Velleman K6001 User manual
TEMPERATURE SENSOR
K6001
ILLUSTRATED ASSEMBLY MANUAL H6001IP-2
Total solder points: 71
Difficulty level: beginner 12345 advanced
ForusewithourK6000or
K6002kits.
3
This kit has been developed especially to be combined with our K6000 or K6002 in order to create a tem-
perature regulating and temperature control system. Combined with the K6000 kit, a completely programma-
ble thermostat can be assembled. The use of a separate sensor offers the advantage of making the distance
between the controller and the sensor irrelevant.
Specifications:
Temperature range of the transmitter : -40°C to 150°C.
Pulse width modulation : 200µs / °C.
Generated pulse width :
- at –40°C : 2ms (+/- 500µs adjustable)
- at 150°C : 40ms (+/- 2500µs adjustable)
Linearity from –10°C to 50°C : better than 0,5%.
Full scale : better than 2%.
Tested up to 50m (distance between sensor and controller)
Output : 15mA current loop
Supply voltage : 12VDC (+/- 2V) / 20mA Max.
PCB dimensions: 45 x 47mm (1.8" x 1.9")
Features & Specifications
4
Assembly hints
1. Assembly (Skipping this can lead to troubles ! )
Ok, so we have your attention. These hints will help you to make this project successful. Read them carefully.
1.1 Make sure you have the right tools:
• A good quality soldering iron (25-40W) with a small tip.
• Wipe it often on a wet sponge or cloth, to keep it clean; then apply solder to the tip, to give it a wet look. This is called ‘thinning’ and will
protectthe tip, and enables youto makegoodconnections. Whensolder rollsoff the tip,it needs cleaning.
• Thin raisin-core solder. Do not use any flux or grease.
• A diagonal cutter to trim excess wires. To avoid injury when cutting excess leads, hold the lead so they
cannot fly towards the 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 handy
1.2 Assembly Hints :
⇒ Make sure the skill level matches your experience, to avoid disappointments.
⇒ Follow the instructions carefully. Read and understand the entire step before you perform each operation.
⇒ Perform the assembly in the correct order as stated in this manual
⇒ Position all parts on the PCB (Printed Circuit Board) as shown on the drawings.
⇒ Values on the circuit diagram are subject to changes.
⇒ Values in this assembly guide are correct*
⇒ Use the check-boxes to mark your progress.
⇒ Please read the included information on safety and customer service
* Typographical inaccuracies excluded. Always look for possible last minute manual updates, indicated as ‘NOTE’ on a separate leaflet.
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0
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Assembly hints
1.3 Soldering Hints :
1- Mount the component against the PCB surface and carefully 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 !
AXIAL COMPONENTS ARE TAPED IN THE CORRECT
MOUNTING SEQUENCE !
You will find the colour code for the resistances and the LEDs in the HALG
(general manual) and on our website: http://www.velleman.be/common/service.aspx
6
R1 : 240K (2 - 4 - 0 - 3 - 1)
R3 : 3K (3 - 0 - 0 - 1 - 1)
R4 : 4K7 (4 - 7 - 0 - 1 - 1)
R5 : 10K (1 - 0 - 0 - 2 - 1)
R6 : 1K8 (1- 8 - 0 - 1 - 1)
1. Metal film resistors
R...
Construction
D1 : 1N4007
4. Diode. Watch the polarity !
C1 : 470pF (471)
C2 : 470pF (471)
2. Capacitors.
C...
CATHODE D...
IC1 : 8p
IC2 : 16p
3. IC socket. Watch the
position of the notch!
R2 : 18K (1 - 8 - 0 - 2 - 1)
R7 : 1K8 (1 - 8 - 0 - 1 - 1)
Attention : because one of the
connections of both R2 and R7
is a measuring point, it is advis-
able to take care that the body of
the resistors is on the largest
circle of the pcb overprint.
5. Metal film resistors
R...
R8 : 560 (5 - 6 - 1 - B)
6. Resistor
R...
7
Construction
C3 : 470nF (µ47)
8. Capacitor.
RV1 : 1K (OFFSET)
RV2 : 200K (ZERO)
RV3 : 5K (GAIN)
Offset : Zero-setting of the sensor.
Zero : Calibration at zero degrees.
Gain : Maximum temperature
calibration.
7. Multiturn trimmers
RV...
RV...
C4 : 10µF
C5 : 10µF
C6 : 10µF
C7 : 220µF
10. Electrolytic Capacitors.
Watch the polarity !
C...
J1 : 2p + 3p
9. Terminal block connectors
IC1 : TLV721 or eq.
IC2 : 3524 or eq.
11. IC’s. Watch the position
of the notch!
8
Preparing the sensor
Cut two 5cm pieces of the supplied copper wire (fig. 1.1). Using a knife, remove the varnish of both
pieces of wire over some 3mm from the ends and tin the ends (fig. 1.1)
Cut the connections of the KTY11, KTY81-22 sensor or eq. at 3mm (fig. 1.2)
Solder both copper wires to the sensor (fig. 1.3)
12. Preparing the sensor
Fig. 1.1
Fig. 1.3
Fig. 1.2
9
Cut off a piece of shrinking tube with a length equal to 5cm
Slide the shrinking tube over the copper wires and OVER the sensor (fig. 1.4)
Heat the shrinking tube using a hair dryer or, better still, using a paint stripper.
Connect the transmitter (type KTY11, KTY81-22 or equivalent) with the points SENSOR of the pcb, using
a piece of screened wire (+/- 50cm). The polarity is of no importance.
Fig. 1.4
Preparing the sensor
10
IMPORTANT : First have the circuit "warmed up" for about 10 minutes before starting adjusting!
Connect the transmitter (type KTY11, KTY81-22 or equivalent) with the points SENSOR of the pcb, us-
ing a piece of screened wire (+/- 50cm). The polarity is of no importance.
Connect a DIGITAL measuring apparatus between the two connection wires of R2 and R7.
Connect 12VDC to the points +VS and -VS.
REMARK : Be careful to not touch the circuit with your hands while adjusting it, because this could cause
noise at its output, and consequently a very unstable read out.
Fill a glass with ice cubes and let them melt a little until you get ice-water.
Plunge the transmitter into the melting ice-water (0°C). Take care that the connection wires of the trans-
mitter do not touch the water.
Adjust the OFFSET trimming potentiometer RV1, so that the meter indicates 0V (possibly select a more
sensitive measuring range) and wait until the indication becomes stable.
THIS ADJUSTMENT IS VERY IMPORTANT, SO CARRY IT OUT VERY CAREFULLY!
Adjustment & use
13. Adjustment & use
This manual suits for next models
1
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