when used as individual inline modules, they can provide passive and/or functions.

Alternatively, modules can be grouped together and mounted on standard rails, on sub-bases with a common air supply or in cabinets to provide active and, or, not, yes and memory functions, with functionality extended through user-selectable cascade or common input modes.

Modules are designed to plug together quickly and simply, with all inlet and exhaust connections being front mounted, and can easily be reconfigured if the requirements of the application change.

For rail- or sub-base-mounted systems this makes it possible to halve the amount of piping that would otherwise be needed.

Operating pressures can be between three and 8 bar, at temperatures from -40 to 60C, with modules typically having a response time under 3ms and an operating life greater than 10 million cycles at pressures of six bar.

Parker’s latest air-logic system is lubrication-free, incorporates pressure test points as standard and is available with a range of accessories.

These include time delays, bleed sensors, solenoid actuators, pressure switch relays and modular sequencers.

The latter are designed to control machines that need to go through a defined set of cycles.

Parker Hannifin — Parker Sales UK

With annual sales exceeding $10bn, Parker Hannifin is the world's leading manufacturer of motion and control technologies and systems, providing precision-engineered solutions for a wide variety of commercial, mobile, industrial and aerospace markets.

To meet its customers' needs in motion and control, Parker provides the broadest range of products available from any single supplier. This is supported by expertise in nine major technologies:

  • Hydraulics
  • Pneumatics
  • Electromechanical
  • Filtration
  • Process control
  • Fluid and gas handling
  • Sealing and shielding
  • Climate control
  • Aerospace

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