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TIA PORTLA / G120C Communication

12/18/2015 5:08 PM	Rate (0)
ahi_77 Experienced Member Joined: 10/23/2015 Last visit: 3/2/2025 Posts: 167 Rating: (2)	Dear, I am working on TIA Portal and trying to manage a Inverter G120C, i use the instruction DPRD_DAT to read and DPWD_DAT to write (Communication PLC ==> inv). Reading is OK but writing not, there some special parameter for write ? Thanks

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12/18/2015 5:22 PM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 3/27/2025 Posts: 22579 Rating: (3058)	Hello, no normaly you need no extra parameter, but you must set bit 10 in STW1 to 1 so that the drive accept the data. Regards Christoph

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12/18/2015 5:35 PM	Rate (0)
ahi_77 Experienced Member Joined: 10/23/2015 Last visit: 3/2/2025 Posts: 167 Rating: (2)	Thank you, But what is STW1 ? thanks

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12/18/2015 5:52 PM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 3/27/2025 Posts: 22579 Rating: (3058)	Hello, STW1 = Conntrol Word 1. Bit 10 in the Controlword1 say the drive that it get data from the plc: Regards Christoph

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12/21/2015 10:12 AM	Rate (0)
ahi_77 Experienced Member Joined: 10/23/2015 Last visit: 3/2/2025 Posts: 167 Rating: (2)	It's ok thank youvery much BR

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