Maintenance
9.2 Firmware update
Distributed I/O system
94
System Manual, 08/2021, A5E31861578-AJ
9.2
Firmware update
Introduction
During operation, it can become necessary to update the firmware (e.g. for function
extensions).
Firmware updates are used to update the firmware of the interface module and I/O modules.
Note
Temporary bus interruption
When you perform a firmware update of an ET 200AL I/O module, then the ET-Connection is
temporarily interrupted due to the restart of I/O module. All downstream ET 200AL I/O
modules report a pull/plug interrupt.
Options for the firmware update
You have the following options to running a firmware update:
•
Online via STEP 7, as of V5.5
1
•
Online with STEP 7, TIA Portal V13 or higher
•
Embedded web server running on a SIMATIC CPU or a SIMATIC F-CPU with fail-safe
modules.
•
SIMATIC Automation Tool (SAT)
1)
Not for use with fail-safe ET 200AL I/O modules
Reference
You can find additional information on the procedure in the FAQs on the Internet
https://support.industry.siemens.com/cs/ww/en/view/88778936
) and in the online help for
STEP 7.
Summary of Contents for SIMATIC ET 200AL
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