描述
有的内部继电器还可丢电保持,即它的状态(ON或OFF)、PLC丢电后,靠内部电池仍予以保持。再上电后可继续丢电前的状态。保持继电器可增强PLC控制能力,特别对记录故障,故障排除后恢复运行,更显得有用。
定时器,可进行定时控制。定时值可任意设定。定时器有多少,设定范围有多大,设定值的分辨率又是多少,这些都代表定时器件的性能。
*FS* Allen Bradley 2711P-T10C4D1 /A PanelView Plus 1000
60 DAYS WARRANTY!!! PKG DATE 09/13/2010
One-day shipping available
*FS* Allen Bradley 2711P-T10C4D1 /A PanelView Plus 1000
60 DAYS WARRANTY! QTY 2 AVAILABLE! PKG DATE 12/11/2010
One-day shipping available
*FS* Allen Bradley 2711P-T10C4D1 /A PanelView Plus 1000
60 DAYS WARRANTY!!! PKG DATE 03/13/2010
One-day shipping available
*FS* Allen Bradley 2711P-T10C4D1 /A PanelView Plus 1000
60 DAYS WARRANTY!!! PKG DATE 07/21/2010
One-day shipping available
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