Siemens SIMATIC ET 200M Operating Instructions Manual page 127

4. Insert the SIMATIC Micro Memory Card containing the update in the module slot.
5. Switch on the power.
– The IM 153-4 PN automatically detects the SIMATIC Micro Memory Card with the
– During the update the SF and the BF LEDs light up.
– After the update is concluded the BF LED flashes at 0.5 Hz.
6. Switch off the voltage to the IM 153-4 PN and remove the SIMATIC Micro Memory Card with
update.
7. Re-insert the SIMATIC Micro Memory Card containing the device name into the module slot
and then switch on the supply voltage.
Restart after update
Update via PROFINET IO
In the STEP 7 user interface, it is possible to set whether
• the IM 153-4 PN should automatically perform a reset after a successful update in order to
start up using the new firmware.
• The IM 153-4 PN must be reset by switching off the supply voltage. Then, when the supply
voltage is switched on again, the IM 153-4 PN will start up using the new firmware.
Update via SIMATIC Micro Memory Card
If the update was successful, the IM 153-4 PN starts up with the new firmware and is then
ready for operation.
Update unsuccessful
If the update fails, the next time the supply voltage is switched off and on the IM 153-4 PN
starts up with the current ("old") firmware.
ET 200M
Operating Instructions, 04/2022, EWA-4NEB7806006-09
update files and starts the update.
CAUTION
If the "activate firmware after download" field is checked there is a brief station failure of
the ET 200M. If no precautions have been taken for this case, then the update causes the
CPU (of the IO controller) to go to STOP mode due to a rack failure.
Maintenance and service
7.11 Saving data and updating the IM 153-4 PN
127