# MappCockpit: PLC refuses to connect to MappCockpit, but works in simulation

**URL:** <https://community.br-automation.com/t/mappcockpit-plc-refuses-to-connect-to-mappcockpit-but-works-in-simulation/11212>\
**Category:** B&R Software & Runtime\
**Tags:** mapp-cockpit\
**Created:** [May 11, 2026, 1:44pm UTC](https://community.br-automation.com/t/mappcockpit-plc-refuses-to-connect-to-mappcockpit-but-works-in-simulation/11212 "2026-05-11T13:44:55Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![valerio.manenti](https://dub1.discourse-cdn.com/brcommunity/user_avatar/community.br-automation.com/valerio.manenti/32/11712_2.png) [@valerio.manenti](https://community.br-automation.com/u/valerio.manenti)\
**Post date:** [May 11, 2026, 2:45pm UTC](https://community.br-automation.com/t/mappcockpit-plc-refuses-to-connect-to-mappcockpit-but-works-in-simulation/11212/5 "2026-05-11T14:45:23Z")

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ok, couple of ideas, we start with first one:  
[mappCockpit not loading - Ask Questions / HMI & Visualization - B&R Community](https://community.br-automation.com/t/mappcockpit-not-loading/10088)

 ![image](https://europe1.discourse-cdn.com/brcommunity/original/2X/1/15a3e794a8ca86d881f87239275406a2ae9cc289.png)

Ciao  
Valerio

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