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Sour_Grapes

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MOdicon M221 into Citect SCADA 7.2

Sour_Grapes posted a topic in Modicon / Telemecanique / Schneider Electric

Hello, I need to replace an obsolete twido PLC to Modicon TM2221ME32TK and in the process would like to get the variables back into Citect SACDA V7.2 I have been reading up on REad_var and write_var but am seeking clarification on how to get the existing %MW, digital inputs %I0.0 etc and outputs %Q0.0 mapped into modbus registers so SCADA can read them. I intend to use modbus TCP/IP communcations with the ethernet/ip adaptor. Do i need to use read and write_var to map into the addresses? Please find attached existing PLC code. PLC.twd
- 8 Jun 2021
- - m221
  - citect

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