Rockwell Automation 1772-LS_LSP,D17726.8.6 PROG/OPER MANUAL-MINI PLC-2/05 - Manual (Page 84)

Data Manipulation Instructions
Chapter 9
9Ć9
Greater Than
Purpose: A greater than comparison is also made with the Get/Les pair of
instructions. This time the Get instruction BCD value is the reference and the
Les instruction BCD value is the changing value. The Les value is compared
with to the Get value for a greater than condition. When the Les value is greater
than the Get value, the comparison is true and logic continuity is established.
120
03
030
YYY
010
02
G
010
000
<
Reference Value
When YYY > 100, GET/LES comparison is true and 010/02 is energized.
Keystrokes: You enter a greater than comparison by performing the
following steps.
1. Press -[G]-.
2. Enter
3. Enter .
4. Press -[<]-.
5. Enter
6. Enter .
Editing the Operation
See the editing for the Get and Less instructions
Equal To or Greater Than
Purpose: This comparison is made using the Get, Les, Equ and branching
instructions. The Get value is assigned a reference value. The Les and Equ
values are changing and are compared to the Get value. When the Les and Equ
values are greater than or equal to the Get value, the comparison is true and
logic continuity is established.
120
05
030
440
010
02
G
042
YYY
<
When YYY 440, GET/LESĆEQU comparison is true and 010/04 is energized.
042
YYY
=
Reference Value