Comparator Operations - Siemens SIMATIC S7-1200 Reference Manual

Basic instructions
Count up
✔ ✔ ✔
Count down
✔ ✔ ✔
Enable counter
✔ ✔ ✔
Load counter value
✔ ✔ ✔
Load BCD-coded counter value
✔ ✔ ✔
Reset counter
✔ ✔ ✔
Set counter
✔ ✔ ✔

Comparator operations

✔ ✔ ✔ ✔
Equal
✔ ✔ ✔ ✔
Not equal
✔ ✔ ✔ ✔
Greater than or equal
✔ ✔ ✔ ✔
Less than or equal
✔ ✔ ✔ ✔
Greater than
✔ ✔ ✔ ✔
Less than
✔ ✔
Value within range
✔ ✔
Value outside range
A5E33284667-AA
Extended instructions
Description
Technology
LAD/FBD
(not S7-1200)
-(CU) -[CU]
-(CD) -[CD]
CMP ==
CMP <>
CMP >=
CMP <=
CMP >
CMP <
IN_RANGE
OUT_RANGE
Communication
STL
SCL
CU nn
CD nn
FR nn
L nn
LC nn
R nn
S nn
== I/D/R =
<> I/D/R <>
>= I/D/R >=
<= I/D/R <=
> I/D/R >
< I/D/R <
nn
nn
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