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Mach4 General Discussion / Re: Configuring Mach4 with Hitachi WJ200 without Modbus
« on: March 19, 2020, 08:53:43 AM »
As right as Craig is about getting the RPM down to THE RPM, yours is nearly 4x. Should be able to get somewhat better than that!! I wouldn't chase parameters in the VFD, I'd chase PWM frequency in your setup or something. Perhaps Mach4 Pulley setup, or whatever it's called now. If you put a volt meter on the output and you're getting anywhere NEAR 0 to 10 volts, the VFD with default parameters, should be way closer than 4x.
Actually, with a 4x discrepancy, I'd be looking at the VFD's motor plate and pole parameters, parameters B012 and H004. Other than that, you lost me;
The problem with chasing VFD parameters is you BETTER remember, write down, everything you changed so that when you figure out the Mach4 setup and your electronic equipment setup/wiring, you can get the VFD back to where it was!!! Just my experience. When the VFD comes out of the box, other than matching your motor pole/nameplate settings and frequency of your electricity (60hz and default in the US), then setting your control input, it should just work.
Actually, with a 4x discrepancy, I'd be looking at the VFD's motor plate and pole parameters, parameters B012 and H004. Other than that, you lost me;
The problem with chasing VFD parameters is you BETTER remember, write down, everything you changed so that when you figure out the Mach4 setup and your electronic equipment setup/wiring, you can get the VFD back to where it was!!! Just my experience. When the VFD comes out of the box, other than matching your motor pole/nameplate settings and frequency of your electricity (60hz and default in the US), then setting your control input, it should just work.