Siemens Industry Online Support
Siemens AG
Entry type: Product note Entry ID: 109744924, Entry date: 02/06/2017

Sales and Delivery Release of the CM 1542-1 V2.0.

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The new firmware V2.0 for the product CM 1542-1 (6GK7542-1AX00-0XE0) has been released. The firmware is now available for download free of charge. The module is scheduled for delivery as of the end of February 2017 with the new firmware.


CM 1542-1 can only be configured as a component of the SIMATIC S7-1500 system with STEP 7 Professional (TIA Portal) as of V13.

CM 1542-1 V2.0 must be configured with TIA Portal V14 for use of the new functions.

Firmware version V2.0

Firmware V2.0 contains new functions and product improvements concerning general operation of the module in the S7-1500 system. Therefore, performing an upgrade using a free firmware update is generally expedient and is recommended.

New functions

  • PN IO device

  • Static IP routing to other CM 1542-1 V2.0/ CP 1543-1 V2.0 in the system (IPv4)

  • Support of the series machine case with machine and address tailoring.

Third-party software - license conditions and copyright notes

You can find the copyright notes on the third-party software, especially open source software, contained in this product as well as applicable license conditions for this type of third-party software in the readme file.

Special note for resellers

The information and the license conditions in the readme file must be passed on to the purchasing party to avoid license infringements by the reseller or purchasing party.

OSS_CM15421_86.pdf (4.0 MB)

You can download the file here:

Registrierung notwendig 6GK7_542-1AX00-0XE0_V02p00p29.zip (9.0 MB)

Note: We recommend installing the firmware update exclusively by using the CPU memory card because interruptions may occur during an update over the TIA Portal after which operation of the module will no longer be possible. Please also read the information about the firmware update from the memory card in the system manual of the SIMATIC S7-1500 system.

Security information
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