Instructions

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Total solder points: 159

Difficulty level:

beginner 1  2  3  4  5  advanced

ILLUSTRATED ASSEMBLY MANUAL H8055IP-1

Specifications:

• 5 Digital inputs (0= ground, 1= open). On board test buttons pro-

vided.

• 2 Analog inputs with attenuation and amplification option. Internal

test +5V provided.

• 8 Digital open collector output switches (max 50V/100mA). On

board LED indication.

• 2 Analog outputs

 0 to 5V, output resistance 1K5.

 PWM 0 to 100% open collector outputs

 max 100mA / 40V. On board LED indication.

• General conversion time: 20mS per command

• Power supply through USB approx. 70mA.

• Diagnostic software and communication DLL included

Minimum system:

• Pentium class CPU

• USB1.0 or higher connection

• Windows 98SE or higher (Win NT excluded)

• CD ROM player and Mouse

K8055

USB Experiment interface board

Summary of content (16 pages)

PAGE 1
Total solder points: 159 Difficulty level: beginner 1 2 3 4 5 advanced USB Experiment interface board K8055 Specifications: • 5 Digital inputs (0= ground, 1= open). On board test buttons provided. • 2 Analog inputs with attenuation and amplification option. Internal test +5V provided. • 8 Digital open collector output switches (max 50V/100mA). On board LED indication. • 2 Analog outputs 0 to 5V, output resistance 1K5. PWM 0 to 100% open collector outputs max 100mA / 40V. On board LED indication.
PAGE 2
This device complies with Part 15 of the FCC Rules provided the enclosed instructions are followed to the letter. Use of the device is subject to the following conditions: (1) this device must not cause harmful interference and (2) the operation of this device should not be influenced by unwanted interference. More information about FCC can be look at http:// www.fcc.gov VELLEMAN Components NV Legen Heirweg 33 9890 Gavere Belgium Europe www.velleman.be www.velleman-kit.
PAGE 3
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 (2540W) 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 protect the tip, and enables you to make good connections.
PAGE 4
Assembly hints 1.
PAGE 5
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PAGE 6
Construction 1. Jumper J (2x) 2. Resistors R...
PAGE 7
Construction 4. Capacitors 7. Potentiometer C... C1 C2 C3 C4 C5 C7 : 100nF (104, 0.1, u1) : 100nF (104, 0.1, u1) : 100nF (104, 0.1, u1) : 33pF (33) : 33pF (33) : 100nF (104, 0.1, u1) RV1 : 100K RV2 : 100K 8. Capacitors C... 5. IC sockets. Watch the position of the notch! C6 : 220nF/ 50V 9. LED’s. Watch the polarity! IC1 IC2 IC3 IC4 : : : : 14P 18P 28P 18P 6. Push buttons SW... SW1 SW2 SW3 SW4 SW5 KRS0610 LD...
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Construction 10. Transistors 14. Pin header T1 : BC337 T2 : BC337 11. USB connector SK7 : USBB90 SK2 : SK3 : SK5 : SK6 : 2P 2P 2P 2P 15. Screw connectors 12. Electrolytic capacitors. Check the polarity ! C... SK1 : 3P C8 : 4,7µF/50V 13. Quartz crystal X...
PAGE 9
Construction 16. IC’s. Watch the position of the notch! 1 PIN 1 IC1 : TLV274IN IC2 : ULN2803 IC3 : VK8055 Programmed PIC16C745-IP ! IC4 : ULN2803 SK8 : 5 x 3P 17. GAIN FACTOR When the input voltage is too low you can amplify it x4 / x15. A gain of x4 requires a resistance of 3K3 for R8 (input signal 1) and for R9 (input signal 2). A x15 gain requires a resistance of 820ohm.
PAGE 10
Connections / settings 10 1 2 3 4 5 6 7 10 9 8 19.
PAGE 11
Connections / settings 5 digital inputs (e.g. push button, switch, relay contact, ...). 1 Input is generally "high" (1), connection to GND makes the input "low" (0) 2 Analogue inputs (e.g. temperature sensor, potentiometer, ...) If the jumper is mounted, then you can use the internal voltage and adjust it using RV2/RV1. If the jumper is not 4 mounted you must use the external voltage A2/A1. 3 5 Setting of the internal voltage for input A1. 6 Setting of the internal voltage for input A2.
PAGE 12
Software installation & test 20. Demo-software installation • • • Start “Setup.exe”, this software is located at the folder c:\.... From the Velleman Software CD. If the necessary software is not included or if you want to check for updates, you can always download it for free from our Velleman Website www.velleman.be An installation wizard will guide you trough the installation procedure. By default the software is installed in the folder : ‘C:\Program Files\Velleman\K8055’ Fig 2.
PAGE 13
Test procedure 21 Test procedure The included demo software makes it easy to experiment. Start by selecting the address : tick off SK5 and/or SK6 (see address selection). SK5 ON OFF ON OFF SK6 ON ON OFF OFF ADDRESS 0 1 2 3 ATTENTION : Execute these settings before connecting the kit with the computer or before booting the computer. Connect the USB cable. LED LD3 'Power' lights up if the connection has been executed properly.
PAGE 14
Test procedure You can now simulate the inputs via push buttons Inp1 through Inp5. The matching check box remains ticked off as long as you keep one of the push buttons pressed down. Always tick off the check box for the matching output if you wish to test a digital output. You can also conduct this procedure automatically : press the 'output test' button or activate all outputs with the 'Set all digital' button. Press the 'output test' button to test all digital outputs automatically.
PAGE 15
Schematic diagram 22. Schematic diagram.