IC697MDL350 GE

DSM20A6
DSM20A6 5N27
MDB30C6
30L6P41
30L6P42
HCGF3A
MG15G1AL2
MG30G1BL1
MG30G1BL2
QM50DX-H
176
178

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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。

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