Siemens CP 1243-8 IRC, Руководство по эксплуатации

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Configuration and operation
4.9 Access to the Web server
CP 1243-8 IRC
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Operating Instructions, 06/2015, C79000-G8976-C385-01
4.9 Access to the Web server
Access to the Web server of the CPU
The Web server of the S7-1200 station is located in the CPU. Via the LAN interface of the
CP, you have access to the Web server of the CPU.
Access using HTTPS: When there is secure access (HTTPS) to the Web server using the IP
address of the CP, the SSL certificate of the CPU is displayed.
4.10 Time stamp
Time stamp
The values of the data points are transferred by the CP with a time stamp. The time stamp is
coded in 2 double words. The exception is the half byte (nibble) with the time status.
The two double words have the following assignment:
Table 4- 6 Assignment of the two double words
Name of the double word Byte no. Content
High nibble Low nibble
RecTimeStamp_1 0 Year * 10 Year * 1
1 Month * 10 Month * 1
2 Day * 10 Day * 1
3 Hour * 10 Hour * 1
RecTimeStamp_2 0 Minute * 10 Minute * 1
1 Second * 10 Second * 1
2 Millisecond * 100 Millisecond * 10
3 Millisecond * 1 Time status
Table 4- 7 The assignment of the half byte with the time status (low nibble of byte 3 of Rec-
TimeStamp_2)
Bit No. Value Meaning
0 0 Time is invalid
1 Time is valid
1 0 Standard time
1 Daylight saving time
2
Not used
3
Not used