Siemens SIMATIC S7-1200 Reference Manual page 25

Basic instructions
Create ones complement double integer (32
✔ ✔ ✔
bit)
S7-1500: Conversion also done implicitly
✔ ✔ ✔
Negate integer (16 bit)
✔ ✔ ✔
Negate integer (32 bit)
✔ ✔ ✔
Negate floating-point number
✔ ✔ ✔
Switch bytes in the right word of accumulator 1
✔ ✔ ✔
Switch all bytes in accumulator 1
Variant instructions
✔ ✔
Convert VARIANT to DB_ANY
✔ ✔
Convert DB_ANY to VARIANT
Legacy
Recommendation: Symbolic programming
Convert the integer to a floating-point number
✔ ✔ ✔ ✔
scaled in physical units between a low limit and
high limit (scaling).
A5E33284667-AA
Extended instructions
Description
Technology
STL
LAD/FBD
(not S7-1200)
nn INVD
nn NEGI
nn NEGD
nn NEGR
nn CAW
nn CAD
VARIANT_TO_DB_ANY
DB_ANY_TO_VARIANT
SCALE
Communication
SCL
nn
nn
nn
nn
nn
nn
SCALE
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