Step7 Basic operations, program blocks - DCE FEL ČVUT v Praze
Step7 Basic operations, program blocks - DCE FEL ČVUT v Praze
Step7 Basic operations, program blocks - DCE FEL ČVUT v Praze
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Connecting timers<br />
• Timer state –the timer can be used in logical <strong>operations</strong><br />
• How do we do a pulse generator?<br />
Counters<br />
• Special memory area –C<br />
• Count value in BCD<br />
• Counter state as a bit<br />
• Counter types<br />
• S_CU –not really useful<br />
• S_CD –much better<br />
• S_CUD<br />
• Be careful not to set the counter with a non‐BCD value<br />
<strong>Step7</strong> timers<br />
<strong>Step7</strong> counters<br />
3.10.2012<br />
5
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