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。
NATIONAL SEMICONDUCTOR BLC-517 BOARD
ALLEN BRADLEY 1398-DDM-020 DRIVE 1398DDM020
CINCINNATI MILACRON 3-533-0760G PC BOARD 35330760G
GALCO ELECTRONICS 1000-CPU COMPUTER
NIB ALLEN BRADLEY 1326AB-B2E-11-A5 AC SERVO MOTOR
MICON S-32 CONTROLLER