3rt841b Firmware Upd -
Firmware updates for these devices are rarely published (perhaps once every 2-3 years). When available, they address:
Do not update if the device is working perfectly in a 24/7 production line. Only update to solve a documented issue or to enable a mandatory new safety feature. 3rt841b firmware upd
The mechanical contactor block (3RT841B) itself does not have firmware. You are likely trying to update one of these two components: Monitor for error codes (see manual, Section 9)
Ensure TIA Portal V15.1 or newer is installed, along with Startdrive V15.1 or higher. Without the correct HSP (Hardware Support Package), the 3RT841B may not be recognized. Firmware updates for these devices are rarely published
After reaching 100%, the device reboots automatically. Wait 30 seconds. Then:
