Spindle PWM control missing (parameter 422) - DM500 - Handheld 3-4 Axis CNC Moiton Contr - Digital Dream Technology support
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Spindle PWM control missing (parameter 422)

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Landlord
Posted at 2020-1-31 19:57:13 | All floors
Last edited by enjoy_cnc In 2020-1-31 21:20 Editor

Hello thereSorry
There is an error on page 38 of this manual. There is no parameter 422 in this system.

Does not support PWM and analog control, using multi-stage speed control:

Y01: Spindle start / stop output
Y02: low speed
Y03: Medium speed
Y04: high speed
COM-: common ground
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Sofa
Posted at 2020-2-1 19:42:45 | All floors

Hello there,
          Yes, it is not possible to output 0-10V output, all are digital signal output, you need to set the inverter working mode to multi-step speed control mode. The speed in this mode cannot be adjusted steplessly. 3 outputs can control 8 speeds.
        The factory default is to shield the S command. Before processing, you need to manually adjust the spindle to a fixed speed.


Y01: Spindle start / stop output
Y02: Low
Y03: Medium
Y04: High



    Y02   Y03  Y04
S1   0     0    0
S2   1     0    0
S3   0     1    0
S4   1     1    0
S5   0     0    1
S6   1     0    1
S7   0     1    1
S8   1     1    1


     Y01
ON    1
OFF   0


Y01 Y02 Y03 Y04 is a digital signal, not an analog signal

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Bench
Posted at 2020-2-1 21:12:58 | All floors
Hello there
         I understand what you mean, sorry: if I use one of Y02 03 04 as the source of PWM, then I need to upgrade the hardware program, but currently I cannot upgrade the underlying hardware program remotely.
        However, it can be achieved by other methods. For example, it can be through 232 serial port, and the data protocol adopts MODBUS RTU mode. Then only one slave device that supports the modbus protocol and can output 0-10v analog signals can be used. to realise.

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Floor
Posted at 2020-2-2 12:57:51 | All floors
Hello there
OK Understand your ideas, I think that based on this hardware, you can at least implement the PWM function. However, the hardware may be sent back to the vendor for low-level program upgrades.

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