Description
通常，先是更换模块，或测量输入或输出端子板两端电压测量值正确，模块不响应，则应更换模块。若更换后仍无效，则可能是现场连接出问题了。输出设备截止，输出端间电压达到某一预定值，就表明现场连线有误。若输出器受激励，且LED指示器不亮
NEW ABB 3HNM06855-1 Purge Sensor 3HNM 00272-1
XYCOM XVME-660 VME BUS XVME 660 XVME660 Intel USED
USED Allen Bradley 2711P-RDT10C PanelView Plus 1000
USED Allen Bradley 1756-L61S B GuardLogix Processor
