# Node-red-contrib-s7 | Notes on S7-1200/1500

**URL:** <https://discourse.nodered.org/t/node-red-contrib-s7-notes-on-s7-1200-1500/11220>\
**Category:** General\
**Created:** [16 May 2019 17:29 UTC](https://discourse.nodered.org/t/node-red-contrib-s7-notes-on-s7-1200-1500/11220 "2019-05-16T17:29:51Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![MaFoB](https://avatars.discourse-cdn.com/v4/letter/m/f14d63/32.png) [@MaFoB](https://discourse.nodered.org/u/MaFoB)\
**Post date:** [16 May 2019 17:29 UTC](https://discourse.nodered.org/t/node-red-contrib-s7-notes-on-s7-1200-1500/11220/1 "2019-05-16T17:29:51Z")

</div>

> **[node-red-contrib-s7](https://flows.nodered.org/node/node-red-contrib-s7)**
>
> A Node-RED node to interact with Siemens S7 PLCs

> Notes on S7-1200/1500

Additionally, the default connection property  
Rack/Slot 0/2  
needs to be changed to  
Rack/Slot 0/0