5/21/2018 10:55 AM | |
Joined: 9/9/2015 Last visit: 9/15/2024 Posts: 727 Rating: (278) |
Your communication protocol should be Modbus TCP. 1. What are the features for the existing EMS provided? You might need to consider the amount of works to map the existing connection to PCS 7. Each serial-ethernet gateway should be considered as one Modbus TCP connection. Then depending on what is the information you would like to get from the power meter. If just monitoring some energy values, then it will be quite easy. But if need to see a lot of information, then it will be quite difficult. Some EMS, they have got all the power meter templates in their system. They could configure just the model and IP address, then it will have the full functionality of the power meter in their system and be able to print out energy report. 2. What kinds of CPU you have? For example, for CPU410-5H, can only configure max of 118 TCP connections. If you have 4 RS485 Power meter connected to one Serial-ethernet gateway, then you will have one IP, and one TCP connection. since you have less than 100 devices, should be no problem) Hope it helps. Attached with a picture for you. |
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