FGEN problem - third analog output with ELVIS II - fgen, BANANA?

[Cuprum]

Hello,

I need third analog output on Elvis II, builded only in vi. I cant use any other DAQ or ELVIS boards or NI ELVISmx function generator application. It will be used for student exercise in laboratory. And waveform properties will be setup-able.

My first step was describe the options which can get me third analog output. Docent as my diploma mentor helps me with this.

We thought following:

1. Fgen with or without BNC connector.
2. BANANA A,B,C or D
3. 16+2 Digital outputs pins for Resistor ladder (same 16-bits as A0 & A1).

Is there way to generate analog output through FGEN signal in vi?

I tried that (as in attachment). I used NI-FGEN library, but I think its not suitable for ELVIS II.

Is there any option? Or should I use Banana pins (connectors)? Which library should I use for this?

Thank you for your help.