Rockwell Automation 1772-LS_LSP,D17726.8.6 PROG/OPER MANUAL-MINI PLC-2/05 - Manual (Page 79)

Data Manipulation Instructions
Chapter 9
9Ć4
Keystrokes: You enter an Equal To instruction by performing the
following steps.
1. Press -[=]-.
2. Enter <address>.
3. Enter <reference value> if appropriate.
Removing an Equal To Instruction
You remove an Equal To instruction by performing the following steps.
1. Position the cursor over the Equal To instruction you are going to remove.
2. Press [REMOVE] -[=]-.
Editing a Completed Rung
You edit an Equal To instruction by performing the following steps.
1. Position the cursor over the Equal To instruction you are going to edit.
2. Press -[=]- or any other appropriate instruction type key.
3. Enter <address>.
4. Enter <reference value> if appropriate.
Less Than
Purpose: The Less Than instruction compares the data in your specified address
with the data stored at another address in memory. It determines the rung
condition. Compares only the lower 12 bits to the immediately preceding
Get instruction.
Programmed after the Get instruction in the condition side of the ladder
diagram rung.
120
01
030
YYY
010
02
G
037
654
<
Reference Value
When YYY < 654, GET/LES comparison is true and 010/02 is energized.
The rung condition becomes:
True - If the get value is less than the reference value stored in the
Less Than instruction.
False - If the get value is equal to or greater than the less than value.