Pfannenberg PA X 1-05 Betriebsanleitung Seite 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):
DC-Version
S1
S1
(Bridging of
blocking diode)
closed open
985 501 000
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.
S3
S2
+
-
(Selection of polarity of the
control voltage for C1 and C2)
Factory setting
X2
Tone selector switch
S2
Caution:
Position of the switch
S2 only with "-" or "+".
+
"Open" position is not
permitted and leads to
malfunction.
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
AC-Version
Operating voltage
for the beacon
L
+
N
S3
9