Greater than (GT) symbol

Also called GRT, GT compare, Greater than comparison

Compares IN1 and IN2 and passes power when IN1 > IN2 (greater than). Allen-Bradley calls it GRT.

Greater than (GT) symbol, IEC 61131-3 ladder diagramIEC 61131-3

What the greater than (GT) symbol means

Compares IN1 and IN2 and passes power when IN1 > IN2 (greater than). Allen-Bradley calls it GRT.

How it is drawn

IEC 61131-3 ladder diagram

GT function. A box marked GT with inputs IN1 and IN2.

LD SVG

Where you see it

Acting on values: a level above a set point, a count reached, a recipe step selected.

Frequently asked questions

What does the greater than (GT) symbol look like?

A box marked GT with inputs IN1 and IN2.

Where is a greater than (GT) used?

Acting on values: a level above a set point, a count reached, a recipe step selected.

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