Pfannenberg PATROL PA X 20 Series - Manual (Page 10)

085 501 946j 30305-004j 10
Change of the tones by external control
For applications which require more tones than just the base tone, it is possible to provide up to three additional
tone types with the use of the following electrical controls.
As a basic rule, the desired base tone (
♪ , see tone table in the appendix) is set with the tone selector switch S3 on
the driver board. The corresponding additional tones (C1, C2, C1+C2) can be gathered from the table "Selection of
the tones".
Tone selection with control input (TAS)
DC-Version:
When used with correct polarity, the tone selection
takes place through the control inputs C1 and C2 on
the circuit board. In the process, the supply voltage
must always be applied together with the two con-
trol inputs. Setting of switch S2 in position
“with rectifier”
= with reverse polarity protection.
The selection of the polarity of the control voltage
("+" or "-") takes place with the switch S1 on the
driver board.
"+": positive control
"-": negative control (factory setting)
Caution: If the control voltage is greater than the sup-
ply voltage or the supply voltage is not applied, the
operating current supply is provided through the control
inputs. A corresponding load capacity must then be
guaranteed.
AC-version:
In the AC version the tone selection takes place by
connecting the phase "L" of the supply voltage to the
control inputs C1 and C2. In the process, the supply
voltage must always be applied together with the two
control inputs.
Tone selection with supply through control input (TAV) - for all DC versions
The sounder can be supplied with operating voltage through the control inputs C1 and C2 on the circuit board.
Supply and tone selection thus take place simultaneously.
The minus pole of the sounder must be connected. With connection of the positive voltage to the plus pole of the
circuit board, the base tone (
♪) is generated; with connection to C1 or C2 the corresponding tone is selected.
With simultaneous connection of the positive voltage to C1 and C2 the tone "C1+C2" is selected.
The switch S1 on the driver board must be set to "+".
C2
C1
C2
C1
+
X2
Tone C1
Tone C2
+N
-L
-
+
+ Base tone
+N
-L
+
C2
C1
C2
C1
X2
Tone "C1+C2"
-
+
Base tone
+N
-L
+N
-L
Tone selection through pole reversal (TAR) - for all DC versions except for option -SSM
If the switch S2 on the driver board is in the position "without reverse polarity protection = without rectifier", the
tone "C1+C2" can be selected in addition to the base tone through pole reversal. The switch S1 must be set to "+".
The control inputs C1 and C2 may not be switched on the circuit board.
-L
-
+ C2
C1
C2
C1
X2
+N
Base tone
+N
-L
X2
Tone "C1+C2"
-
+
C2
C1
C2
C1
+N
-L
+N
-L
+
positive
S1
DC-Version
+
positive
S1
or
+
positive
S1
negative
S1
+N
X2
+N
-L
-L
C2
C1
C2
C1
Tone C1
Tone C2
Example for DC “–“ -control
S2
(with rectifier)
Factory setting
polarity protection
with reverse
S2
(with rectifier)
Factory setting
polarity protection
with reverse
S2
(without rectifier)
polarity protection
without reverse