Why Real Time Clock of M580 is reset after power cycle? | Schneider Electric United Arab Emirates

How can we help you today?

Why Real Time Clock of M580 is reset after power cycle?

Issue :

Controller Real Time Clock (RTC) is lost when power up in Modicon M580

Product Range :

Modicon M580 BMEx58x0x0x : Software Version 4.20 and Product Version 28

Resolution :

Upgrade your controller firmware version to 4.40 or after in order to solve this behavior.

440_lostdate

Released for: Schneider Electric United Arab Emirates

Published on:30/12/2025Last Modified on:30/12/2025