Pfannenberg PA 1 Instructions D'utilisation Et De Montage page 9

Terminal for operating voltage - Sounder-beacon combination:
X4
+N
C1
C1
C2
X2
C2
Common connection of
beacon and sounder
(Delivery status)
The desired tone can be selected using the tone selector switch S3 on the driver circuit board. The available tones
are described in the tone table in the appendix.
After establishing the supply voltage, the tone is generated.
Driver circuit board of sounder (located in the upper section):
AC-Version
S1A
S1B
S1B
Selection of polarity of
the control voltage for
C1 and C2
S1A
Bridging of
blocking diode
085 501 944t
Plug from beacon circuit board
X3
-L
-L +N
-L
+N
Sounder and Beacon
Connection for
Operating voltage
Volume control
Note:
To be EN54-3 compliant, the
volume control has to be set to
the maximum position.
Tone selector
switch
S3
X2
Diode not bridged
Negative polarity
Factory setting
Diode not bridged
Positive polarity
Diode bridged
Negative polarity
Diode bridged
Positive polarity
30303-004t
Plug from beacon circuit board
X3
X4
-L
+N
-L
-L
+N
+N
C1
C1
C2
C2
Operating voltage
for the sounder
Separate connection of
beacon and sounder
DC-Version
Operating voltage
for the beacon
L
+
N
S3
9