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Dc to Pulse Width Modulator

K8004

ILLUSTRATED ASSEMBLY MANUAL

H8004IP-2

Total solder points: 82
Difficulty level:

beginner

1



2



3



4



5



advanced

Allow

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y eff

icien

t con

trol o

f DC

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light

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1
2
3
...
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Summary of Contents for WSI8004

Page 1: ...Dc to Pulse Width Modulator K8004 ILLUSTRATED ASSEMBLY MANUAL H8004IP 2 Total solder points 82 Difficulty level beginner 1 2 3 4 5 advanced Allows very efficient control of DC motors heaters or lights...

Page 2: ...et 0 to 20 adjustable Adjustable sensitivity 2 5 to 35VDC Short circuit protection Overload protection 6 5A Specifications Power Supply 8 to 35VDC unregulated Supply current No load 35mA typ Efficienc...

Page 3: ...he eyes Needle nose pliers for bending leads or to hold components in place Small blade and Phillips screwdrivers A basic range is fine For some projects a basic multi meter is required or might be ha...

Page 4: ...refully solder the leads 2 Make sure the solder joints are cone shaped and shiny 3 Trim excess leads as close as possible to the solder joint REMOVE THEM FROM THE TAPE ONE AT A TIME DO NOT BLINDLY FOL...

Page 5: ...0K 2 2 4 B 2 Resistors R Construction D1 1N4148 D2 1N4148 D3 1N4007 1 Diodes Watch the polarity D CATHODE IC1 16P 3 IC socket Watch the posi tion of the notch RV1 10K RV2 10K RV3 250K RV 4 Trim potent...

Page 6: ...citor Watch the polarity C D4 6A2 6A6 9 Diode check the polarity D CATHODE J1 2p J2 2p J3 2p 10 Screw connectors R8 0 22 R22 R9 0 22 R22 R10 0 22 R22 11 5W Resistors R 2mm R T2 BUK9535 55 or eq 12 Tra...

Page 7: ...nt to the DC input Set preset RV3 to the middle of its adjustment range Connect a DC voltage between 8 and 35V with the points V and GND Measure between the and points of LOAD with a voltmeter set to...

Page 8: ...ntrolled with the demo program dimmer The circuit can also be tested with the test program of the K8000 Figure C Internal reference voltage used as control voltage 15 Different configurations SUPPLY P...

Page 9: ...halogen lamps in order to pre heat the filament RV2 setting the maximum output voltage Set the control voltage to the maximum voltage that you are going to use The maximum output voltage can be adjus...

Page 10: ...10 PCB 17 PCB P8004 2...

Page 11: ...11 18 Schematic diagram Schematic diagram T1 D2 D1...

Page 12: ...5 4 1 0 3 2 9 2 9 2 0 9 6 Modifications and typographical errors reserved Velleman nv H8004IP 2 rev 4 0 VELLEMAN NV Legen Heirweg 33 B 9890 GAVERE Belgium Europe...

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