2N Home intercom 2N Helios - Secondary switch with dep.button funcion, 1977 v1 - Příručka (Stránka 2)

Configuration
By using the connectors (jumpers-are included) it is possible to set on what kind of event
should departure switch react by closing or opening its contacts. The departure switch can
react to three different events: dep. switch on/off from the SWITCH 1, dep. switch on/off
from the SWITCH 2 and pick up/hang up the telephone line (means beginning and end of
the call).
The dep. switch contacts are available both normally open (between clips NO and C) as
well as normally closed (between clips C and NC). NC and NO in this case refers to the
contact state.
Example 1 – dep. switch operation by using password for SWITCH 2:
Switching on and off is set to SWITCH 2. Dep. switch will close after
receiving password for SWITCH 2 (parameter 821) and open after the
switching time for SWITCH 2 (parameter 823) will elapse. In case of setting
parameter 824 to non-zero value, will be also synchronized with SWITCH 1
(explained in the communicator manual).
OFF
SWITCH
2
SWITCH
1
SWITCH
1
SWITCH
2
ON
OFF SPEAK SPEAK
NO
C
NC