Drkk
12-03-2006, 09:48 PM
Z-Axis servo error, Y-Axis servo error, X-Axis servo error.
All at once. Checked the axis drive cards, no lights.
Power supply bad. Easy fix, right?
Machine is a 97. First ones after the change from the 160 volt spindle drives to the 320 Volt Vector Drive.
The servo distribution power supply is rated for an input voltage between 100-240 volts. And run at that over voltage, a tech told me that they blow like popcorn.
The supply is $85.00 from the manufacturer and $300 from Haas.
Except, it's been superceeded by a retrofit that replaces the PCB power supply and the servo distribution power supply. For $900.00.
Replacement? Ready?
$45.00 ATx power supply from any computer store.
Plug it into the 120 volt supply, and you need only the +12 and -12 volt outputs. Make sure you have at least .5Amp on the -12 leg, and do NOT buy a cheap power supply, or your axis will move like they are full of gravel.
Took me a while to figure out what was really required, Haas was near no help. But it works well, and is stable.
All at once. Checked the axis drive cards, no lights.
Power supply bad. Easy fix, right?
Machine is a 97. First ones after the change from the 160 volt spindle drives to the 320 Volt Vector Drive.
The servo distribution power supply is rated for an input voltage between 100-240 volts. And run at that over voltage, a tech told me that they blow like popcorn.
The supply is $85.00 from the manufacturer and $300 from Haas.
Except, it's been superceeded by a retrofit that replaces the PCB power supply and the servo distribution power supply. For $900.00.
Replacement? Ready?
$45.00 ATx power supply from any computer store.
Plug it into the 120 volt supply, and you need only the +12 and -12 volt outputs. Make sure you have at least .5Amp on the -12 leg, and do NOT buy a cheap power supply, or your axis will move like they are full of gravel.
Took me a while to figure out what was really required, Haas was near no help. But it works well, and is stable.