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Found 6 results

  1. Hi all, I'm having some troubles to make modbus TCP work in my installation. I have a PLC 15.6'' USP-156-B10 programmed with a slave register table using slave ID1 and Port 502. I have tried to connect using modscan and PLC recognizes that i'm connected and receives the asks (sessions) but do not answer (success) to any of them on the Slave1 Structure. In modscan appears the following error: MODBUS exception response from slave device. I have followed the youtube tutorials about the modbus configuration and it's identical. PLC has been updated to the last version. On VisiLogic I have no problems when I want to communicate the PLC with modscan using modbus TCP. Please find enclosed some pictures about the issue and the program I have on PLC. Thank you, Best Regards, Àlex C332724_Pineda_9Turbines_20210324.ulpr
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