Velleman K8067 Illustrated Assembly Manual Download | Manualshive

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15. PCB layout.

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Summary of Contents for K8067

Page 1: ...ERSAL TEMPERATURE SENSOR K8067 ILLUSTRATED ASSEMBLY MANUAL H8067IP 1 Total solder points 67 Difficulty level beginner 1 2 3 4 5 advanced Ideal for connection to computer interface boards K8000 K8055 K...

Page 2: ......

Page 3: ...urrent loop system Easily adaptable for 0 5V or 0 10VDC output Specifications Temp range 20 to 70 C Output 20mA current loop Max voltage 10V in 500 ohm Accuracy 2 of full range 3 wire system Power sup...

Page 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...

Page 5: ...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 SEQ...

Page 6: ...0 0 0 1 R10 100 1 0 0 0 1 R11 100 1 0 0 0 1 2 Metal film resistors R Construction IC1 14P 3 IC socket Watch the position of the notch C1 100nF 104 4 Capacitors C ZD1 12V0 500mW 1 Zenerdiode Watch the...

Page 7: ...7 Construction C2 100 F 9 Electrolytic Capacitor Watch the polarity C IC1 TLV274 or eq 10 IC Watch the position of the notch...

Page 8: ...8 11 Sensor LM335 Fig 2 0 The sensor can be placed at a remote location fig 1 0 instead of on the board fig 2 0 Fig 1 0 Sensor Max 1m...

Page 9: ...board distance 1m Sensor and PCB must be shielded from moisture at all times Use shrink tube or resin to protect sensor fig 5 0 Keep in mind that the sensor has a thermal response time of at least 4...

Page 10: ...10 Sensor On board Follow the steps displayed in figures 6 0 through 6 2 if you want to mount the sensor directly on the PCB Solder now the connections of the sensor Fig 6 0 Fig 6 1 Fig 6 2 GND Solder...

Page 11: ...To calculate the re sistor value divide the max desired voltage e g 5V by 0 02 The result is the required resistor value in ohms In this example 5 0 02 250 ohm 4 x 1K ohm resistor in parallel See dia...

Page 12: ...e code is supplied Use the source code as a guide to write your own applications The following formula converts the value returned by the AD converter to C C 101 AD value 256 23 256 is a value used wi...

Page 13: ...software at the time of calibration follow these steps Connect a 500 ohm resistor 2 x 1K in parallel between GND and OUT Apply power to the board 15VDC Leave it idle for at least 15 minutes to allow i...

Page 14: ...14 15 PCB layout PCB...

Page 15: ...5V GND GND 2 3 1 IC1A 5 6 7 IC1B 14 13 12 4 11 IC1D 9 10 8 IC1C R6 200K R8 200K R7 200K R5 200K GND R4 10K GND R3 10K R9 100E R10 SK1 GND V V V V V GND GND GND R1 10K V C1 100n GND VR1 LM385 2 5 0 20m...

Page 16: ...s and typographical errors reserved Velleman Components nv H8067IP 2004 ED1 rev 1 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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