PLC-5 Processor
1785-L60B
1785-L60B
状态模块主要是检测继电器的状态转换。由于触点的物理特性。动触点在吸合接触静触点的瞬间往往会先吸合，再以微小的幅值弹开后再次吸合。针对这样的"抖动"，传统测试装置因灵敏度太差，而对测试结果不会造成影响；然而，该测试台因采用PLC检测触点接触，虽然仅仅是不到0.01s，但是PLC会因捕捉到这样的"抖动"而误认为触点吸合了两次或更多次，以致测量无法正常进行。因此，在软件设计中采取了防抖功能，如图4所示。接点不动作时定时器002计时开始，20 ms后输出为"1"。当接点闭合或断开瞬间，辅助继电器20.09或20.10接通一个扫描周期，高速计数器002开始计时，计时到后辅助继电器20.12接通一个扫描周期，表示继电器状态已可靠转换。
备货，备货，降降降，火火火，火火火……
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公司名称：厦门泰尼电气有限公司
联系人：小黄（销售代表）
联系电话：
传真号码：（麻烦备注01006收）
手机：
QQ号码:2917675397
邮箱：2917675397@qq.com
诚信经营，质量为首，诚信至上，泰尼电气小黄竭诚为您服务！！！
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