描述
当用PLC进行网络设计时,其难度比PLC单机控制大得多。首先你应选用自己较熟悉的机型,对其基本指令和功能指令有较深入的了解,并且指令的执行速度和用户程序存储容量也应仔细了解。否则,不能适应你的实时要求,造成系统崩溃。另外,对通信接口、通信协议、数据传送速度等也要考虑。
NT INTERNATIONAL FLOW THRU PRESSURE TRANSDUCER
WARRENDER PVDF WET END, WE5002/ICS
MKS MANOMETER, TYPE 128, 128AA-00010B
Humphrey Solenoid Bank ST053101CJ-02
3 way/port valve
Futurestar FLOWMETER 5 GPM 1/2″ Anolog Odyssey
Master Interface PCB w/optional Arcom 123626
Lambda LND X 152 12-15 Volt Regulated Power Supply 2.5A
APPLIED MATERIALS QUARTZ COVER 125mm POLY, 0200-10044
APPLIED MATERIALS Ring, top, 125 mm flat, 0200-00157
COORS Tek, SEMI WAFER. CEL 8.62, 41120-87756-010
Entegris Replacement element kit and wire guards 213-75