25TH ANNIVERSARY The way it was...
was revolutionary at the time. With its allowed the valves to be positioned once again out on the machine frame, close to the actuators and without a centralised pneumatic control cabinet. valves, allowing users to select and specify also made sense to integrate peripheral devices such as pressure sensors, vacuum generators and even smart devices reducing mounting time and wiring costs.
Cutting edge valve terminals and remote IO in early 2000s Terminal velocity
By the 1990s the integration of pneumatics and electrics was advancing fast. This led to Festo developing the valve terminal concept. This essentially entailed the solenoid pilot valves, directly mounted on the power valve bodies, converting the electric signals from the PLC into air pilot signals to switch the power valves. Electrical inputs were also integrated actuators). Wiring time was made faster and easier
by collecting the electric connections into cables. Also evolving at this time were systems rapidly replaced the multi-plugs on the early valve terminals. At one point integrated PLC for true distributed intelligence. This allowed machine elements to be built, wired, piped and commissioned individually and in parallel. They could then come together as a complete machine system at a later stage in the build – further reducing build times and Whilst the electrical
interfaces were developing, so too was the demand for numbers, sizes and functions were needed to sized actuators and run them at
Today’s valve
terminals flexible in configuration and connectivity
automationmagazine.co.uk
Continued evolution Driven by the ever-changing automation engineering landscape, Festo continues to improve its valve terminal design. digitalisation have been enduring trends throughout the valve terminal’s continued evolution. Valves have become smaller, increased enormously, and the relative costs have continuously decreased. Today, machine builders and users are laser focused on their productivity and them speed up the design, build and operation of their machines and at the same time reduce their purchase and life- time operating costs. The new Festo Valve Terminal Universal AP connectivity system. The advanced product and the connectivity platform can be used independently, but the greatest means that one universal valve terminal spans applications from the simplest de-centralised applications or hybrid architectures where the right technology is applied in the right places.
Automation | May 2024 75
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