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I have Wago 750-880 with different sensors. Someone wrote already a program to control it in Codesys. I would like to return (I have a Java background :D) - to write some variables to output in the driver, e.g. holding registers. I would like to to read later those variables (parameters) on a SSI page like that

<!--#READPI ADR=QX4.5&FORMAT=%X-->

I don't have any PLC experience :( How can I write to the Holding Register?

Thanks a lot in advance

chris
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    What have you tried? Not having experience means you should do research and try to figure it out! When you've tried something and run into a wall give us another shout :) – Dbz May 04 '17 at 18:46
  • What is SSI? How do you connect to PLC? Ethernet? What is communication protocol? modbus? ProfiBus? Can? – Sergey Romanov May 26 '17 at 13:04
  • @SergeyRomanov: SSI in a web-serving context is probably Server-Side Include, which e.g. Apache uses for basic dynamic page generation using very much the format in the codeblock. – Nathan Tuggy Jun 25 '17 at 06:20

2 Answers2

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My interpretation of the question is that you'd like the information to be reflected on a web interface or screen?

If so, in Wago's environment there is a VISU facility that you can enable to display whatever you'd like, and access it via a web browser over the internet.

This may help: Supplement to the User Manual for PLC Programming with CoDeSys 2.3

Mark
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create variables for your I/O and using the Modbus library to access your %MW??? variables. First %MW0 is at address 12288 and so on

ex: Input1 AT %MW10 ; //12288 + 10 = 12298

//MAP TO ACTUAL IP1 unit channel 1 Input1.0 = IP1.0

Coiphim Thich
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