Description
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。
NEW DURANT 48371 SHAFT ENCODER COMPLETE UNIT
SIEMENS 6SN1-123-1AB00-0BA1 POWER MODULE
NEW NETSTAL 110.240.5444.69 BOARD 110240544469
NEW VERO ELECTRONICS 116-010063D POWER SUPPLY PK-60
ALLEN BRADLEY 1775-P1 SERIES B POWER SUPPLY
NEW DIGITAL GATEWAY DG-1200 DOOR CONTROLLER DG1200
NEW SQUARE D H224 200 AMP SAFTEY SWITCH