O'Reilly logo

Instant PLC Programming with RSLogix 5000 by Austin Scott

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Building Functional Block Diagrams (Simple)

In this recipe, we will demonstrate how to use powerful Functional Block Diagrams (FBD) in your PLC program. We will create a simple digital alarm block routine using FBDs to manage our valve fault condition FC1001_FLT.

Getting ready

To complete this recipe, you should have completed the previous exercises.

How to do it...

  1. Open the Controller Organizer window and expand the tree Tasks | Main Tasks | Main Program. Right-click and select New Routine.
  2. Configure a new FBD routine by setting the following values:
    • Name: DIGITAL_ALARMS
    • Description: Digital Alarms
    • Type: Function Block Diagrams
  3. In order that our newly created routine executes with each scan of the PLC, we will need to add a reference to it in MainRoutine ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required