Allen-Bradley Micro800

Arithmetic instructions Chapter 5
Rockwell Automation Publication 2080-RM001D-EN-E - February 2015 101
Subtraction subtracts an Integer, Real, or Time value from another Integer, Real
or Time value.
Arguments
Parameter
Parameter
Type
Data Type Description
EN Input BOOL Function enable.
When Enable = TRUE, execute current addition computation.
When Enable= FALSE, there is no computation.
Applies only to LD programs.
i1 Input SINT - USINT - BYTE - INT - UINT -
WORD - DINT - UDINT - DWORD -
LINT - ULINT - LWORD - REAL -
LREAL - TIME
Minuend in any Integer, Real or Time data type.
All inputs must be the same data type.
i2 Input SINT - USINT - BYTE - INT - UINT -
WORD - DINT - UDINT - DWORD -
LINT - ULINT - LWORD - REAL -
LREAL - TIME
Subtrahend in any Integer, Real or Time data type.
All inputs must be the same data type.
o1 Output SINT - USINT - BYTE - INT - UINT -
WORD - DINT - UDINT - DWORD -
LINT - ULINT - LWORD - REAL -
LREAL - TIME
Difference of the minuend and the subtrahend in any Integer, Real or Time
data type.
Output must be the same data type as inputs.
ENO Output BOOL Enable out.
Applies only to LD programs.
Example
(* ST equivalence: *)
ao10 := ai101 - ai102;
ao5 := (ai51 - 1) - ai53;
Subtraction