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MAY 2023 I PCB007 MAGAZINE 63 tion (Figure 7). is means that the exhaust air is clean and dry, and no additional wastewater is produced. ermodynamic synergy effects regarding waste, heat, evaporation, and con- densation are the result. e necessary exhaust air volumes can be kept small, and thus the necessary purification is kept to a minimum by flow-optimized extraction. anode groups are provided. e use of a com- plex digital control system results in increased control accuracy, lower residual ripple, an extended control range, and higher efficiency. is all operates under the control of PLCs with integrated ProfiNet interface for data exchange with the plant control system for diagnosis and remote maintenance and improved energy efficiency. Ventilation and Effluents Modern electroplating sys- tems can reduce exhaust air from the process by up to 80% by having tank covers that are programmed to open when the transport drops a load into it. is leads to fewer emis- sions released into the envi- ronment (Figure 6). By using heat pumps to warm rinse waters, the evap- oration loss is replaced by water recovered from ventila- Figure 4: Articulating robotic arms provide racking and panel handling. (Source: Ludy) Figure 5: Modern PLCs provide networking, sensory and analytic control, and real-time displays. (Source: Atotech) Figure 6: Process tank covers can reduce exhaust air by up to 80%. (Source: Ludy)