yalang yl620 VFD rs485/modbus communicaiton

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6 years 5 months ago #168841 by aekhv
Replied by aekhv on topic yalang yl620 VFD rs485/modbus communicaiton
An interesting info about YL620 and electrical noises: forum.linuxcnc.org/24-hal-components/341...2hal?start=20#153160

BTW if you consider this VFD, dont!
If you have massive noise problems, you've been warned.
Schaffner FN2060-16-06 mains filter will help a lot (my DAB! radio works now) and ferrite bead(donut shaped ring) on rs485 line will stop your screen from going wonky.


I'm using this adapter (with other VFD, not a YL620), it works fine for me: aliexpress.ru/item/32811301007.html

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5 years 2 months ago - 5 years 2 months ago #219281 by rounyworks
Replied by rounyworks on topic yalang yl620 VFD rs485/modbus communicaiton
please help me i'm problem wih this vfd

 
Code:
Opening /dev/ttyUSB0 at 9600 bauds (N, 8, 1) vfdmod: reading 'spindle.rpm-out' from address 8203 (0x200B)... [01][03][20][0B][00][01][FE][08] Waiting for a confirmation... <01><83><03><01><31> ERROR Illegal data value vfdmod: setting command speed value to 500 (0x01F4)... [01][06][20][01][01][F4][D3][DD] Waiting for a confirmation... <01><86><03><02><61> ERROR Illegal data value  
Last edit: 5 years 2 months ago by rounyworks.

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5 years 1 month ago #219381 by andypugh
Replied by andypugh on topic yalang yl620 VFD rs485/modbus communicaiton
Are you sure that 9600 / N / 8 / 1 is correct for the VFD?

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5 years 1 month ago #219475 by rounyworks
Replied by rounyworks on topic yalang yl620 VFD rs485/modbus communicaiton
Yes this my VFD setting
P00.01 = 3
P03.00 = 3
P03.01 = 1
P03.02 =  2
P07.08 =  5

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5 years 1 month ago #219499 by iforce2d
Replied by iforce2d on topic yalang yl620 VFD rs485/modbus communicaiton
I recently spent two days trying to get RS485 working with this VFD before giving up. It appears to be simply reject any communication on that external port no matter what settings are made. My reports in this thread might be interesting, but there's nothing good:  forum.linuxcnc.org/24-hal-components/387...-rtu?start=60#218634

I would suggest just using PWM control, takes about 10 minutes to set up. If only I had a time machine...

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5 years 1 month ago #219525 by andypugh
Replied by andypugh on topic yalang yl620 VFD rs485/modbus communicaiton
FWIW the HuangYang VFDs have the same problem, they don't actually talk modbus. The dedicated driver handles this.

It _might_ be worth trying the hy_vfd driver with this one. The worst that can happen is that you waste even more time.

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