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NodeRED crashing with S7 comm

Created by: Venomz at: 3/5/2021 2:52 PM (4 Replies)

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3/5/2021 2:52 PM	Rate (0)
Venomz Experienced Member Joined: 4/25/2018 Last visit: 4/16/2024 Posts: 72 Rating: (13)	Hello Experts, I have an error from the node-red-contrib-s7 package which crashed my NodeRED when Deploying the flow. I have followed the manual "S7_Comunication_node-red_V1.0.pdf" which was found in this forum in the "Getting Started" thread. The error I get is as follows: Original Error seems to point to this set off code: What can I do to fix this issue, is there a problem with the contrib pack for S7 communication?
	Last edited by: Venomz at: 03/05/2021 15:01:49
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3/5/2021 3:30 PM	Rate (0)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 4/24/2025 Posts: 3345 Rating: (382)	Hi, there is much entries about this topic already. For a workaround see here in the last post for example. Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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3/5/2021 3:40 PM	Rate (0)
Venomz Experienced Member Joined: 4/25/2018 Last visit: 4/16/2024 Posts: 72 Rating: (13)	After searching a bit on my own, seems like this may be the issue. New IOT2040 I received has Node-RED version: 0.20.7 / node.js 8.16.0 Any guide or way to upgrade both NodeRED and Node.js?

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3/5/2021 3:51 PM	Rate (0)
Venomz Experienced Member Joined: 4/25/2018 Last visit: 4/16/2024 Posts: 72 Rating: (13)	`npm install -g --unsafe-perm node-red` this seems to be the way
	Last edited by: Venomz at: 03/05/2021 15:52:54
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3/8/2021 8:17 AM	Rate (1)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 4/24/2025 Posts: 3345 Rating: (382)	Hi, yes, we have installed NodeJS version 8. Even this version 8 was patched by us to be able to run on the IOT2040s processor. NodeJS version 10 would require the same, so you are not able to upgrade NodeJS. The command you are describing is installing the current version of node-red - this will probably also not work because of the NodeJS version. So please go for the V2.1.1 of the S7 node and there won't be any problems. Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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