# Can't connect Siemens LOGO! PLC to UR3e

**URL:** <https://forum.universal-robots.com/t/cant-connect-siemens-logo-plc-to-ur3e/21278>\
**Category:** URScript\
**Created:** [May 12, 2022, 4:32pm UTC](https://forum.universal-robots.com/t/cant-connect-siemens-logo-plc-to-ur3e/21278 "2022-05-12T16:32:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![anon43996473](https://avatars.discourse-cdn.com/v4/letter/a/ecccb3/32.png) [@anon43996473](https://forum.universal-robots.com/u/anon43996473)\
**Post date:** [May 12, 2022, 4:32pm UTC](https://forum.universal-robots.com/t/cant-connect-siemens-logo-plc-to-ur3e/21278/1 "2022-05-12T16:32:23Z")

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I am trying to connect my Siemens LOGO PLC to UR3e via Modbus, but getting Connection status: no route to server.

The IPs are under the same subnet. What might be the issue?

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**Author:** ![dasa](https://avatars.discourse-cdn.com/v4/letter/d/41988e/32.png) [@dasa](https://forum.universal-robots.com/u/dasa)\
**Post date:** [September 11, 2023, 7:33am UTC](https://forum.universal-robots.com/t/cant-connect-siemens-logo-plc-to-ur3e/21278/2 "2023-09-11T07:33:00Z")

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please find my example here with a complete documentation.  
this one will hopefully explain everthing.

> [@UR - Siemens Logo example and Documentation](https://forum.universal-robots.com/t/ur-siemens-logo-example-and-documentation/30346):
>
> Hello all, there is many of you asking yourself how to get Siemens Logo with UR connected. I have created for all of you a simple documentation: how to use Siemens Logo soft comfort connect with UR how to use Logo as Modbus Server with UR how to use UR as Modbus Server and Logo as Client how to use UR Modbus Register Please find the documentation and the example project at my Github repo.