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。
ILX Lightwave LDC-3916558
3A Temperature Control Module
ILX Lightwave LCM39437 Current Source & TE Controller M
ILX Lightwave LDC3916372 0.5A Current Source / 9W Laser
ILX Lightwave LDX3207B Precision Current Source, 200mA
ILX Lightwave LDC-3916332 Module, Dual Current Source
with Warranty – Free Shipping
ILX Lightwave LDC3916338 3A Current Source Laser Diode
ILX Lightwave OMH-6727 InGaAs Power/WaveHead *Wty
79800B FIBER OPTIC SOURCE ILX LIGHTWAVE