Network 7
The ID parameter is an IN/OUT type. First you indicate the ID value of the existing data log
whose structure you want to copy. After the "DataLogNewFile" instruction has been
executed, a new and unique ID value for the new data log is written back into the address of
the ID reference. The required detection DONE bit = TRUE is not shown. An example for the
logic of the DONE bit can be found in networks 1, 2 and 4.
Figure 3-11
Network 7
The data logs created in the example program can be found on the CPU Web server's
standard "File browser" Web page in the "\datalogs" folder.
The following figure shows the standard Web page of the Web server using the example of
the CPU 1516-3 PN/DP.
Figure 3-12
Structure and Use of the CPU Memory
Function Manual, 10/2018, A5E03461664-AC
Standard "File browser" web page of the Web server
Memory usage and application examples
3.2 Memory usage for data logging
51