G85139-E1721-A883电机
功能描述:
1、JMDM-RS232串口控制器用于继电器（或晶体管）的开启和关闭。
2、上位机（PC机或主PLC）通过串口连接到本控制器后，向控制器发送一串ASCII代码指令即可控制某个（或）继电器打开或关闭，不必要考虑继电器的硬件电路上选择、驱动等问题。
比如，串口输入O(002, 1)则2号继电器通电吸合；串口输入“O(012, 0)”，则12号继电器失电断开。
3、串口控制器和控制主机之间距离可以通过485总线延长，长组网可以达到一千米；
4、单个串口控制器可以立控制40路继电器(或晶体管)的开启和关闭。通过地址编码，在延时1秒许可的情况下，一个串口多可以寻址、控制100块串口控制器，构成一个由4000个输出点的大系统。
6、可提供串口通信协议以及VB通信源程序，赠送VB通过RS232串口操作控制器的演示程序或代为开发程序。
7、控制器有四个拨动开关，可以设定从（0-16）号控制器的地址,也可用软件编程设定控制器地址和拨动开关的用途。
8、控制器带有系统时钟，可以用定时控制继电器的通断。
9、本继电器控制器配有工控级别外壳，美观大方，方便安装。
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