12/16/2014 6:47 AM | |
Posts: 25 Rating: (0) |
Hi Experts, I need your help.. This is my first time to use WINCC SCADA v7.2 is it possible to connect with schneider power meter PM800 (Modbus TCP)?? I need a step by step procedure Thanks and Godbless -------- New subject after splitting from send power meter data on wincc |
Last edited by: Min_Moderator at: 12/16/2014 9:16 AMSplitted |
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12/16/2014 1:01 PM | |
Posts: 457 Rating: (46) |
Hello jhing, please use Modbus TCP driver to connect power meter to WinCC. Here is a description about WinCC communication: https://support.automation.siemens.com/WW/llisapi.dll?query=73568736&func=cslib.cssearch&content=adsearch%2Fadsearch.aspx&lang=en&siteid=csius&objaction=cssearch&searchinprim=0&nodeid0=4000024&redir=false&x=0&y=0 Here you can find correct info about connection parameters. Info about Modbus is provided in Schneider's manual. One thing is pretty complicated: I don't know if sample values (power data) have a long real format (32 bit or 64 bit ?) because cumulated power can be a great real value. So, maybe, you will get into trouble while reading a long value (8 byte) into a 4-byte value in WInCC. In addition I will post you a sample how to connect a Sentron power meter to WinCC. It's the same task and I think you can use it directly. I'm sorry it's only provided in german language but it will serve you well: https://support.automation.siemens.com/WW/llisapi.dll/csfetch/37885119/68375_76.pdf?func=cslib.csFetch&nodeid=37886529 Best regards Georg |
Last edited by: Min_Moderator at: 12/16/2014 1:26 PMlinks now permanent |
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12/17/2014 9:13 AM | |
Posts: 457 Rating: (46) |
Hello jhing, unfortunately there is no Modbus RTU driver provided in WinCC. This makes things more complicated, but your request may be solved nevertheless. You must use a gateway which transfers Modbus RTU to Modbus TCP or Modbus RTUto OPC. I can imagine that Schneider provides OPC-interface and you will be able to connect directly via OPC to WinCC. Please use search-functionality regarding "OPC" in WinCC. Please see these links: http://support.automation.siemens.com/WW/view/de/90880885
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12/21/2014 11:32 PM | |
Posts: 25 Rating: (0) |
Help please :( |
12/22/2014 9:03 AM | |
Posts: 457 Rating: (46) |
Hello jhing, if you can provide Modbus TCP (via gateway) then you can use WinCC Modbus TCP driver as you have shown in your picture. There is no need for a OPC-connection. For Schneider PM800 , Schneider is providing a hardware to connect Modbus RTU to TCP (read Schneider manual), in addition Matricon provides a OPC server to connect PM800 directly (http://www.matrikonopc.com/opc-drivers/1147/index.aspx) if you use Modbus RTU. To start, first thing is to check if you get PM800 data to your gateway correctly. I will ask colleague for support. But try and report. Georg |
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12/22/2014 9:10 AM | |
Posts: 457 Rating: (46) |
Hello, tell us which PLC do you use! Maybe there is existing a communication interface for Modbus RTU! Georg |
5/27/2016 1:21 PM | |
Joined: 9/3/2014 Last visit: 3/13/2019 Posts: 4766 Rating: (122) |
New question published by O1GUNK is split to a separate thread with the subject Data from PM800 to WinCC SCADA v7.2. Best regards |
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