National Instruments Xmath Interactive Control Design Module ICDM - Manual (Page 113)

Chapter 13 Multi-Loop Synthesis
Xmath Interactive Control Design Module 13-2 ni.com
Figure 13-1. Multi-Loop Main Window
After the Multi-Loop window is opened, two plots are added at the bottom
of the ICDM Main window for display of the loop gain magnitude and
phase of the control loops that will be synthesized with the Multi-Loop
method (refer to Figure 13-2).