Velleman-Kit K2649 Скачать руководство пользователя страница 11 | Manualshive

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Velleman-Kit K2649 Скачать руководство пользователя страница 11

11

Pay attention to the position :

the upper surface must be at 8mm

(0,3 inch) above the pcb surface (see drawing 2.0).

You may put some pieces of paper between the LCD and the pcb, to
help you holding the display on the right height.

First solder only the pins at the four corners.

Verify the height, and correct if necessary.

Then solder the remaining pins.

Be very careful, for this part is not cheap!

Construction

LCD

Fig. 2.0

C5 : 10nF / 250V

C7 : 100nF / 250V

C8 : 220nF / 100V

C9 : 470nF / 63V

9. Capacitors

LD1: 5mm Red

10. LED.

Watch the polarity !

LD1

CATHODE

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Содержание K2649

Страница 1: ...THERMOSTAT WITH LCD DISPLAY K2649 ILLUSTRATED ASSEMBLY MANUAL H2649IP 1 Total solder points 166 116 Difficulty level beginner 1 2 3 4 5 advanced Digital readout of both set and actual temperature...

Страница 2: ......

Страница 3: ...both the hysteresis and the desired temperature this kit can also be used for a lot more applications than only regulating room temperature Features Wide measuring and regulating range 50 to 150 C 60...

Страница 4: ...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...

Страница 5: ...nts 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 AXIAL COMPONENTS ARE TAPED IN THE CORRECT MOUNTING SEQUENCE You will...

Страница 6: ...ity ZD CATHODE A POWER SUPPLY MODE P2649V D5 1N4148 1 Diode Watch the polarity D CATHODE D1 1N4007 D2 1N4007 D3 1N4007 D4 1N4007 3 Diodes Watch the polarity D CATHO DE R1 560 5 6 1 B R3 100K 1 0 4 B R...

Страница 7: ...Mains J4 ES Economy switch J2 For heaters use the contacts C NO For coolers use the contacts C NC The connection side of the connectors must point to the PCB opening 12 Terminal blocks RV4 10K 9 Horiz...

Страница 8: ...y C 16 Electrolytic Capacitor Watch the polarity J3 FC8 9 wire 19 Flat cable Small hysteresis If you desire a small hysteresis adjustable from 0 2 to 1 C or from 0 4 to 4 F then fit for R24 and R25 a...

Страница 9: ...2 18K 1 8 3 B R19 4M7 4 7 5 B R30 47K 4 7 3 B R31 10K 1 0 3 B R33 22K 2 2 3 B Mount for R10 390 3 9 1 B for C OR 330 3 3 1 B for F 3 Resistors R Mount for R13 1M 1 0 5 B for C OR 150K 1 5 4 B for F Fo...

Страница 10: ...correctly mounted If only one point is displayed then you have to turn the display fig 1 0 8 LCD display 25 16 34 39 40 38 37 36 35 29 30 27 28 26 7 2 1 5 4 3 6 12 9 8 11 10 14 13 15 22 24 23 21 19 18...

Страница 11: ...the pcb to help you holding the display on the right height First solder only the pins at the four corners Verify the height and correct if necessary Then solder the remaining pins Be very careful for...

Страница 12: ...12 S1 S500 11 Push button IC1 ICL7106 12 IC Watch the position of the notch Construction Insert the plastic spindle in trimmer RV1 as displayed 13 Axe...

Страница 13: ...d DON T shorten the connection wires of the sensor unless you are not going to fit it directly onto the pcb in the future Solder two isolated wires 75 cm or 30 to the sensor see fig 3 0 Make use of a...

Страница 14: ...sensor Fig 4 0 Heat the shrinking tube using a hair dryer or better still using a paint stripper Take care that everything is well covered Connect the whole to the place marked with R32 SENSOR The con...

Страница 15: ...15 Attention The connecting order whit regard to the pcb edge must be the same as on the power supply module see fig 5 0 15 Flat cable P2649D P2649V Flat cable Fig 5 0...

Страница 16: ...s kept at 0 C 32 F and after a few minutes the sensor will be at 0 C too Then adjust with RV2 until the display reads 00 0 32 F After zero adjustment the sensitivity of the meter has to be adjusted Pl...

Страница 17: ...s range by using other values for R2 and R33 You can also experiment yourself in order to obtain an optimum adjusting range for your application Solder a 1M trimmer parallel to both R2 and R33 see fig...

Страница 18: ...ch the output is switched on resp switched off Depending on the application a smaller or larger hysteresis may be desired to regulate the room tem perature for instance a small hysteresis is desirable...

Страница 19: ...fore start with RV4 in the middle position and then search the ideal position for your application Suppressing inductive loads Should the operation of the thermostat get disturbed by the switching of...

Страница 20: ...20 Mounting Spacers screws are not included 18 Mounting FIG 9 0 SENSOR FLAT CABLE...

Страница 21: ...rectangular opening in the power supply module is used as a passage for the wiring to the mains input the relay output and the E S Economy Switch see fig 10 FIG 10 Mounting Relay output Economy switch...

Страница 22: ...22 The display module can be mounted above the power supply module using spacers See fig 11 Mounting FIG 11...

Страница 23: ...ways take into account that the mounting of the sensor determines the quality of the regulation the quicker it reacts upon the changing temperature the better In case of liquids this is not such a pro...

Страница 24: ...24 19 PCB layout Display module PCB...

Страница 25: ...25 PCB layout power module PCB...

Страница 26: ...22 21 C4 1 26 R7 V2 V2 R8 T2 T14 IC1 LCD1 31 2 DIGIT LCD MODULE JC JF 1 40 39 28 32 30 11 27 V2 R19 R31 NC R5 C6 C7 R30 C8 C9 R11 RV3 R12 R13 C5 R10 R9 RV2 R32 R34 R33 R2 RV1 V2 R3 R17 R18 R4 A1 R15 R...

Страница 27: ......

Страница 28: ...s and typographical errors reserved Velleman Components nv H2649IP 2004 ED1 rev1 0 VELLEMAN Components NV Legen Heirweg 33 9890 Gavere Belgium Europe www velleman be www velleman kit com 5 4 1 0 3 2 9...

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