Siemens SIMATIC S7-1200

A5E33284667-AA Page 14
Extended instructions
Basic instructions
Communication
Technology
S7-300
S7-400
S7-1200 S7-1500
Description LAD/FBD
STL
(not S7-1200)
SCL
✔
✔
✔
Count up
-(CU)
-[CU]
CU
nn
✔
✔
✔
Count down
-(CD)
-[CD]
CD
nn
✔
✔
✔
Enable counter
FR
nn
✔
✔
✔
Load counter value
L
nn
✔
✔
✔
Load BCD-coded counter value
LC
nn
✔
✔
✔
Reset counter
R
nn
✔
✔
✔
Set counter
S
nn
Comparator operations
✔
✔
✔
✔
Equal
CMP ==
== I/D/R
=
✔
✔
✔
✔
Not equal
CMP <>
<> I/D/R
<>
✔
✔
✔
✔
Greater than or equal
CMP >=
>= I/D/R
>=
✔
✔
✔
✔
Less than or equal
CMP <=
<= I/D/R
<=
✔
✔
✔
✔
Greater than
CMP >
> I/D/R
>
✔
✔
✔
✔
Less than
CMP <
< I/D/R
<
✔
✔
Value within range
IN_RANGE
nn
✔
✔
Value outside range
OUT_RANGE
nn