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Messages - MachineMaster

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91
Run this program. It will show what is happening at the parallel port.
Set slow jog to 20% and you will see the step line blink and the dir line will change as you change directions.

92
SmoothStepper USB / Re: Losing lots of Steps
« on: April 17, 2009, 05:13:30 PM »
Long ramps can leave the motor in a resonant point to long causing lost steps.

93
General Mach Discussion / Re: Need help - slo-syn drives & steppers
« on: April 17, 2009, 05:09:52 PM »
Just for drill, try setting Port #1 to 778.

94
I fly a DF4 & a Walkera 36. Nice job on the rotor core.

95
General Mach Discussion / Re: Need help - slo-syn drives & steppers
« on: April 17, 2009, 04:18:06 PM »
Not sure what you mean "LPT1 low setting is 0378" What is the complete set of numbers?

96
General Mach Discussion / Re: Need help - slo-syn drives & steppers
« on: April 16, 2009, 01:18:37 PM »
First, open control panel/system/hardware/device manager/ports and check the properties on LPT1.  Look at the Resources tab and note the IO range (mine is 03BC - 03BF)
In Ports and Pins in Mach 3 set port #1 to enabled and port address to the first group of numbers in the IO range (03BC in my case) don't enter the leading 0x. See if you can move anything. If not,
Start with just one axis. Disconnect power from the other two. Identify Which pin on the twenty five pin connector is connected to the pulse connector on the MD808. Set that pin to Step in Mach 3. Find the pin that is connected to Dir on the MD808 and set that pin to Dir in mach 3.
Make sure there is a green check on the axis that you just set those pin on. Power up and try moving.

97
General Mach Discussion / Re: Need help - slo-syn drives & steppers
« on: April 15, 2009, 08:51:18 PM »
Disconnect one of your motors (Power Off) and measure the resistance of the A winding and B winding.
Divide 72 by the resistance of one of the windings. This is the Amperage the motor is drawing on that winding.
The drive should be limiting the motor amperage but it doesn't sound like it is.
How many amps is the motor rated for? To many amps will definitely make the motor hot. To much heat will destroy the motor.

98
Uninstall LPT1 & LPT3. Reboot computer and get into CMOS. Make sure onboard parallel port is enabled. Save and continue to boot computer.
Multifunction ports should be detected and installed. Check LPT1 resources and set Port #1. Check LPT2 resources and set Port #2. If LPT2 doesn't have a resources tab, try each of the resources from the multifunction one at a time for Port #2 settings.

99
Instead of looking at Multifunction adapters, look at PCI EPP/ECP Parallel Port LPT 1 & LPT 3.
LPT1 = Port #1 & LPT3 = Port #2.

100
G-Code, CAD, and CAM discussions / Re: Need help with marco??????
« on: April 12, 2009, 02:39:44 PM »
In Config/Motor Tuning what is the setting for Step Pulse and Dir Pulse? If they are not both 5, try setting them to 5.

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