Controls for suction plants in timber and plastic processing industry ensure, that dust at processing machines is sucked off according to the technical rules for dangerous materials TRGS 553.
They recognize the operating state on/off of a machine by measuring the current in the cable to the machine. This reduces installation.
Simple devices start suction plant as soon as at least one of up to 12 machines is switched on.
Devices with more features optimize function of plant by opening valves at active machines only. This improves power of suction, saves energy and provides high possible savings in measures according to directive for energy efficiency 2012/27/EU.