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GETTING S7 DATA INTO NODERED'S FUNCTION NODE

Created by: Ratan at: 6/28/2020 3:53 PM (4 Replies)

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6/28/2020 3:53 PM	Rate (0)
Ratan Experienced Member Joined: 12/7/2010 Last visit: 1/12/2026 Posts: 94 Rating: (0)	1d HELLO TO MEMBERS I AM USING NODERED WITH IOT2040. I HAVE DONE HTTP POST COMMAND WITH USE OF FUNCTION AND HTTP REQUEST. I NEED VARIABLE DATA IN MSG PAYLOAD LIKE IN EXAMPLE I HAVE USED TEMPERTURE 260.0 I NEED TO SEND VARIABLE DATA AT 260.0. I WILL COLLECT DATA FROM S7-1200 AS S7 NODE. FLOW IS HERE Attachment 2d9ce3fd3e434380d85a0987ed85787a90ad60ef-converted.pdf (461 Downloads)
	Last edited by: Ratan at: 06/28/2020 15:55:56
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6/29/2020 10:25 AM	Rate (0)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 1/15/2026 Posts: 3345 Rating: (382)	Hi, what are you trying to do? I think I don't get it 100%. You have a s7 connection and read out temperature, humidity and pressure? If e.g the temperature is bigger than 260 you want to send it via HTTP POST to a website? For what are you using the s7 out node after the POST event? Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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6/29/2020 11:05 AM	Rate (0)
Ratan Experienced Member Joined: 12/7/2010 Last visit: 1/12/2026 Posts: 94 Rating: (0)	bergmanu Hi, what are you trying to do? I think I don't get it 100%. You have a s7 connection and read out temperature, humidity and pressure? yes that i am able get. If e.g the temperature is bigger than 260 you want to send it via HTTP POST to a website? yes For what are you using the s7 out node after the POST event? to get status of http post Best regards! i am able to send http post from function node with constant value. but i need variable(dynamic) data which i have collected from siemens plc s7 connection in iot2040.

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6/29/2020 2:01 PM	Rate (1)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 1/15/2026 Posts: 3345 Rating: (382)	Hi, I have prepared a flow for you. I hope it does meet your requirements! I am not sure how you would like to have the feedback from the http node written into the S7, but I made it with a boolean. Of course you can also write the whole payload text into a string variable. If something is unclear, please let me know. P.S.: Next time please use the export function of node-red and post the exported flow Makes it much more easy for me. Best regards! Attachment httppost.txt (477 Downloads)
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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7/1/2020 5:25 AM	Rate (0)
Ratan Experienced Member Joined: 12/7/2010 Last visit: 1/12/2026 Posts: 94 Rating: (0)	Thank you bergmanu for your support and prompt reply. the application example is working for me.

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This contribution was helpful to 1 thankful Users bergmanu

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