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Velleman-Kit WST2579, Manual

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K2579

H2579IP-2

Small siz

e timer pr

ovides up

to

60 minutes

delay.

UNIVERSAL START/STOP TIMER

Specifications



Relay output with switchover contact.



Power supply : 12VDC regulated.



Typical active current : 55mA.



Relay output : 2A/240V max.



Dimensions : 35x70mm / 1.37x2.75"'

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Summary of Contents for WST2579

Page 1: ...timer provides up to 60 minutes delay UNIVERSAL START STOP TIMER Specifications Relay output with switchover contact Power supply 12VDC regulated Typical active current 55mA Relay output 2A 240V max D...

Page 2: ...VELLEMAN NV Legen Heirweg 33 9890 Gavere Belgium Europe www velleman be www velleman kit com...

Page 3: ...e stopped and restarted at any time Features Start stop push buttons included LED status indicator Timing adjustable from a few seconds to 15 minutes extendable to 60 minutes Relay output with switcho...

Page 4: ...ers A basic range is fine For some projects a basic multi meter is required or might be handy 1 2 Assembly Hints Make sure the skill level matches your experience to avoid disappointments Follow the i...

Page 5: ...DO NOT BLINDLY FOLLOW THE ORDER OF THE COMPONENTS ONTO THE TAPE ALWAYS CHECK THEIR VALUE ON THE PARTS LIST REMOVE THEM FROM THE TAPE ONE AT A TIME...

Page 6: ...esistor R Construction D1 1N4148 1 Diode Watch the polarity D CATHODE RV1 2M2 5 Trim potentiometer IC 8p 3 IC socket Check the position of the notch C1 100nF 4 Capacitor C T1 BC547B 6 Transistor C2 10...

Page 7: ...7 Construction SW1 START SW2 STOP 9 Push buttons RY VR15M121C 10 Relay RY IC NE555 11 IC Check the position of the notch...

Page 8: ...8 12 Connection example Connection example 220nF 400V 100E 1W A B or C Snubber network see hook up and use NC NO A B C COM 12V DC 300 mA...

Page 9: ...e screened cable avoid outside interference and keep the distance between the switches and the PCB as short as possible The timer is equipped with a relay output that is galvanically separated from th...

Page 10: ...10 10 PCB layout PCB 14 PCB layout...

Page 11: ...OUT 3 RST 4 THR 6 TRIG 2 DISC 7 VCC 8 IC1 NE555 R6 4K7 R4 1K R3 4K7 R1 1K R2 10K RV1 2M2 C2 100 T1 BC547 R5 10K RY VR15M211C D1 1N4148 SW2 SW1 A B C POWER 12V GND GND GND LD1 LED R7 1K C1 100n GND 15...

Page 12: ...5 4 1 0 3 2 9 3 1 1 3 8 4 Modifications and typographical errors reserved Velleman nv H2579P 2012 ED2 rev 2 VELLEMAN NV Legen Heirweg 33 B 9890 GAVERE Belgium Europe...

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