How to create SYSTEM FUNCTION BLOCKS (SFBs) in Siemens STEP7 Professional!
Last week, we looked at Siemens Counters in STEP7 Professional and why we don't use them, so today we're going to be taking a look at System Function Blocks, more specifically the IEC Timers and Counters that Siemens have created that we are all used to using in TIA Portal!
01:30 - OB1 and System Function Blocks
03:15 - System Function Block Counters (SFB CTU IEC_TC)
07:10 - Function Block in OB1
10:55 - Data Block(1) Monitoring
13:35 - Adding a Second Data Block
16:00 - System Function Block Timers (SFB TON IEC_TC)
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