User manual

Publication LOGIX-AP010B-EN-P - May 2010 95
Software Conversions Instructions Chapter 3
DUD - Convert a floating point number to a 32 bit fixed point format.
In RSLogix 5000 software, this functionality is achieved by defining a tag with
Data Type = REAL (as shown below) and transferring it to a tag with Data
Type = DINT by using the MOVE (MOV) instruction in ladder or the :=
instruction in Structured Text.
Floating Point to Integer
S5 RSLogix 5000
DD64 data_floatingpoint
DD78 data_word2
S5 Statement List
16 bit fixed point numbers
RSLogix 5000 Structured Text
LDD64
DUD
T DD78
SIMATIC S5 - Ladder
RSLogix 5000 - Ladder