MESA 7i76 connect to VFD

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3 years 8 months ago #263774 by garrettmin
Replied by garrettmin on topic MESA 7i76 connect to VFD
7I76 ENA / DIR
VFD9600 X5&X6 = HIGH SPEED PULSE INPUT TERMINALS
IF 7i76 ENA/DIR = OPTO PULSE
THEN VFD9600 = 30: Pulse input (enabled only for X5/X6)
ELSE 6 SPINDLE ENA+ = 1: Forward RUN (FWD)
AND 8 SPINDLE DIR+ = DISCONNECTED OR 2: Reverse RUN (REV)


7I76 10v Potentiometer
1 SPINDLE 10V - POT LOW = ACOM
2 SPINDLE OUT POT FLOAT = A1 @ A INPUT
3 SPINDLE 10V+ POT HIGH = AM @ A OUTPUT

VFD9600:
A1 = MY GUESS IS
#2 A1 = Main Frequency source X Selection
#2 A1 = Binding Command Source to Frequency Source

P0-03 Main frequency source X selection
0: Digital setting (non-retentive at power failure)
1: Digital setting (retentive at power failure)
2: AI1 (The factory default is the panel potentiometer, which can be switched by jumper J9)
3: AI2
4: AI3
5: Pulse setting (X5/X6)
6: Multi-reference
7: Simple PLC
8: PID
9: Communication setting

P0-27 Binding command source to frequency source
0: No binding
1: Frequency source by digital setting
2: AI1
3: AI2
4: AI3
5: Pulse setting (X5/X6)
6: Multi-reference
7: Simple PLC
8: PID
9: Communication setting

AM = MY GUESS IS #5 = OUTPUT VOLTAGE
P5-07 AM FUNCTION SELECTION
0 = RUNNING FREQUENCY
1 = SET FREQUENCY
5 = OUTPUT VOLTAGE
15 = OUTPUT VOLTAGE

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3 years 8 months ago #263778 by PCW
Replied by PCW on topic MESA 7i76 connect to VFD
You may have to experiment with the modes to see if
there is a way to do ENA/DIR (RUN/DIR) vs FWD/REV

function 10 (run Pause?) _may_ be equivalent to run
There does not seem to be any description of the modes
in the manual unfortunately

Do you need reverse?

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3 years 8 months ago - 3 years 8 months ago #263859 by garrettmin
Replied by garrettmin on topic MESA 7i76 connect to VFD
Reverse, sure why not.

Success.  Spindle turns and RPM is responsive with S300, S4500 & S10000. 
Tuning from here on out thanks! 
 
Last edit: 3 years 8 months ago by garrettmin.

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