Pilot Operated Solenoid Valves versus Direct Acting Solenoid Valves in Pneumatic Manifolds
Solenoid valves utilized in air manifolds can be immediate acting or pilot worked. On account of an immediate acting solenoid valve, the curl demonstrations straightforwardly on the valve spool to incite it. On account of a pilot worked solenoid valve, it utilizes framework pneumatic force as a pilot to activate the spool. Both have been being used for a long time and every ha their advantages. Nonetheless, for some, OEM's that are as yet utilizing direct acting solenoid valves in their pneumatic manifolds, it may be advantageous to think about moving to pilot incited valves to ease establishment, decrease impression, set aside some cash, and permit fieldbus correspondence.
As of late, we had a client that had been utilizing an exceptionally straightforward 6-station pneumatic complex with direct acting solenoids and they requesting that we investigate supplanting it with a more smaller complex that used pilot worked solenoid valves. We set up together an examination utilizing the Numatics 503 arrangement as it had fundamentally the same as stream attributes to the complex they had been utilizing for quite a long time. At last, the machine developer understood a simpler establishment, opened up profitable space on the machine control board, and got a good deal on the complex itself - all while enhancing execution. Truth be told, the fresher pilot worked 503 Series valves have a higher Cv and are intended for longer life.
Simplicity of Installation
The establishment was substantially less demanding since the OEM needed to convey just a single link to the complex. The Numatics 503 Series exploits interior circuit board innovation with the goal that a solitary 25-stick connector on the end plate is all that is expected to send a flag to any of the valves in the complex. The more established complex plan with direct acting solenoids required a different link to every one of the valves.
Numatics 503 Pilot Operated Solenoid Valve Pin Connector | Cross Company
Diminished Footprint
The impression required was fundamentally diminished, by around 30%, due to the more current outline of the 503 arrangement valves as a result of exhaustive refinements to the valve's inner plans. A littler valve can create a similar measure of stream on account of the better than ever outlines. For this situation, the Cv for the 503 valves was 1.2 contrasted with a Cv of 1.0 for the more established direct acting solenoid valve.
Cost Reduction
An around 20% lower cost was acknowledged since the more up to date style valves exploit the most recent innovation in lean assembling and were intended to benefit from enhancements in materials and get together strategies. There is likewise a cost decrease because of the simplicity of establishment as there are no wires to end on the valve complex.
Fieldbus Communication
A pilot worked solenoid valve complex additionally takes into consideration the future utilization of Fieldbus correspondence conventions, for example, DeviceNet, Ethernet/IPTM, PROFINET, EtherCAT®, and so forth. Fieldbus correspondences offer noteworthy points of interest in cost investment funds and analytic abilities. More on that subject can be found here.
Synopsis
At last, it was a simple choice to make. The OEM could convey to his client a cleaner looking machine with expanded execution all while decreasing his general expense.
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