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7d
终于有人把西门子通信负载说明白了
在使用西门子PLC的时候,我们经常忽略一个重要的参数" 通信负载 "(也是“通讯负荷”)。在PLC与HMI连接 ,PLC与PLC进行通信等,博途 (TIA Portal)软件监控、第三方软件通讯等都需要占用PLC通讯负载。
搜狐
1mon
S7-1200使用ET1200SP接口模块扩充IO模块实例分享
西门子S7-1200CPU最多只能连8个扩展模块 ... 而无需考虑任何通讯编程等繁琐的工作。 典型应用S7-1200 PLC+ET1200SP+扩展模块,实拍图如下,箭头所指 ...
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11mon
西门子1211和1212区别
西门子,作为全球知名的自动化和控制技术提供商,其S7-1200系列PLC因其高性能、灵活性和可靠性而广受欢迎。在这一系列中,1211和1212型号是两款 ...
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