Siemens SIMATIC S7-300 Reference Manual page 24

Basic instructions
Program control operations
✔ ✔ ✔ ✔ Run conditionally
✔ ✔ ✔ ✔ Branch conditionally
✔ ✔ ✔ ✔ Branch conditionally multiple times
✔ ✔ ✔ ✔ Create multiway branch, execute conditionally
✔ ✔ ✔ ✔ Run in counting loop
✔ ✔ ✔ ✔ Run in counting loop with step width
✔ ✔ ✔ ✔ Run if condition is met
✔ ✔ ✔ ✔ Run if condition is not met
✔ ✔ ✔ ✔ Recheck loop condition
✔ ✔ ✔ ✔ Exit loop immediately
✔ ✔ ✔ ✔ Exit block
✔ ✔ ✔ Conditional block end
✔ ✔ ✔ ✔ Inserting a comment section
✔ Only SIMATIC S7-1500 Software Controller
CPU 150xS: Shut down or restart Windows
and the controller
A5E33285102-AB
Extended instructions
Description
Technology
STL
LAD / FBD
(not S7-1200)
RET BEU
BEC
SHUT_DWN
Communication
SCL
IF... THEN...
IF... THEN...
ELSE...
IF... THEN...
ELSIF...
CASE... OF...
FOR... TO... DO...
FOR... TO... BY...
DO...
WHILE... DO...
REPEAT...
UNTIL...
CONTINUE
EXIT
RETURN
nn
// //, (*...*)
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