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| Phase Converters and VFD Running 3 phase machines on single phase power and variable frequency drive discussion |
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#1
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Hey guys, I've been playing around with a Huanyang vfd and Chinese spindle on our scratch built CNC in school. So far I've been able to run the spindles and let mach3 control the on/off and speed through the analog inputs. I would like the spindle to control the water cooling and trigger an e-stop if there is a abnormal condition such as a current overload. When working with kids, anything could happen. I figure I need as much safety equipment rigged up as I can get. I've read the instructions but I'm really confused as to the wiring and the pid #s and settings. Any help would be greatly appreciated.
__________________ Http://www.glenspeymillworks.com *Techno LC4896 - 2.2Kw Water Cooled Spindle | *Moving Table Mill from an Omis 3 CMM, 500Lb granite base, Hitachi router, Mach3 |
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#2
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| Could you tell me how you wired your VFD to get on/off and spindle control with mach3. Is there special settings in Mach 3 to get these two fuctions to work? I currently have my spindle setup with a manual on/off switch and a pot switch for adjusting RPM. But i can't seem to figure out how to wire it and set it up to control these with mach 3. Any help would be appreciated. |
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#3
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| Like most VFD's this has configurable inputs and outputs, you can configure one of the unused in as an E-stop IN if you wish 09 is E-stop in. For the four outputs you can configure one as E-Stop on Fault out1 (PD050=02). This is a N.O. or N.C. relay output and normally could go in series with your hardwired E-stop string, which you should have, especially in a teaching environment. Another you could configure to turn on the cooling when a run is initiated. Al.
__________________ CNC, Mechatronics Integration and Machine Design. “Logic will get you from A to B. Imagination will take you everywhere.” Albert E. |
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#5
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| What you normally already should have is a low voltage series (E-Stop) string consisting of N.C. devices, the FA & FB N.C. contacts of the #2 output relay would be one of the devices in this string, the final result would be a low voltage coil relay with multi-contacts, these contacts would be responsible for dropping out any power relays and also a contact into the P.P. to advise Mach a E-Stop had taken place. The para PD051 would be set to 02 (fault detect). This would be the advisable way especially in a teaching environment where OSHA standards would be advisable. Al.
__________________ CNC, Mechatronics Integration and Machine Design. “Logic will get you from A to B. Imagination will take you everywhere.” Albert E. |
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