1783-HMS8S4CGN

1783-HMS8S4CGN

1783-HMS8S4CGN

由运行WinCC或其他组态软件的PC上位机与S7-300PLC下位机用网络相连，上位机负责监控与编程，下位机负责数据采集与控制；那么，这种结构属不属于严格意义上的DCS?  是不是像北京和利时的DCS系统,浙大中控的DCS系统，上海新华的DCS系统等等，才属于DCS控制？
答：由运行WinCC或其他组态软件的PC上位机与S7-300PLC下位机用网络相连，上位机负责监控与编程，下位机负责数据采集与控制；这种结构属属于小型的DCS。像北京和利时的DCS系统,浙大中控的DCS系统，上海新华的DCS系统等等属于大中型DCS控制。大型的DCS的模拟量采集和PID调节回路更新率和可扩展性要比PLC的更短更强。但是两种技术是互相借鉴的，以前的DCS都是板卡框架式居多，现在也向模块化靠拢。

现货，现货，降降降，火火火，火火火……

现货，现货，降降降，火火火，火火火……

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