Pfannenberg PYRA Serie Betriebsanleitung Seite 15

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6.4 Setting the flash frequency
The flash frequency is set using the S1 switch on the board in the lens, see table below.
Synchronicity:
The devices comply with the requirements of EN54-23 (synchronous operation).
Note: The devices must be operated with the same potential to ensure synchronous operation.
S1
AC version
*
* Factory setting
6.5 Setting the tone types (PY X-LA-15)
S1 switch setting on the connection board should be as follows:
Sawtooth
DIN 33404-3
2
(emergency sig-
nal)
PFEER PTAP
Slow whoop
9
Fire alarm
UK BS5839-1
Alternating tone
UK BS5839-1,
131
Level crossing fire
alarm
Continuous tone
160
(horn)
* Factory setting
09/2023
Operating Instructions PY X-L-15/ PY X-LA-15
1 Hz 0.75 Hz
S1
0.5 Hz 0.1 Hz
161
Continuous tone
162
Interrupted tone
163
Interrupted tone
164
Slow whoop
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DC version
*
086200004a