SIMPLE SCALABLE SECURE

electrical controllers; programmable logic controllers (PLC); programmable automation controllers (PAC); controllers, namely, industrial automation controls; microcontrollers; industrial network switch modules; industrial communication modules; power supplies; computer software, firmware, and electro-magnetic connections for connecting and controlling Central Processing Units (CPUs), power supplies, input and output (I/O) modules, integrated circuit modules, backplanes, controllers, network switch modules, and communication modules; industrial distributed control systems (DCS) for industrial purposes comprised of input and output (I/O) modules, power modules, backplanes, microcontrollers, communication modules, circuit boards, network switch modules and controllers