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4
4-37GFK-0804B Chapter 4 The Micro PLC Instruction Set
Programming Software Instructions
Select Compare (F6), then use the assigned function key(s) to select a Compare function:
= .EQ. (F1) Equal
, .NE. (F2) Not Equal
> .GT. (F3) Greater Than
< .LT. (F4) Less Than
> .GE. (F5) Greater Than or Equal
< .LE. (F6) Less Than or Equal
1. Enter the first value to be compared. It can be a constant or the contents of a
register. Then press the Enter key.
2. Enter the second value to be compared. This also can be a constant or the contents
of a register. Press the Enter key.
3. Press Enter to add the function to the program.
Compare functions often are used in combination with output coils as shown below.
In this example, Output O022 is turned on when the content of register R009 is not equal
to the constant 10.