6
Construction
T
his code lock can be used to switch an alarm (e.g. car alarm
K3504) on and off as well as to open a door lock. A LED on the
operation panel reflects the state of the "lock". You can easily
determine the code yourself. Thanks to its reduced dimensions,
this code lock is very well suited to be built into a standard hous-
ing. Its fully closed operation panel allows it to be used inside as
well as outside.
q
SW1...SW9
1. Push buttons
SW...
q
LD1
2. Leds
Watch the polarity !
COLOR= 2...5
LD...
CATHODE
T
he unit consist out of two PCB’s, one is the keyboard
module “P6400S” and the other is the master module “P6400B”.
F
irst we will start with the Keyboard module, then we assemble
the master module.
F
TIP
: The picture on the packaging can be used as a
guideline. However, due to possible changes it is not 100%
reliable.
Construction of P6400S