This FAQ contains the necessary parameter settings for using a multi-function (digital) input to switch between two analog input references.  This operation is common to industries utilizing Hand-Off-Auto (HOA) or selector switches.  This document covers the G100, S100, iS7, and H100 VFDs. 

Note: The setup procedures listed below apply to VFDs that are NOT running the VFD’s internal PID process.

G100/S100

1. Set the desired digital input (IN 65 - 69) to setting 15 (2^nd Source).
   
2. Set the 2^nd Frequency source in bA/BAS 05.
   
3. Set bA/BAS 04 to the same setting as dr/DRV 06. This will make the switch only toggle between the two reference sources.
   

1. Set the desired digital input (IN 65 - 72) to setting 15 (2^nd Source).
2. Set the 2^nd Frequency source in BAS 05.
3. Set BAS 04 to the same setting as DRV 06. This will make the switch only toggle between the two reference sources while keeping the run command the same.

H100

1. Set the desired digital input (IN 65 - 71) to setting 17 (2^nd Source).
   
2. Set the 2^nd Frequency source in BAS 05.
   
3. Set BAS 04 to the same setting as DRV 06. This will make the switch only toggle between the two reference sources while keeping the run command the same.

 G100 You-Tube Video:

 https://www.youtube.com/watch?v=VuSWfbA0I2Y