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I am looking for Web HMI software that can read/write using Modbus TCP protocol from/into PLCs. The PLCs are located in remote places i.e. one PLC in a Building, second PLC in Shopping Mall, third in Gas Station etc. My application is different from a Factory HMI where you have a cluster of PLCs in one factory talking to one server and therefore it is not suitable for my kind of application. All my PLCs have a hardware bridge for Ethernet installed on site.
Can someone suggest a suitable Web HMI software for my application.
Can someone suggest a suitable Web HMI software for my application.