描述
就地总线或现场总线-般由双绞线组成的数据通信网络,由于其连接的设备是与生产过程直接发生联系的一次元件或控制设备,所以工作环境恶劣,故障率高,容易受到检修人员的误动而影响生产过程。另外,总线本身也会因种种原因造成通信故障。
TAG 14015-186 24 QCB 30 Tractor Backhoe Bucket
Captron 5.5MF 20000VDC +/- 10% Capacitor 959-358701
CEMC 5.5MF 20000VDC +/- 10% Capacitor 142-1920
GE Medical 46-264470 G1-E Board Character Display
GE Medical Systems 46-288142 G1 Board PWR ASSIST and L
GE Medical Systems 46-288476 G1 Board ECM CPU BIU
GE Medical Systems 46-232730 Board R/F Positioner Inte