Rockwell-automation Logix5000 Controllers Add-on Instructions Programm Manuale Utente Scaricare il pdf (Pagina 55)

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

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Rockwell-automation Logix5000 Controllers Add-on Instructions Programm Manuale Utente Pagina 55