Siemens SIMATIC S7-300 Reference Manual page 26

Basic instructions
✔ ✔ ✔
Jump if the result is less than zero
✔ ✔ ✔
Jump if the result is greater than or equal to
zero
✔ ✔ ✔
Jump if the result is less than or equal to zero
✔ ✔ ✔
Jump if the result is invalid
✔ ✔ ✔
Loop
Data blocks
✔ ✔ ✔
Open data block in DB register
✔ ✔ ✔
Open data block in DI register
✔ ✔ ✔
Swap data block register
✔ ✔ ✔
Load the length of a global data block into
accumulator 1
✔ ✔ ✔
Load the number of a global data block into
accumulator 1
✔ ✔ ✔
Load the length of an instance data block into
accumulator 1
✔ ✔ ✔
Load the number of an instance data block
into accumulator 1
A5E33285102-AB
Extended instructions
Description
Technology
STL
LAD / FBD
(not S7-1200)
nn JM
nn JPZ
nn JMZ
nn JUO
nn LOOP
OPN
OPNI
CDB
L DBLG
L DBNO
L DILG
L DINO
Communication
SCL
nn
nn
nn
nn
nn
nn
nn
nn
nn
nn
nn
nn
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