Description
微控制器STC89C51RC、开关量输入电路、继电器输出电路、晶体管输出电路、RS232通信接口电路、电源电路、时钟复位电路和USB通信接口电路等，PLC硬件系统框图如图2所示，软件采用Borland公司集成开发软件C++ Builder
Electrica RVA2AMKC, 820ARR3C29 Relay Case of 100 NEW
24 Sporlan Thermostatic expansion valves Y1072-BIS NEW
Fincor 2200 DC controller Repaired by Electricial Sout
Telemecanique Altivar5, ATV452U22N, 3hp 460v, 3P 1-80hz
Allen-Bradley 500L-C0D94 Lighting contactor New
