Introduction

FFB pins (inputs and outputs) of the data type BOOL can be negated.

Negated pins are identified with a circle symbol:

NOTE: Negated pins must be connected with a graphical link or a variable. Open negated pins are not allowed.

Negating an FFB pin

FFB pins can be negated in the following ways:

  • Select the pin to be negated and execute the menu command Negate Pin in the shortcut menu (right-click).

    or

  • Launch the Inversion tool by clicking on the icon, then click on the pin to be negated.