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。
800 Amp Square D Molded Case Circuit Breaker MEC 836LI
800 Amp Square D Molded Case Circuit Breaker MEC 836LI
150 Amp Square D Molded Case Circuit Breaker KC34150
150 Amp Square D Molded Case Circuit Breaker KC34150
USED SICK CLV490-2010 Optic Barcode Scanner CLV 490
USED Technifor UC200/E Marking Machine Controller UC200
800 Amp Square D Molded Case Circuit Breaker MH 36800
USED Allen Bradley 1785-L80B/E PLC5 Enhanced Controller
NEW Elwood Gettys M433-JCN0-0203 AC Servo Motor