Rockwell Automation Allen-Bradley Logix 5000 User Manual

Chapter 1
Program a Function Block Diagram
28 Rockwell Automation Publication 1756-PM009G-EN-P - February 2018
4. Press Enter or click a different spot on the diagram.
You can assign a constant value instead of a tag value to an input parameter.
If you want to:
Then:
Make the value visible on the diagram and in
reports
Use an IREF on page 28
Change the value online without editing the
routine
Enter a Value in the Tag of a
Block on page 28
Complete these steps to assign a value to an IREF.
1. Add the IREF to the routine. For instructions on adding an element, see
Add a function block element on page 22
.
2. Wire the IREF to the input pin that gets the value. For instructions on
wiring elements together, see Wire elements together on page 25
.
3. Double-click the operand area of the IREF.
4. In the box, type the value and press Enter.
Complete these steps to assign a value to a parameter when on wire connects
to its pin.
1. In the block, click Properties .
2. On the Parameters tab, in the Value box of the desired parameter,
type the value.
3. Click OK.
Assign an
immediate value
(constant)
Use an IREF
Enter a value in the tag
of a block

Rockwell Automation Allen-Bradley Logix 5000 Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley Logix 5000
Category	Controller
Language	English