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。
Lot 990pcs KEMET 0.68uF 250vDC N75IN3680ZA00M Capcitors
Applied Material arc control dsp 9090-00419
New EUCHNER Safety Switch TZ1LE024RC18VAB 093862
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lot of 1600 SAMTEC 62549-01-S Connetors $0.3/pc
Sentry Commander PT40-H404-2-02C Remote Power Manager
NEW SICK ELECTRONIC MGSS75-12 LIGHT CURTAIN SENDER
NEW RELIANCE ELECTRIC 410403-43AC THYRISTOR 41040343AC
NEW STI MS4300 LIGHT CURTAIN SET 24″
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ALLEN BRADLEY 2707-L8P1 PANEL 2707L8P1 NEW
NEW EUROTHERM 605 DRIVE 605/007/230/1/F/0020/US/000
TECO ELECTRIC T-VERTER FA-N2-203-H AC SPEED DRIVE NEW