Multiple step responses on the same plot - control and simulation

[-Neel-]

Hello,

I am using CD Step Response VI to simulate the step response of simple control loops and then viewing it on a step response graph. 

Now I have two seperate control loops (transfer function) and would like to view the step responses of both loops on the same plot/graph.

I tried using "merge signal" and "bundle" but I am not able to wire it to the step response graph. 

Kindly request suggestions as to how I can solve this.

[Barp]

The function to 'merge' two graphs is 'build array'. Here is an example in how to do that:

Here are shipping examples that provide this operations:

C:\Program Files (x86)\National Instruments\LabVIEW 2015\examples\Control and Simulation\Control Design\Time Analysis\CDEx Effect of Controller Type.vi

C:\Program Files (x86)\National Instruments\LabVIEW 2015\examples\Control and Simulation\Control Design\Model Conversion\CDEx Discretizing a PID Controller.vi