12ć5 – Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual User Manual

Page 160

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Data Manipulation and

Comparison Instructions

Chapter 12

12-5

When YYY is less than 654, the Get/Less Than 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.

Keystrokes

Enter a Less Than instruction by performing the following steps.

1.

Press -[<]-.

2.

Enter <address>.

3.

Enter <reference value>.

Removing the Less Than Instruction

Remove a Less Than instruction by performing the following steps.

1.

Position the cursor over the Less Than instruction.

2.

Press [REMOVE] -[<]-.

Editing a Completed Rung

You can edit a Less Than instruction by performing the following steps.

1.

Position the cursor over the Less Than instruction.

2.

Press -[<]- or any other appropriate data comparison instruction.

3.

Enter <address>.

4.

Enter <reference value> if applicable.

The Limit Test checks to see if an octal value of a byte is between two
reference limit values that are also octal.

Limit Test

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