A controller used for industrial controls as direct replacements for electromech nical control relays. PCs provide the user with the benefit of solid state reliability while avoiding its pitfalls. PCs have shielding or noise immune logic i.e., designedin isolation from high voltage input/output.; 一種用于工業(yè)控制、直接取代機(jī)電繼電器的控制裝置,既避免了固態(tài)器件的缺點(diǎn),又向用戶 提供了固態(tài)器件具有的可靠性高的優(yōu)點(diǎn)。它具有屏蔽或抗噪聲邏輯電路,即設(shè)計中有 高電壓輸入輸出的隔離措施。