3rt841b Firmware 2021 !link! -
Here’s a general review of the Siemens 3RT841B firmware (2021 release) based on typical industrial user feedback and technical documentation. Note that the 3RT841B is an IO-Link communication module for Siemens SIRIUS 3RT contactors, not a standalone device with user-visible firmware like a smartphone.
Connectivity: Integrated Wi-Fi and Ethernet for smart features. 3rt841b firmware 2021
Cons:
- Communication glitches with Profibus DP and Profinet when using a 3RT841B in a motor starter combination.
- Parameter corruption in electronic overload relays when powered on under specific voltage dip conditions.
- IO-Link compatibility with newer PLC firmwares (TIA Portal V16/V17).