Protomaker 3D Printer Heat bed SSR test success. RAMPS 1.4 via 24 Volts

  • 8 years ago
Protomaker 3D Printer Heat bed SSR test success

3D Printer 24V Heat bed SSR test success

Using RAMPs 1.4, with a 12864 LCD display, control a 24 Volt 300 Watt heat pad.

The 24 Volt 300 Watt heat pad is controlled on and off via the Solid State Relay, SSR.

The Solid State Relay is controlled via the RAMPS 1.4 which is powered via a 24 Volt to 12 Volt car voltage step down device. A 24 Volt 500 Watt Power supply unit powers the 24 Volt 300 Watt heat pad via the Solid State Relay which is controlled via the RAMPS at 12 Volts.

So the RAMPS 1.4 is powered at 12 Volts via 12 Volts from the car voltage step down device which gets its 24 Volts input from the same 24 Volt 500 Watt Power supply as the one that also powers the 24 Volts 300 Watt heat pad.

24Volt to 12 Volts, via the RAMPS caused some LED strip light flicker, but I fixed this:-
https://hackaday.io/project/8680-power-supply-plan-24-volts-300watt-heatpad

Test program, moves steppers, etc. Not includes extruder heaters on and off, etc, so be careful using
RAMPS_test_code.ino
Get it here: http://1drv.ms/1QZ7w

PSU I use is the 24 Volts 20 Amps 480 Watts model
eBay Seller: delhanway2009
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DC to DC Single Phase Solid State Relay SSR 25A 3-32V 5-220V
eBay Seller: keril13
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New 24V to 12V DC-DC 30A Car Power Supply Inverter Converter Conversion Device , 24 Volt PSU supply to 12 Volts for the RAMPS controllor
eBay Seller : delhanway2009
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The Heat bed custom built 275mm x 225mm 24 Volts 300 Watts
Very helpful seller will custom build heat pads, size volts, etc and help advice where possible
eBay Seller keenovo
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RAMPS 1.4, 12864 LCD/controller, Arduino Mega 2560 and drivers, etc..
eBay Seller: accessoriesdepot
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Protomaker Black Sprint Original 3D Printers advertised for spares or repairs.

My Wordpress Blog will tell you more about:-
Protomaker Black Sprint Original 3D Printer
https://protomaker3dprinter.wordpress.com/
Tweets about 3D Printers: tips, hardware software, filament ,etc...
https://twitter.com/myvideostowatch
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