# Sinumerik840D PN

**URL:** <https://discourse.nodered.org/t/sinumerik840d-pn/36863>\
**Category:** Industrial\
**Created:** [2 December 2020 11:29 UTC](https://discourse.nodered.org/t/sinumerik840d-pn/36863 "2020-12-02T11:29:54Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![DaveMou](https://avatars.discourse-cdn.com/v4/letter/d/a9adbd/32.png) [@DaveMou](https://discourse.nodered.org/u/DaveMou)\
**Post date:** [2 December 2020 11:29 UTC](https://discourse.nodered.org/t/sinumerik840d-pn/36863/1 "2020-12-02T11:29:54Z")

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Dear colleagues,

Has someone communicated with Sinumerik 840D via profinet with S7 nodes? Is it possible? Thank you

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**Author:** ![machadotiago](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/machadotiago/32/23776_2.png) [@machadotiago](https://discourse.nodered.org/u/machadotiago)\
**Post date:** [3 December 2020 14:34 UTC](https://discourse.nodered.org/t/sinumerik840d-pn/36863/2 "2020-12-03T14:34:26Z")

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Hello DaveMou,  
we have many customers using 840D communication with our Node-RED hardware [ST-One](https://st-one.io/st-one). But we communicate directly with the software running in the 840D, not with the Profinet network.

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [1 February 2021 14:34 UTC](https://discourse.nodered.org/t/sinumerik840d-pn/36863/3 "2021-02-01T14:34:28Z")

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