Rockwell-automation Logix5000 Controllers I/O and Tag Data Programming Manual do Utilizador descarregar pdf (Página 56)

Chapter 3 Force I/O

Disable or remove a force

To stop the effect of a force and let your project execute as programmed, disable or

remove the force.

• You can disable or remove I/O and SFC forces at the same time or

separately.

• Removing a force on an alias tag also removes the force on the base tag.

ATTENTION:

Changes to forces can cause unexpected machine motion that could injure personnel. Before you

disable or remove forces, determine how the change affects your machine or process and keep personnel away

from the machine area.

Before you use a force, determine the status of forces for the controller. You can

check force status.

To determine status Use any of the following

I/O forces

• Online toolbar

• FORCE status indicator

• GSV instruction

SFC forces Online toolbar

The Online toolbar shows the status of forces. It shows the status of I/O forces

and SFC forces separately.

This Means

Enable d

• If the project contains any forces of this type, they are overriding your logic.

• If you add a force of this type, the new force immediately takes effect

Disabled Forces of this type are inactive. If the project contains any forces of this type, they

are not overriding your logic.

Installed At least one force of this type exists in the project.

None Installed No forces of this type exist in the project.

Check force status

56 Rockwell Automation Publication 1756-PM004E-EN-P - October 2014

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Rockwell-automation Logix5000 Controllers I/O and Tag Data Programming Manual do Utilizador Página 56