IC697PWR720

IC697PWR720

IC697PWR720

4．怎样才能更好、更简单解决PLC系统干扰？

1）选用隔离性能较好的设备、选用优良的电源，动力线和信号线走线要更加合理等等，也能解决干扰，但是比较烦琐、不易操作而且成本较高。

2）利用信号隔离器这种产品解决干扰问题。只要在有干扰的地方，输入端和输出端中间加上这种产品，就可有效解决干扰问题。

5．为什么解决PLC系统干扰都选信号隔离器呢？

1）使用简单方便、可靠，成本低廉。

2）可大量减轻设计人员、系统调试人员工作量，即使复杂的系统在普通的设计人员手里，也会变的非常可靠。

6．信号隔离器工作原理是什么？

首先将PLC接收的信号，通过半导体器件调制变换，然后通过

光感或磁感器件进行隔离转换，然后再进行解调变换回隔离前原信号或不同信号，同时对隔离后信号的供电电源进行隔离处理。保证变换后的信号、电源、地之间绝对独立。

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