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How can you set the module time of an S7-1200 CPU with the DCF77 radio clock module?
#1
Description
For some applications in plant and process automation it might be necessary to always know the current date and the exact time. You can use the SIPLUS DCF77 radio clock module for this.
[عکس: 63628396_DCF_with_S7_1200_01.png]
Fig. 01
The STEP 7 (TIA Portal) V11 library attached in this entry for downloading includes the "DCF_with_S7_1200" function block. This block receives and decodes the signal of a SIPLUS DCF77 radio clock module. The module time of the S7-1200 CPU is then synchronized with the data received.
Download
The download includes the "DCF_with_S7_1200.zip" project.
Copy the "DCF_with_S7_1200.zip" file into a separate directory and then start the file with a double-click. You can then use STEP 7 to open and process the extracted project.
Note
The download includes a global STEP 7 (TIA) V11 library. Follow the instructions in the STEP 7 (TIA Portal) V11 Online Help for opening and processing this library.
[عکس: disk_35.gif] DCF_with_S7_1200.zip( 606 KB )
[عکس: AcrobatMiddle.jpg]DCF_with_S7_1200_en.pdf( 297 KB )

Creation environment
The screens and downloads in this FAQ response were created with STEP 7 Professional V11 SP2 Update 4.
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