描述
DCS在发展的过程中也是各厂家自成体系,但大部分的DCS系统,比如横河YOKOGAWA、霍尼维尔、ABB等等,虽说系统内部(过程级)的通讯协议不尽相同,但操作级的网络平台不约而同的选择了以太网络,采用标准或变形的TCP/IP协议。这样就提供了很方便的可扩展能力。
BUSCH TYPE SE 250 GAS TIGHT PUMP COMPRESSOR
USED: Stokes rotary vane vacuum pump, model 900-5-2. Dr
CTI Cryogenics Model SC Compressor and Controller
Osaka Vacuum Turbopump Power Supply TD2001
Welch Duo Seal Vacuum Pump Model 1405
Leybold-Heraeus Trivac Vacuum Pump:
Leybold-Heraeus Trivac Vacuum Pump: