Velleman projects K6400 Assembly instructions - Manual (Page 7)

7
Construction
Assembly of the Master module : P6400B
J
on/off function of the key lock.
J1
Fit wire jumper J1 in case you intend to use the on/off function of the
key lock. If you don't fit this wire jumper, then, at the input of the code,
the code lock will only generate a pulse (in general this mode is used
with door locks).
"closed" contact or "open" contact .
NC or NO
Fit wire jumper NC if you intend to use the normally "closed" contact
of the relay, or wire jumper NO if you intend to use the normally "open"
contact of the relay.
ATTENTION : after the relay has been fitted, these wire jumpers are
no longer accessible.
1. Jumpers
R8 : 10 (1 - 0 - 0 - B)
R9 : 220 (2 - 2 - 1 - B)
R10 : 220 (2 - 2 - 1 - B)
R11 : 1K5 (1 - 5 - 2 - B)
3. Resistors
R...
D1 : 1N4148
D2 : 1N4148
D3 : 1N4148
D4 : 1N4148
D5 : 1N4007
For D2 … D4 :
The side with the mark comes
in the smallest hole marked C !
2. Diodes. Watch the polarity!
CATHODE
D...