# UR5E and 1212C communicate via PROFINET

**URL:** <https://forum.universal-robots.com/t/ur5e-and-1212c-communicate-via-profinet/41978>\
**Category:** Robot Communication\
**Created:** [December 11, 2025, 4:29am UTC](https://forum.universal-robots.com/t/ur5e-and-1212c-communicate-via-profinet/41978 "2025-12-11T04:29:52Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![2287673486](https://avatars.discourse-cdn.com/v4/letter/2/c4cdca/32.png) [@2287673486](https://forum.universal-robots.com/u/2287673486)\
**Post date:** [December 11, 2025, 4:29am UTC](https://forum.universal-robots.com/t/ur5e-and-1212c-communicate-via-profinet/41978/1 "2025-12-11T04:29:52Z")

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UR5E and 1212C communicate via PROFINET. According to the configuration instructions in the manual, the PLC is unable to establish a connection with the manipulator. What could be the problem here?

 ![屏幕截图 2025-12-11 115753](https://us1.discourse-cdn.com/flex020/uploads/universal_robots/original/2X/0/09cdb580c6ab4c99a150c50d258b3b629ad44a64.png)