L9E_MULFP: Floating Point Multiplication
(Original Document)
About us
Naming
Name in LL984 Editor
Function Block Name
name of legacy 984 instruction
name in other tools and editors like:
  • Type Library Browser
  • Data Editor
  • Animation Tables
  • Search Results
Function Description
The L9E_MULFP DFB multiplies a floating point operand 1 by a floating point operand 2 and stores the result in an array.
Representation
Parameters
Input Pin
Name
Data Type
Address Range
Meaning
Top
ENABLE
BOOL
–
ON = initiates floating point multiplication
Node
Node Type
Name
Data Type
Address Range
Meaning
Top
IN
VALUE1
ARRAY[1...2] OF UINT
%MW
floating point value 1
VALUE1 stores the floating point value 1 in the multiplication operation.
Middle
IN/OUT
RESULT
ARRAY[1...4] OF UINT
%MW
floating point value 2 and product
The floating point value 2 in the multiplication operation is stored in word 1 and 2.
The product of the multiplication is stored in word 3 and 4. The product is stored in floating point format.
Output Pin
Name
Data Type
Address Range
Meaning
Top
OUT
BOOL
–
ON = operation successful