Rockwell Automation Logix5000 Controllers Add-on Instructions Programming Manual - Manual (Page 72)

Chapter 2 Defining Add-On Instructions
The following image shows the Simulation example logic.
Ladder diagram configuration
In this example, the instruction simulates a deadtime and lag (first order) process.
The Simulation_DT_1st instruction reads the control variable from the PID
instruction. The PID instruction reads the SimOutput Parameter of the
Simulation_DT_1st instruction.
72 Rockwell Automation Publication 1756-PM010F-EN-P - October 2014