Reference Information; Locating The Ethernet (Mac) Address On The Cpu - Siemens SIMATIC S7 System Manual
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- System manual (866 pages) ,
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Parameter
General
End point: Partner
Interface
Subnet
Address
Connection type
Connection ID
Connection data
Active connection setup Radio button to select Local or Partner CPU as the active connection
Address details
Port (decimal)
7.5
Reference Information
7.5.1
Locating the Ethernet (MAC) address on the CPU
In PROFINET networking, a Media Access Control address (MAC address) is an identifier
assigned to adapter cards by the manufacturer for identification. A MAC address usually
encodes the manufacturer's registered identification number.
The standard (IEEE 802.3) format for printing MAC addresses in human-friendly form is six
groups of two hexadecimal digits, separated by hyphens (-) or colons (:), in transmission
order, (for example, 01-23-45-67-89-ab or 01:23:45:67:89:ab).
Note
Each CPU is loaded at the factory with a permanent, unique MAC address. You cannot
change the MAC address of a CPU.
The MAC address is printed on the front, lower-left corner of the CPU. Note that you have to
lift the lower TB doors to see the MAC address information.
S7-1200 Programmable controller
System Manual, 11/2009, A5E02486680-02
Definition
Name assigned to the partner (receiving) CPU
Name assigned to the interfaces
Name assigned to the subnets
Assigned IP Addresses
Type of Ethernet protocol
ID number
Local and Partner CPU data storage location
Local CPU Port in decimal format
PROFINET
7.5 Reference Information
233
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