描述
大规模PLC控制系统:生产过程是大规模过程控制、DCS系统和工厂自动化网络控制，I/O点数在512点以上。应该选用具有通信联网、智能控制、数据库、中断控制、函数运算的高档PLC,如SIEMENSS7-400等,再和工业现场总线结合实现工厂工业网络的通讯和控制。
RELIANCE ELECTRIC 0-56313-1 NSFP 0563131
RELIANCE ELECTRIC 802288-45A USPP 80228845A
RELIANCE ELECTRIC 0-52823 NSFP 052823
RELIANCE ELECTRIC 0-52851 NSFP 052851
6-75-YRVIT Reliance 75-Gallon Natural Gas Water Heater
RELIANCE ELECTRIC 78093-2R USPP 780932R
RELIANCE ELECTRIC 0-51818-2 NSPP 0518182
RELIANCE ELECTRIC 0-51839-11 NSPP 05183911
RELIANCE ELECTRIC 5VU41007 USPP 5VU41007
RELIANCE ELECTRIC 0-57404-3A NSFP 0574043A
RELIANCE ELECTRIC 0-54339-10 USPP 05433910
RELIANCE ELECTRIC 54339-10 USPP 5433910
