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Want to read LREAL data type from S7 input

Created by: AliEskiler at: 1/11/2018 12:24 PM (5 Replies)

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1/11/2018 12:24 PM	Rate (0)
AliEskiler Regular Member Joined: 11/27/2017 Last visit: 10/24/2024 Posts: 1 Rating: (0)	I want read LREAL data type from S7 input.What I need write to S7 variable.For example mine data is LREAL offset 6.0 ------------------------------------------------------------------------------------------ Split from S7 communication with node-red.
	Last edited by: Jen_Moderator at: 1/17/2018 12:22:02 PM New subject after splitting
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1/17/2018 8:17 AM	Rate (0)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 11/5/2024 Posts: 3345 Rating: (379)	Hi, I assume you already tried to "DB1,LREAL6"? I am not sure if LREAL is really working with this.. I have to check Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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1/22/2018 1:40 PM	Rate (0)
AutoGen_385673 Member Joined: 4/28/2015 Last visit: 12/7/2020 Posts: 4 Rating: (0)	I tried to read an UInt variable from a DB which was not successfull, while reading an Int variable works fine. Is there a list of supported data types, and / or known restrictions for the S7 communication nodes? AutoGen_385673

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1/23/2018 9:27 AM	Rate (1)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 11/5/2024 Posts: 3345 Rating: (379)	Hi, there is not really a list.. Here is a little documentation with a few examples. Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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1/23/2018 10:39 AM	Rate (1)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 11/5/2024 Posts: 3345 Rating: (379)	Hi, i also had no success reading LREAL and UInt. I assume that the S7 node can't handle the "new" datatypes for S7-1200 and S7-1500. Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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8/21/2023 8:31 PM	Rate (0)
nightingale Member Joined: 2/1/2012 Last visit: 8/21/2024 Posts: 1 Rating: (0)	var result = plc.Read(DataType.DataBlock, 15, 0, VarType.LReal, 1); db15 offset0

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