描述
节点总线的传送介质一般为同轴电缆,有的采用令牌信号传送方式,有的采用带冲突检测的确良多路送取争用总线信号传送方式。不论采用哪种方式,当总线的干线任一处中断时,都会导致该总线上所有站及其子设备通讯故障。
Nice 1140 hour 25hp Sullair Rotary Vacuum Pump RSVS-12
Oil Rotary Piston Vacuum Pump WSDR 15K NIB
Roots Vacuum Pump FRU2880 NIB
NEW BOC Edwards iF-1800 (iF1800) Dry Vacuum Pump
Edwards BOC iL600 Dry Semiconductor Vacuum Pump
Edwards BOC iL600N Dry Semiconductor Vacuum Pump
Leybold Oerlikon TurboVac MAG W 1300 C Turbo Pump
Expedited shipping available
Edwards iL600N Vacuum Dry Pump Rebuilt
Industrial Vacuum System
Ebara AAS70WN Refurbished