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Preface
Abbreviations and reference to the module version
• CM / module / device
These terms are used in the following instead of the complete product designation. In this
case, the information applies equally to both firmware versions or hardware product
versions of the module.
If the data of the two devices differs, the firmware version or the hardware version of the
respective device is explicitly stated.
• STEP 7
The name STEP 7 is used to mean the STEP 7 Professional configuration tool.
Address label: Unique MAC address preset for the CM
When supplied, the CM has a total of 3 default MAC addresses with the following assignment:
• PROFINET interface
The MAC address of the PROFINET interface is printed on the enclosure.
(Visible in STEP 7 for "Accessible devices")
• One MAC address for each of the 2 Ethernet ports of the PROFINET interface
The MAC addresses of the Ethernet ports are required only for detection and evaluation of
neighborhood and topology relations (LLDP).
Purpose of the manual
This manual supplements the S7-1500 system manual.
With the information in this manual and the system manual, you will be able to commission
the CM.
New in this edition
• New module with new article number, see above.
• New firmware versions, with the following functions among others:
– Safety-related product improvements, see section Security information (Page 13).
– CM 1542-1 (6GK7 542-1AX10-0XE0, firmware version V4.0):
• New approvals: CCC / UKEX
• Editorial revision
Replaced edition
Edition 07/2019
4
Enabling/disabling SNMP via data record; see section Disabling SNMP via data record
(Page 42).
Operating Instructions, 04/2023, C79000-G8976-C355-05
SIMATIC CM 1542-1
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