Siemens SIMATIC S7-1200 Reference Manual

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Extended instructions
Basic instructions
Communication
Technology
S7-300
S7-400
S7-1200 S7-1500
Description LAD/FBD
STL
(not S7-1200)
SCL
Bit logic operations
✔
✔
✔
✔
AND logic operation
✔
&
O
&
✔
✔
✔
✔
OR logic operation
✔
>=1
O
OR
✔
✔
✔
✔
EXCLUSIVE OR logic operation
✔
X
X
XOR
✔
✔
✔
✔
Assignment
-( )-
-[=]
=
:=
✔
✔
Negate assignment
-(/)-
-[/=]
NOT
✔
✔
✔
✔
Reset output
-(R)
-[R]
R
nn
✔
✔
✔
✔
Set output
-(S)
-[S]
S
nn
(✔)
✔ ✔
Set bit field
S7-400: SFC 79 SET
SET_BF
nn
nn
(✔)
✔ ✔
Reset bit field
S7-400: SFC 89 RSET
RESET_BF nn nn
✔
✔
✔
✔
Set/reset flip-flop
SR
nn
nn
✔
✔
✔
✔
Reset/set flip-flop
RS
nn
nn
✔ ✔ ✔ ✔
Scan operand for positive signal edge
-|P|-
<Operand>;
FP;
nn
✔ ✔ ✔ ✔
Scan operand for negative signal edge
-|N|-
<Operand>;
FN;
nn
✔
✔
Set operand on positive signal edge
-(P)-
R_TRIG
✔
✔
Set operand on negative signal edge
-(N)-
F_TRIG

Siemens SIMATIC S7-1200 Specifications

General

CPU Type	CPU 1211C, CPU 1212C, CPU 1214C, CPU 1215C, CPU 1217C
Communication	PROFINET
Analog Inputs	2
Analog Outputs	2
Power Supply	24V DC
Expansion Modules	Signal Modules (SM), Communication Modules (CM)
Programming Languages	LAD, FBD, SCL
Dimensions	90 mm x 100 mm x 75 mm
Program Memory	50 KB to 150 KB (depending on model)