# Upgrade from S4 to IRC5

**URL:** <https://tech-community.robotics.abb.com/t/upgrade-from-s4-to-irc5/6883>\
**Category:** Robot Controller\
**Created:** [November 6, 2015, 1:08pm UTC](https://tech-community.robotics.abb.com/t/upgrade-from-s4-to-irc5/6883 "2015-11-06T13:08:31Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![pacijent](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/pacijent/32/512_2.png) [@pacijent](https://tech-community.robotics.abb.com/u/pacijent)\
**Post date:** [November 6, 2015, 1:08pm UTC](https://tech-community.robotics.abb.com/t/upgrade-from-s4-to-irc5/6883/1 "2015-11-06T13:08:31Z")

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Hello to all, is it possible to upgrade sistem IRB 4400 from S4 to IRC5, and if possible what steps do we have to do. Thanks in advance.

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**Author:** ![Iowan](https://avatars.discourse-cdn.com/v4/letter/i/eada6e/32.png) [@Iowan](https://tech-community.robotics.abb.com/u/Iowan)\
**Post date:** [November 6, 2015, 8:24pm UTC](https://tech-community.robotics.abb.com/t/upgrade-from-s4-to-irc5/6883/2 "2015-11-06T20:24:41Z")

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We upgraded a 4400 system from S4C+ to IRC5 by replacing the controller cabinet.

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**Author:** ![pacijent](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/pacijent/32/512_2.png) [@pacijent](https://tech-community.robotics.abb.com/u/pacijent)\
**Post date:** [November 9, 2015, 2:13pm UTC](https://tech-community.robotics.abb.com/t/upgrade-from-s4-to-irc5/6883/3 "2015-11-09T14:13:30Z")

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Thanks for info Iowan.