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Rockwell Automation Logix5000 Controllers Add-on Instructions Programming Manual User Manual

Page 55

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Defining Add-On Instructions

Chapter 2

• Values are passed to Input parameters from their arguments in the

instruction call.

• Values are passed out of Output parameters from their arguments in the

instruction call.

If the EnableInFalse routine is not enabled, the only action performed for the
Add-On Instruction in the false condition is that the values are passed to any

required Input parameters in ladder logic.

Follow these steps to create an EnableInFalse routine. For more information on

other scan mode instructions, see

Prescan routine

on

page

51

and

Postscan routine

on

page

53

.

1. In the Controller Organizer, right-click an instruction and select Open

Definition.

2. Click the Scan Modes tab.

3. Click New on EnableInFalse routine.

Rock well Automati on Publication 1756- PM010F-EN-P - Oct ober 2014

55