Quote Originally Posted by Ger21 View Post
....The problem is that your VFD is giving you the wrong frequency.
2.42Volts on the analog input should be roughly 100Hz (96.8).
Just to clarify the 2.42v is from the G540 terminals T7/T8 (ACM or ground & Vout). The VFD sends to G540 throught terminal +10V and ACM 9.88v