S7-400 Automation System, CPU Specifications
Manual, 10/2006, 6ES7498-8AA04-8BA0
3-1
Special functions of a CPU 41x
3
3.1 Web Server
Reading Out Information About the Web Server
The web server can be used to read the following information out of the CPU:
● Start page with general CPU information
– Module name
– Module type
– Hardware order number
– Hardware release version
– Firmware release version
– Plant identifier
– Mode
– Status
– Mode selector switch setting
● Contents of the diagnostics buffer
● Messages (message state ALARM_S, ALARM_SQ, ALARM_D, ALARM_DQ) without
acknowledgement possibility
● Information about Industrial Ethernet
– Ethernet MAC address
– IP address
– IP subnet address
– Default router
– Auto Negotiation Mode ON/OFF
– Number of packages sent/received
– Number of faulty packages sent/received
– 10 Mbps or 100 Mbps full duplex
– Link status
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