Velleman-projects K6400 Assembly instructions Bedienungsanleitung PDF herunterladen (Seite 5)

Construction

Assembly of the keyboard module : P6400S

The four code digits are determined by fitting wire jumpers, see figure 1.0.

Drawing 2 shows the connections for code 1234 as an example.

 Attention : the wire jumpers that build the code must be as close

to the pcb as possible, because otherwise they will touch the

aluminium front panel!

The code sequence is determined by connecting the lines A,

respectively B, C and D to the connecting terminals (keys 1 through 9)

at the inside of the pcb, where line A is the first code, B the second

code and so on. The unused keys (normally 5) are connected to line N.

3. Determining the code

 SW1

 SW2

 SW3

 SW4

 SW5

 SW6

 SW7

 SW8

 SW9

 LD1

2. Led’s. Watch the polarity!

LD1

CATHODE

CODE 1234

SW1

SW2

SW3

SW4

SW5

SW6

SW7

SW8

SW9SW9

SW8

SW7

SW6

SW5

SW4

SW3

SW2

SW1

P6400S

NABDC

CD BAN

P6400S

SW1

SW2

SW3

SW4

SW5

SW6

SW7

SW8

SW9 SW9

SW8

SW7

SW6

SW5

SW4

SW3

SW2

SW1

Fig. 2

Fig. 1

1. Push button

1 2 3 4 5 6 7 8 9 10 11 12

Code lock 1
RECT MOUNTING SEQUENCE ! 4
4. Preparation 6
1. Jumpers 7
3. Resistors 7
Final Assembly 9
Test & usage 10
Building in 10
Schematic diagram & PCB 11

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