描述
PLC与DCS无法比较,PLC是控制器,是孤立的产品,而DCS是系统。但PLC可以与DCS的控制站比较,PLC的循环周期在10毫秒左右,而DCS控制站在500毫秒左右,PLC的开放性更好,作为产品其独立工作的能力更强。
AMD Athlon II X2 Desktop System w/BLUE-RAY!
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM w/DIGITAL
AMD Athlon II X2 2.8Ghz Desktop System w/BLUE-RAY!
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM w/DIGITAL
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM w/DIGITAL
DENTAL PORTABLE MOBILE X-RAY MACHINE SYSTEM w/DIGITAL