Hi, i would like to push data from one payload into a file only if an other payload from an other sensor is present or changes. How is this possible? I need something like an if clause i think but don't realy know how. Please help me out.

Hey, You mean you want to record "Spannung" and "Temperatur" when you detect a rising edge on each "msg.payload.Input" ? If I understand well, then you would like to do something like that: [{"id":"1afe00a2.f1cc6f","type":"debug","z":"84bbe9a6.6ddfa8","name":"","active":true,"tosidebar":true,"con…

Take a look at the cookbook there’s an example that should give you the structure you probably need https://cookbook.nodered.org/basic/route-on-context

Thanks for your quick reply. I think the switch node isn't that what I'm looking for. I've tried it but doen't work. I'm building a device to check binary in- and outputs of devices. My problem is that I have two payloads which I want to log in a file. The first one is a voltage which is increased…

I am confused. You say you have two payloads. Are they available in one message or are they in separate messages? Also you then go on to talk about one of 8 inputs being true. What are these 8 inputs?

These inputs are from a Siemens Logo. If one of them is true I want to log the input itself, the current voltagelevel and the ambient temperature. Somehow I want to implement that in a flow like that. Here you can see the two payloads i mean. The first msg.payload.Spannung and the msg.payload.Tempe…

Oh I'm sorry. I'm new to that forum. It's very nice programmed btw. very overseeable. I like it. [{"id":"f5a842ed.940dc","type":"tab","label":"Flow 1"},{"id":"77edeaa3.1e5674","type":"s7 in","z":"f5a842ed.940dc","endpoint":"83e511e7.543f6","mode":"all","variable":"","diff":true,"name":"LOGO 8 Spann…

You can combine them using the batch and join node. [{"id":"8d4e610b.6f9a6","type":"change","z":"acbc2c98.94ee28","name":"spannung","rules":[{"t":"set","p":"payload","pt":"msg","to":"payload.Spannung/100","tot":"jsonata"},{"t":"set","p":"topic","pt":"msg","to":"spannung","tot":"str"}],"action":"","…

If I understand well: you want to log "spannung" and "temperatur" when a binary input goes to "true", am I right ? Then you just have to implement a rising edge detection using flow context. Rising edge means the binary input goes from "false" to "true". [{"id":"7bf4a3cf.84abbc","type":"s7 in","z"…

Thank you very much that's the solution. Every time I get a rising edge I want to log the current data. This is exactly what I was looking for. Thank you all for your help. cheers!

Thanks for your approach, I only can't open your file correct becaus of missing nodes. What kind of package I have to download if I want to see the batch node? regards! [image] bakman2: [{"id":"8d4e610b.6f9a6","type":"change","z":"acbc2c98.94ee28","name":"spannung","rules":[{"t":"set","p":"pa…

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Case triggered storing

General

bakman2 14 August 2019 13:31 6

Please export your flow again and follow this topic.

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