# S7 node not connect to plc1200

**URL:** <https://discourse.nodered.org/t/s7-node-not-connect-to-plc1200/69579>\
**Category:** General\
**Created:** [25 October 2022 14:57 UTC](https://discourse.nodered.org/t/s7-node-not-connect-to-plc1200/69579 "2022-10-25T14:57:22Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![denissanga](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/denissanga/32/48346_2.png) [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Post date:** [25 October 2022 14:57 UTC](https://discourse.nodered.org/t/s7-node-not-connect-to-plc1200/69579/1 "2022-10-25T14:57:22Z")

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Hi all, I'm trying create an application to comunicate (write/read) input output and database values with siemens 1200. I put in attach some screenshot to show you the settings I put in tia portal and node-red. Thi ping from raspberry to plc1200 works but the connection is never established. Can someone help me find mistakes? many thanks in advance  
[immaginiS7\_PLC1200.pdf](https://discourse.nodered.org/uploads/short-url/i0kWM44U7TB3s4zxcoArzlIfUkC.pdf) (219.8 KB)

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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:** [24 December 2022 14:58 UTC](https://discourse.nodered.org/t/s7-node-not-connect-to-plc1200/69579/2 "2022-12-24T14:58:18Z")

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