Speed Controller Duet (2)
construction, programming and the power units
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Materials
Gerber file
CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.
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Component list
R1,R4,R8,R13 = 10k
R2 = 100k
R3,R7 = 2k 2
R5,R6,R9-R12 = 1k
R14,R15 = 560 ohm
P1 = multiturn preset, vertical mounting (e.g., Bourns 3386W)
Capacitors:
C1 = 220pF ceramic, lead pitch 2.5 mm
C2 = 100mF 16V, radial
C3 = 100nF
C4,C5 = 18pF ceramic
Semiconductors:
D1 =zener diode 2V3
D2,D3 = high-efficiency-LED (3 mm) red
D4 = high-efficiency-LED yellow
D5 = high-efficiency-LED green
D6,D7 = BAT85
T1,T5 = BC547
T2,T3,T4 = BC557
IC1 =ST62T60BB6, programmed, order code 000070-41
Miscellaneous:
S1 = pushbutton, make contact
X1 = 4MHz quartz crystal
Bz 1 = AC buzzer
Ferrite suppressor coil
PCB:
- in combination with SpeedPower1: order code 000070-5;
- in combination with SpeedPower2: order code 000070-4
SpeedPower 1
Resistors:
R1 = 680 ohm
R2,R3 = 470 ohm
R4,R5 = 2k 2
R6 = 1 ohm
R7 = 100k
R8 = 15 ohm
Capacitors:
C1 = 10µF 16V radial
C2,C3 = 100nF
C4 = 47µF 16V radial
C5 = 22nF
Semiconductors:
D1 = STPS3045CT
D2 = BAT85
T1 = BC547
T2,T3 = IRL2203N
IC1 = HCPL2630
IC2 = TC4426CPA
IC3 = L4940V5
Miscellaneous:
Re1, Re2 = relay, Fujitsu 51ND06-N (Conrad Elecrronics #505099-11)
PC1-PC9 = solder pin
PCB, order code 000070-5 (in combination with SpeedControl)
SpeedPower 2
Resistors:
R1,R2,R3 = 470 ohm
R4 = 330 ohm
R5,R6 = 2k 2
R7 = 39 ohm
R8,R11 = 1 ohm
R9 = 560 ohm
R10 = 15 ohm
Capacitors:
C1,C4 = 100nF
C2,C5 = 47µF 16V radial
C3 = 22nF
Semiconductors:
D1,D2 = BAT85
D3 = zener diode 4V7
D4 = STPS3045CT
T1 = BC547
T2 = MTP50P03HDL
T3,T4 = IRL2203N
IC1 = HCPL2630
IC2 = TC4428CPA
IC3 = L4940V5
Miscellaneous:
PC1-PC9 = solder pin
PCB, order code 000070-4 (in combination with SpeedControl)
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