I have a telescope project and what I need to do is control these 3 items.
All 3 of these are telescope control units. They don't require a lot of power. They are just for positioning and cooling.
The STEPPERONLINE stepper is just for focusing. It moves a 6" mirror back and forth through a reduction unit and only has to do this once or twice a night.
The Lin Engineering stepper is just for rotating a camera and is only used once or twice a night.
The Sunon 80mm cooling fans are only run as the sun goes down to cool the telescope to night time temperatures and then are shut off.
I have both 12vdc and 24vdc available for power.
I have a 3 axis stepper motor control board with a 24v PWM output for a spindle motor.
I have tried a couple of PWM "converters" for the 12vdc fans and neither has worked for the fans but the board works great to run the steppers.
Whatever the answer is I need to control it remotely via USB or RS232 and have some simple software just to move the motors and turn the fans on and off.
So that's my problem and I come here seeking help.
NEMA 17 bipolar 4-wire
STEPPERONLINE
Voltage 2.8 Volts
Rated current 1.68A & resistance 1.65ohms
NEMA 17 bipolar 4-wire
Lin Engineering
4-wire
4118S-15 0.50A
3ea (in parallel)
Sunon 80mm cooling fans
12vdc 1.7w ea
d current 1.68A & resistance 1.65ohms
If there is an off the shelf solution I'd gladly do that.
If I have posted this in the wrong place I apologize.
Thanks
Greg
All 3 of these are telescope control units. They don't require a lot of power. They are just for positioning and cooling.
The STEPPERONLINE stepper is just for focusing. It moves a 6" mirror back and forth through a reduction unit and only has to do this once or twice a night.
The Lin Engineering stepper is just for rotating a camera and is only used once or twice a night.
The Sunon 80mm cooling fans are only run as the sun goes down to cool the telescope to night time temperatures and then are shut off.
I have both 12vdc and 24vdc available for power.
I have a 3 axis stepper motor control board with a 24v PWM output for a spindle motor.
I have tried a couple of PWM "converters" for the 12vdc fans and neither has worked for the fans but the board works great to run the steppers.
Whatever the answer is I need to control it remotely via USB or RS232 and have some simple software just to move the motors and turn the fans on and off.
So that's my problem and I come here seeking help.
NEMA 17 bipolar 4-wire
STEPPERONLINE
Voltage 2.8 Volts
Rated current 1.68A & resistance 1.65ohms
NEMA 17 bipolar 4-wire
Lin Engineering
4-wire
4118S-15 0.50A
3ea (in parallel)
Sunon 80mm cooling fans
12vdc 1.7w ea
d current 1.68A & resistance 1.65ohms
If there is an off the shelf solution I'd gladly do that.
If I have posted this in the wrong place I apologize.
Thanks
Greg