Siemens K44 Manuel D’Utilisation

K44 Duo is a compact code lock with two relay outputs. This 
makes K44 Duo capable of controlling two doors – or one 
door and an optional function, e.g. a light switch. Either 
a four- or a six-digit code can be used to open connected 
doors. All programming is done from the keypad.

The advantage of using two relay outputs is that two func-
tions can be activated at the same time, using only one 
code. For example, the code can open the lock and turn on 
a light switch at the same time. 

Another setup is to connect the code lock to two doors. 

One code is programmed to operate both doors, while the 
other only opens one of the doors.

If the code is programmed to open both doors, you can 

set K44 Duo so that the other door does not open until 
the first door has been opened and closed (see the Delay 
section).

For each code, choose whether to activate both relay 

outputs, only one or only the other.

K44 Duo offers the possibility to disable codes at certain 
times. For example, the cleaning staff’s access to the build-
ing can be limited to certain hours, while tenants/staff can 
have access to the door 24 hours a day. 

By connecting two time clocks to K44 Duo, three different 

time zones can be used to control the codes: one controlled 
by time clock 1, one controlled by time clock 2 and one that 
is valid 24 hours a day, i.e. no time control.