Siemens SIMATIC S7-200 System Manual page 120

S7-200 Programmable Controller System Manual
Example: ASCII to Hexadecimal Instruction
'3' 'E'
33 45
VB30
Example: Integer to ASCII Instruction
12345
VW2
Example: Real to ASCII Instruction
123.45
VD2
106
'A'
3E
41
ATH
VB40
' ' ' ' '1'
20 20 31
ITA
VB10 VB11 ...
' ' ' '
20 20
RTA
VB10 VB11 ...
Network 1
LD I3.2
ATH VB30, VB40, 3
Ax
Note: The X indicates that the
"nibble" (half of a byte) is unchanged.
Network 1 //Convert the integer value at VW2
//to 8 ASCII characters starting at VB10,
//using a format of 16#0B
//(a comma for the decimal point,
//followed by 3 digits).
LD I2.3
ITA VW2, VB10, 16#0B
'2' ',' '3'
32 2C 33
Network 1 //Convert the real value at VD2
//to 10 ASCII characters starting at VB10,
//using a format of 16#A3
//(a period for the decimal point,
//followed by 3 digits).
LD I2.3
RTA VD2, VB10, 16#A3
' ' '1' '2' '3'
20 31 32 33
'4' '5'
34 35
'.' '4' '5' '0'
2E 34 35 30