Compatible VFD for JGL100-30-24Z 3.7 kW Spindle with 7i96s

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01 Dec 2023 18:01 #286981 by spacestate1
Hello everyone,I'm currently searching for a VFD compatible with a JGL100-30-24Z/3.7 spindle. I'm using a Mesa 7i96s control board running on LinuxCNC and the primary goal is to get precise control over the spindle's speed and direction.
The spindle came with a MK300 (similar to an MK100 forum.linuxcnc.org/24-hal-components/383...hinese-vfd-need-help ), but it does not seem to work, even in manual mode. And it's not great quality-wise as far as I can tell.  Here are the details of my spindle, the JGL100-30-24Z/3.7:
  • Spindle Model: JGL100-30-24Z/3.7
  • Rated Power: 3.7 kW
  • Voltage: 380/220V
  • Current: 8/13.8A
  • Number of Poles: 4
  • Rated Speed: 24000 rpm (800 Hz)
  • Maximum Speed: 24000 rpm (800 Hz)
  • Torque: 1.5 Nm
  • Tool Handle Specification: BT30
  • Lubrication Method: Grease
  • Bearing Models: 2x7008C P4, 2x7006C P4
  • Weight: 18 kg
Here's the company's webpage:

en.czjst.com/products_details2/21.html

I want to find something that can run off 240-260v, but 220v will work. I'd appreciate any recommendations for a VFD that would work well in this setup, thanks for the help 

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03 Dec 2023 22:09 #287145 by spacestate1
[Update]
I ended up ordering a Fuling VFD 3.7KW 220V/380V 1000Hz (DZB312B003.7L2DK)

The mk300 only had a frequency range from 0-600Hz compared with the spindle's 800Hz. This should be a more appropriate option, plus the Fuling's pins look more standard and the documentation is much better.

I'll post how it works and any issues I run into with it.

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09 Jan 2024 02:28 #290253 by spacestate1
I  have the Fuling DBZ300 VFD ,and I got the spindle to work through the keypad. But now I'm trying to  get it to work with my Mesa7i96S board .Can anyone let me know if this is the correct / sane way to wire everything ? 

Connect a 10v voltage supply between SPINDLE and SPINDLE- on the Mesa board.
Connect  SPINDLE OUT (Pin 23) from the Mesa board to AI1 on the VFD.

Am I missing something here or is there any settings on the mesa board / VFD I might be missing?

I've attached the manual. 

Multifunctional Input Terminals

    S1- DCM: Multifunctional input terminal 1
    S2- DCM: Multifunctional input terminal 2
    S3- DCM: Multifunctional input terminal 3
    S4- DCM: Multifunctional input terminal 4
    S5- DCM: Multifunctional input terminal 5
    S6- DCM: Multifunctional input terminal 6

Power Supply Terminals

    P24-DCM: Auxiliary power supply 24VDC 200mA
    10V-ACM: Input auxiliary power supply 10VDC 20mA

Analog Input Ports

    AI1-ACM: Analog current input port 1 (0-10V or 0-20mA)
    AI2-ACM: Analog current input port 2 (0-10V or 0-20mA)
    AI3-ACM: Analog current input port 3 (-10~10V)

Analog Output Ports

    AO1-ACM: Analog current output port 1 (output 0-10V or 0-20mA)
    AO2-ACM: Analog current output port 2 (output 0-10V or 0-20mA)

Communication and Output Terminals

    SG+ SG-: RS-485 communication port
    RA-RB-RC: Multifunctional connection point output (factory default: failure output)
    TA-TB-TC: Multifunctional connection point output (factory default: output in operating)
    MO1-DCM: Multifunctional collector output port of open circuit
Attachments:

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09 Jan 2024 02:59 #290254 by PCW
You will need to use two digital inputs for FWD and REV and drive them with 7I96S outputs

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09 Jan 2024 14:32 #290277 by spacestate1
I'll try this out thanks!
I know the VFD has rs485 spindle control, but from what I've read on here it seems considerable more difficult to set up and possible less reliable?. I think the advantages are more precise control?

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09 Jan 2024 15:23 #290281 by PCW
Analog control is usual faster and more predictable for things like rigid tapping
where timing of the VFD reversal affects the depth of tap. Modbus (RS-485 Ethernet)
has the advantage of allowing LinuxCNC to access things like motor load,, bus voltage etc

There is experimental Modbus support for the 7I96S and other Mesa FPGA cards
but its a work on progress...

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15 Jan 2024 14:07 - 15 Jan 2024 14:11 #290758 by spacestate1
I've got the wiring and configuration working for the most part. However, the spindle only rotates in one direction regardless of the command given in Axis. It's likely a configuration issue because the only way to get the spindle rotating in the other direction is by changing the U, V, W wires around, but then it's stuck in that direction.The spindle also does not change direction when using the VFD keypad control mode with the FWD and REV change button.Any help is appreciated.Current wiring and configurations:VFD wiring

7i96S     |        VFD
TB2 pin 22 -> ACM
TB2 pin 23 -> AI1
TB2 pin 24 -> 10v
TB3 pin 13 -> DCM
TB3 pin 14 -> S1
TB3 pin 15 -> DCM
TB3 pin 16 -> S2

Settings for 0-10v
F00.01 1 1 = terminal control
F00.06 2 2 = A1 analogue input
F00.22 2 0002 = analogue A1
F05.00 1 1 = forward run
F05.01 2 2 = reverse run
F05.13 1 2 wire control #2
F05.15 0.2 S1 delay time (FWD)
F05.16 0.2 S2 delay time  (REV)
F05.17 0.2 S3 delay time (Motor over temp)


VFD configs ( thanks to camb0 Folinn Bd600 0-10v


 
Last edit: 15 Jan 2024 14:11 by spacestate1. Reason: typos

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15 Jan 2024 16:59 #290769 by 0x2102
I know this doesn't help but why do want to run the spindle in reverse anyways? For things like rigid tapping you would need a spindle encoder.

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16 Jan 2024 13:02 #290864 by spacestate1
I guess the main issue is just getting it set up correctly, with full functionality.

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16 Jan 2024 19:36 #290902 by 0x2102
Did you enable reverse control?

F08.13 Reverse control = 1

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