描述
如接线端或导线接触不良,接线端与实际信号不一致,输入信号线接反、松动、脱落,模块与底座接插不良等。人为的错误如将拨码开关位置放错,通信线接线方向错误或终端匹配器未接等。以上问题只要加强日常维修检查,加强人的责任心是可以杜绝、发现、消除的。
Cooper Cleco 67ES285D6 Netsetter Inline Fixed Spindle
Cooper Cleco 67ES285D6 Netsetter Inline Fixed Spindle
Wonderware InTouch Development 1000 Tag FS2000/9.0 New
HAAS BRUSH ROTARY CONTROL F Board 32-3051F 93-1135 NEW
IPC Alliance MX DCIC Card NEW
IPC Alliance MX ALIC Card NEW
GUTOR 640-4049A Rev 2 Controller Board 0P0360 NEW