Increased flexibility for pneumatic systems
Festo has launched what it claims is the world’s first fieldbus-controlled proportional valve regulator that mounts directly on a valve manifold. This fully-integrated approach offers unprecedented control flexibility and conveys numerous cost-saving advantages, including reduced parts-count, simplified installation and maintenance, less wiring and powerful remote diagnostics. The new VPPM-MPA proportional pressure regulator provides design engineers with an exceptionally easy and precise means of varying the pressure of air supplied, via the valve manifold, to pneumatic actuators, facilitating accurate control of speed, force, pressure and torque.
Designed specifically for use with Festo’s MPA series valve manifolds, the VPPM-MPA features a 1/8 inch proportional pressure valve and is available with a pressure range of 0-2 bar, 0-6 bar or 0-10 bar. The 0-10 bar model accommodates a flow rate of up to 1400 l/min. By employing an innovative cascaded dual-stage regulator design – each with its own pressure sensor – the VPPM-MPA is able to maintain extremely tight regulation under a wide range of operating conditions, and provides an exceptionally accurate level of control.
Festo’s MPA valve manifolds feature a built-in serial bus system, which accommodates all the fieldbus/Ethernet connections required by the modules that go to make up the system. These can include digital and analogue I/O modules, pressure sensors and regulators, as well as the valves themselves. Festo claims this feature is unique, saying that there are no competitive products on the market that offer a comparable level of pneumatic and electrical functional integration – and that it significantly reduces installation time and cost.
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