Absolute Value Instruction - Siemens SIMATIC S7 System Manual

100BBasic instructions
7.5 Math
Table 7- 48 Data types for parameters
Parameter Data type
IN/OUT SInt, Int, DInt, USInt, UInt, UDInt
Table 7- 49 ENO status
ENO Description
1 No error
0 The resulting value is outside the valid number range of the selected data type.
Example for SInt: INC (+127) results in +128, which exceeds the data type maximum.
7.5.6

Absolute value instruction

Table 7- 50 ABS instruction
LAD / FBD SCL
out := ABS(in);
For LAD and FBD: Click the "???" and select a data type from the drop-down menu.
1
Table 7- 51 Data types for parameters
Parameter Data type
IN SInt, Int, DInt, Real, LReal
OUT SInt, Int, DInt, Real, LReal
The IN and OUT parameters must be the same data type.
1
Table 7- 52 ENO status
ENO Description
1 No error
0 The math operation result value is outside the valid number range of the selected data type.
Example for SInt: ABS (-128) results in +128 which exceeds the data type maximum.
190
Description
Calculates the absolute value of a signed integer or real number at parameter
IN and stores the result in parameter OUT.
1
Description
Math operation input and output
Description
Math operation input
Math operation output
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05