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You can use the old drivers as Todd said. But, sometimes, changing everything is easier. I already kept old servos on a retrofit, then two years after I changed them because there were damaged .
Delta B2 are ok.

Hi langdons,
yes the chinese has only 1,5kW instead of 2,2, just 320 Hz, no vector, no safety settings and outputs, no rs232 programming, it's cost is only 1/4 of the Hitachi. It is 3 years old, mostly layd in stock, has had 7 hours this year since built in, mostly parametring and testing time, but the 10V problem was from the beginning and sucked. Hitachi made a costless repair on it. I think, there's nothing wrong with the VFD itself, but sth has changed in Linuxcnc. But where?
(Hitachi is founded in 1910 and in the US since 1959, Hitachi VFD's are very common here in Europe and I have no doubt about their quality)
 

Hi guys
I'm a beginner with Mesa electronic boards and I'm retrofitting a Realmeca T200 cnc lathe ( analogs drivers ).
The configuration I'm implementing is 7i97T+ 7i74+ 7i84+ 7i73 with the bin file 7i97T&7i74d
I have a PWM version error, and I need to find the latest version of the bin file 7i97T&7i74d
Can anyone help me?
Thanks
 

Thanks, I went through referenced thread, not sure I understood any of it.
I have an Asix Electronics Corporation AX99100 PCIe to Multi I/O Controller (prog-if 03 [IEEE1284]),

If there are known cards I could buy I’d rather buy a known working card.

This is for a CNC machine, so just the first step of many.

Thanks,
Ted

Ofcourse! 

I've included them as an attachment.

I hope you have some good insights into my setup. 

Thanks in advance.

EDIT:

I now also use the following step timing:

DIRSETUP   = 500
DIRHOLD    = 500
STEPLEN    = 1000
STEPSPACE  = 1000
STEP_SCALE = 1000

In addition, I changed the |DISPLAY|MAX_VELOCITY and the |TRAJ| VELOCITY settings. I have also increased the other velocity limits accordingly.The machine is now performing better than ever!
Surprisingly, I'm no longer getting any following errors—I'm not entirely sure why, but I’m definitely not complaining. ?Thanks to everyone for the input and suggestions!

Can you post your complete hal/ini files?