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Personally, I'd take a PWM spindle control interface over a Step/Dir charge pump any day. Peter Homanns DC03 works flawlessly, and is VERY accurate and linear. I can typically set VFD frequency to with 0.5Hz or better.Regards,Ray L.
Quote from: HimyKabibble on January 04, 2010, 11:22:32 PMPersonally, I'd take a PWM spindle control interface over a Step/Dir charge pump any day. Peter Homanns DC03 works flawlessly, and is VERY accurate and linear. I can typically set VFD frequency to with 0.5Hz or better.Regards,Ray L.Me too.
1- The VFD I am using ( a 15HP GS3 from automation direct) has an analog output supply of 10V at 20mA max. The C11G has a required input of 12V @50mA. Do I really need another isolated power supply? I feel like I have about enough in that control panel... 24VDC, 24VAC, 12VDC for the drives, 60VDC for the servos, and on and on.....