Siemens SIMATIC S7-200 - Examples of Real Math Instructions for Simatic LAD, STL, and FBD

SIMATIC Instructions
9-84
S7-200 Programmable Controller System Manual
A5E00066097-02
Math Examples
NETWORK 1
LD I0.0
+R AC1, AC0
*R AC1, VD100
/R VD10, VD200
Network 1
LAD STL
I0.0
Application
OUT
ADD_R
EN
IN1
IN2
OUT
OUT
MUL_R
EN
IN1
IN2
OUT
OUT
DIV_R
EN
IN1
IN2
OUT
AC1
AC0
AC1
VD100
VD100
VD10
AC0
VD100
VD200
AC1
4000.0
AC0
6000.0
AC0
10000.0
plus
equals
AC1 400.00
200.0
800000.0
multiplied by
equals
VD100
VD100
4000.0
41.0
97.5609
divided by
equals
VD10
VD200
VD200
Add Multiply Divide
FBD
Network 1
OUT
ADD_R
EN
IN1
IN2
OUTAC1
AC0
AC0
I0.0
OUT
MUL_R
EN
IN1
IN2
OUT
AC1
VD100
VD100
OUT
DIV_R
EN
IN1
IN2
OUTVD100
VD10
VD200
ENO
ENO
ENO
ENO ENO ENO
Figure 9-27 Examples of Real Math Instructions for SIMATIC LAD, STL, and FBD