Specifications

SIMATIC Instructions
9-130
S7-200 Programmable Controller System Manual
C79000-G7076-C233-01
Convert Example
LAD STL
Network 1
LD I0.0
ITD C10, AC1
DTR AC1, VD0
MOVR VD0, VD8
*R VD4, VD8
ROUND VD8, VD12
Network 2
LD I3.0
BCDI AC0
I0.0
I_DI
EN
IN OUT
DI_R
EN
IN OUT
MUL_R
EN
IN1
IN2
OUT
ROUND
EN
IN OUT
C10 AC1
AC1 VD0
VD0
VD4
VD8
VD8 VD12
Clear accumulator 1.
Load counter value
(number of inches)
into AC1.
Convert to a real number.
Multiply by 2.54 to change
to centimeters.
Convert back to an integer.
FBD
101
VD0
C10
101.0
VD4 2.54
VD8 256.54
V12 257
Count = 101 inches
2.54 constant (inches to centimeters)
256.54 centimeters as real number
257 centimeters as integer
I3.0 BCD_I
EN
IN OUTAC0 AC0
1234
BCDI
AC0
04D2AC0
Double Word Integer to Real and Round BCD to Integer
Application
ENO
ENO
ENO
ENO
ENO
I0.0
I_DI
EN
IN OUTC10 AC1
ENO
DI_R
EN
IN OUTAC1 VD0
ENO
MUL_R
EN
IN1
IN2
OUT
VD0
VD4
VD8
ENO
ROUND
EN
IN OUTVD8 VD12
ENO
BCD_I
EN
IN OUTAC0 AC0
ENO
Network 2
Network 1
I3.0
Network 1
Network 2
Figure 9-42 Example of Conversion Instructions