1746-A7
1746-A7
日常维护
PLC的日常维护和保养比较简单，主要是更换保险丝和锂电池,基本没有其它易损元器件。由于存放用户程序的随机存储器（RAM）、计数器和具有保持功能的辅助继电器等均用锂电池保护，锂电池的寿命大约为5年，当锂电池的电压逐渐降低到一定程度时，PLC基本单元上电池电压跌落到指示灯亮，提示用户注意有锂电池所支持的程序还可保留一周左右，必须更换电池，这是日常维护的主要内容。
福州卓凯电子科技有限公司
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【服务说明】现货配送至全国各地含税含运费
【产品质量】全新原装正品，有发票
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