Author Topic: Elekmaker-"mana se" 3 pin mystery  (Read 450 times)

Colka

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #15 on: January 06, 2017, 11:37:45 AM »
Based on the backside traces, you can see D11 goes to the S pin (for both the servo and laser connector), so probably means signal.

I also noticed the back side traces has been soldered to the source pin/Base of the mosfet on the front of the board. The other 2 pins on the MOSFET being Gain and drain.

seanjmw

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #16 on: January 06, 2017, 04:18:13 PM »
yes s for signal like an RC plug, which i have been using to test it. it seems to give constant voltage on the +- but strangly the red 2 pin contact labled "motor" does power the laser with pwm,  so at least it works with this 2w laser, i have also one of those 5.5w so called blue lasers which does need a ttl fix maybe the mystery 3 pin is for that signal.

seanjmw

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #17 on: January 06, 2017, 04:29:22 PM »
here is nano out of socket

ggallant571

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #18 on: January 06, 2017, 04:34:24 PM »
Perhaps the the RED 2-pin header could be more properly labeled "Spindle Motor". What voltage on the pins? Deos one of the RED pins go to +12V and the other to pin-2 (tab) of the MOSFET?
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seanjmw

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #19 on: January 06, 2017, 04:56:20 PM »
i dont have a mutimeter here but as far as i can tell its the "s" that goes through the mosfet. the red socket is conected to the axis swiches

seanjmw

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #20 on: January 06, 2017, 05:15:50 PM »
The board appears to have a power MOSFET so I am guessing that the 3-pin header is a TTL control and the 2-pin RED header labeled MOTOR is actually the switched laser. Use a multimeter to ohm out the signals.
this seems to be right, thanks all.
« Last Edit: January 06, 2017, 05:18:43 PM by seanjmw »

ScottOram

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #21 on: January 16, 2017, 05:11:20 PM »
So this is the board I have as well.. what what's the finding solution... Lost you guys at ohm...

ggallant571

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #22 on: January 16, 2017, 05:26:22 PM »
What type of connection are you making from the controller to the laser module? How many wires?
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ScottOram

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #23 on: January 16, 2017, 05:30:20 PM »
Three wire from the White Connector (Red/Black/White) to the LASER

HaniC

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #24 on: January 16, 2017, 06:24:38 PM »
I've traced these connections on my controller. Here is the definitive guide:

Laser connector used for Laser with on board TTL control (eg. 3 pin laser).
Motor connector used for Laser without on board TTL control (eg. 2 pin laser).
Servo connector used for, you guesed it, servo control.

So if you have a 3 pin laser just connected to 3 pin laser connector, 2 pin laser to 2 pin motor connector and server to servo connector. The control of all three connectors is from D11.
« Last Edit: January 16, 2017, 06:29:40 PM by HaniC »

ggallant571

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #25 on: January 16, 2017, 06:32:38 PM »
Is there a low power button? Is there a power button?
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Zax

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #26 on: January 16, 2017, 06:33:26 PM »
It has a power button, no weak mode button.

HaniC

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #27 on: January 16, 2017, 06:38:35 PM »
Is there a low power button? Is there a power button?

The single power button on the MANA SE board just connects and disconnects the 12V from the power adapter to the control board. So it's just a power button.

There is no weak laser button on the MANA SE board itself. However, with the new kits that are shipping, the TTL board on the laser itself has a weak laser button built in.

ggallant571

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #28 on: January 16, 2017, 06:48:42 PM »
There is also an inductor and a 1500uf cap rated at 6.3V. Wonder if they are generating Vin for the Nano. The Nano also is different. It has 12 & 16 MHz crystals on the back side.Strange behavior for Eleks adding anything. Did they double the price?
« Last Edit: January 17, 2017, 04:58:56 AM by Zax »
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HaniC

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Re: Elekmaker-"mana se" 3 pin mystery
« Reply #29 on: January 16, 2017, 06:56:35 PM »
There is also an inductor and a 1500uf cap rated at 6.3V. Wonder if they are generating Vin for the Nano. The Nano also is different. It has 12 & 16 MHz crystals on the back side.Strange behavior for Eleks adding anything. Did they double the price?

Yes, they generate +5V on board using a DC to DC converter to supply power to Nano +5V pin (disabled by default - there is a solder jumper near inductor). I wrote more about this here:

http://benboxlaser.us/index.php/topic,1418.msg17260.html#msg17260

My guess is that they will use this board for more than just laser engraver. They probably have more designs in the works for a mill or drill table etc so they are supporting these design with same board. In the scheme of things, the cost increase will be negligible but the flexibility it offers returns value for them.