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Win CC communication with Loo 8

Created by: AutoGen_7892611 at: 4/28/2021 4:39 PM (2 Replies)

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4/28/2021 4:39 PM	Rate (0)
AutoGen_7892611 Member Joined: 8/28/2017 Last visit: 2/21/2023 Posts: 4 Rating: (0)	I am using Win CC K7.4.1.16 to communicate with a logo 8 FS4 with over Modbus TCP, log as firmware 1.81.01.27.6816C the communications works well but I cannot address the first input of the logo as a SCADA tag. From the second input with addess 1x1.0 up to the 24th input with address 1x23.0 I have no problems, by extrapolation the first input address should be 1x0.0 but this is rejected by the SCADA system as being unavailable. I could obviously redirect this input via another address and read the status but I would rather solve the problem correctly which I am sure will be helpful to those who come after me. Thanks Donald Pittendrigh

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4/28/2021 4:53 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/16/2026 Posts: 36463 Rating: (4552)	From LOGO! I can't tell you why it doesn't work because the LOGO! does not know this type of direct addressing by users. The conversion of the Modbus function codes into the LOGO! Addresses (and vice versa) is carried out by the firmware. Maybe you should start a Support Request.

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4/28/2021 5:07 PM	Rate (0)
AutoGen_7892611 Member Joined: 8/28/2017 Last visit: 2/21/2023 Posts: 4 Rating: (0)	Indeed, it is most probably a SCADA failure, I will copy the request there and if I dont get a reply will go for the support suggestion, thankyou.

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This contribution was helpful to 1 thankful Users ixo65

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