IC693MDL231

IC693MDL231 

在编程中注意事项：

首先注意对FB80块初始化ANM180.0

SM180.0

AM180.1

RM180.1

二是数据位的调整，即PLC和DCS寄存器高位低位的调整。

4.4DCS端通讯接口硬件组态

对浙大中控JX-300XPDCS进行通讯组态，XP248通过SCCo*ol图形化编程软件进行通讯组态。SCCo*ol软件中已经集成了通讯设置功能以及ModbusRTU功能块、HostLink功能块等。利用SCCo*ol软件提供的数值或逻辑运算功能，XP248可以根据需要将智能模块输出的数据实现复杂的转换。（不支持SCCo*ol中的I/O功能块以及PID控制算法功能块）。但在这个项目中仅仅读取示值。

XP248组态主要几个部分：

首先是SCent组态。由于XP248与主控卡都挂接在SCentⅡ网络上，其组态方法与主控卡相同所以也占用SCentⅡ网络IP地址,扫描周期为0.5秒，通讯卡选XP248。

其次是自定义位号组态。从下挂设备读出或写入下挂设备的数据都存放在自定义位号中，XP248通过这些自定义位号与控制系统的操作员站、服务器进行数据交换。

****后是通讯组态。通讯组态也分为三个部分，一是对串口通讯参数组态，包括波特率、校验方式等；二是命令组态包括具体的Modbus通讯

4.5DCS端通讯软件编程

首先对SCCo*ol内置的XP248功能块说明

4.5.1GW_SETCOM功能块

IC693MDL231  

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IC693MDL231