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Velleman K8045 Manual

Manual is about: 8 Input programmable messageboard with LCD & serial interface

Summary of K8045

  • Page 1

    Modifications reserved features : add an lcd display to any low-tech application and make it look high-tech ! Replace up to 9 indicators or lamps by one single backlit lcd. Recall messages simply by pressing a button. Inputs accept dry contacts, open collectors and logic levels. No programming skill...

  • Page 2

    2 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 ...

  • Page 3

    3 assembly hints 1.3 soldering hints : 1- mount the component against the pcb surface and carefully solder the leads 2- make sure the solderjoints are cone-shaped and shiny 3- trim excess leads as close as possible to the sol- der joint remove them from the tape one at a time ! Axial components are ...

  • Page 4

    4 c o l o r = 2 … 5 color= 2...5 color code table i p e sf s dk n d gb f nl c o d e codice colore codigo de cores codigo de col- ores vÄri koodi fÄrg schema farve- kode farge- kode farb kode colour code codifi- cation des cou- leurs kleur kode c o d e 0 nero preto negro musta svart sort sort schwarz...

  • Page 5

    5 construction j1 j2 j3 1. Jumperwire d1 : 1n4007 d2 : 1n4007 d3 : 1n4148 d4 : 1n4148 d5 : 1n4148 d6 : 1n4148 d7 : 1n4148 d8 : 1n4148 d9 : 1n4148 d10 : 1n4148 2. Diodes (check the polarity) cathode d... C2 : 100nf (104) c3 : 100nf (104) c4 : 100nf (104) c5 : 100nf (104) c7 : 15pf (15) c8 : 15pf (15)...

  • Page 6

    6 construction sw2 sw3 7. Push buttons r6 : 1k (1 - 0 - 2 - b) r9 : 1k (1 - 0 - 2 - b) r12 : 1k (1 - 0 - 2 - b) r15 : 1k (1 - 0 - 2 - b) r18 : 1k (1 - 0 - 2 - b) r21 : 1k (1 - 0 - 2 - b) r24 : 1k (1 - 0 - 2 - b) r27 : 1k (1 - 0 - 2 - b) 12. 1/4w resistors (check the color code) r... T1 : bc557 t2 : ...

  • Page 7

    7 construction sk3 : 3p 14. Header sk2 15. Dc-jack sk5 : sub-d 9p female 16. Sub-d connector c6 : 10µf c1 : 220µf/35v 17. Electrolytic capacitors c... X1 : 4mhz 18. Quartz chrystal x... Ic1 : vk8045 (pic16c57) ic2 : 24c02a 19. Ic’s rs232 cable operation wireless link 20. Shunt selection rf ca bl e 1...

  • Page 8

    8 lcd assembling cut the 20 pole connector to a 16 pole connector. Mount the 16 pole female connector. (see fig. 2.0) mount 2x 6 pole male connectors. Pay attention : the four center connections of the lcd remain unused. Make sure that the longest pins aim towards the main pcb. (see fig. 3.0) 21. Lc...

  • Page 9

    9 assembly fit the display at the component side of the base pcb using four m2,5 bolts to- gether with four 15mm spacers. Fix the display using four m2,5 bolts at the sol- der side of the base pcb and check that the display is at right angles to the base pcb. Now you can solder the pinheader. 22. As...

  • Page 10

    10 1. Hook-up when using an adapter : 2. Hook-up when using a transformer connection 23. Connection l n transformer k8045 sw3 gnd 8 7 6 5 4 3 2 1 vb va gnd 2 x 9vac/150ma 120 - 220 vac fuse : 250ma t 9 –12vdc / 150ma.

  • Page 11

    11 how to construct an rs232 cable : or you can buy a pre-assembled cable. Careful : this is not a null-modem cable how to establish a wireless link : wireless data transfer between the pc/terminal and the k8045 is possible by means of optional rf transmitter/receiver modules (velleman part# tx433/ ...

  • Page 12

    12 turn rv1 (contrast) fully anti-clockwise. Set dipswitches sw1 (mode) to the ‘off’-position. Set jumper sk3 for ‘cable’-operation but do not connect a serial cable connect the supplied wired female connector to sk8 apply power (for power requirements, see pag. 10) the lcd should initialise and the...

  • Page 13

    13 the k8045 can store 9 sixteen-character messages, 1 for each input and a 9th which is displayed when no inputs are active. Briefly press sw2 ‘prog’ to enter program mode the display shows ‘input 1...9 / s / q : ‘ and a flashing cursor to enter a message for input 1 : type ‘1’ ‘enter’ the unit now...

  • Page 14

    14 the k8045 features 4 operating modes, selectable with dipswitch sw1. To ensure correct operation, disconnect power before changing dipswitch position. (program mode can be selected at all times, no need to disconnect power) 1) display the status of all inputs simultaneously 2) display all active ...

  • Page 15

    15 options : rf wireless link : ......................................................................... Rx433/tx433 hq supertwist lcd display : ......................................................... Lcd1601asl application examples : 1. Home alarm system : let your alarm system tell you what sen...

  • Page 16

    16 3. Application with k8023 “two wire 10-channel remote control” 1 2 ... 1 5 v in + vt x 1 2 3 4 10 + ve x t 9 8 7 6 5 gnd gnd va vb 1 2 3 4 5 6 7 8 gnd gnd - co m + vt x 1 2 3 4 5 6 7 8 9 10 12v / 300m a k 8 045 p 8 023s p 8023r k 8023 - vt x 2 x 9 v a c / 150m a options & examples.

  • Page 17: Pcb

    17 pcb & diagrams.

  • Page 18

    18 pcb pcb.

  • Page 19

    19 diagrams diagram.

  • Page 20

    Velleman components nv legen heirweg 33 9890 gavere belgium europe info & support: www.Velleman.Be modifications and typographical errors reserved © velleman components nv h8045ip - 2002 - ed1.