Wiring Diagrams - Pfannenberg BExCS110-05D-P Instruction Manual

Combined sounder / beacon for use in flammable gas and dust atmospheres
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terminal block is provided on the AC beacon for power. There
are 2-off Live and 2-off Neutral terminals in total.
12.1

Wiring Diagrams

Fig 3a. BExCS110-05D AC Simplified Block Diagram for simul-
taneous operation
Fig 3b. BExCS110-05D AC Simplified Block Diagram for inde-
pendent operation
12.2 Sounder Stage Switching
12.2.1
Units First Stage Tones
Stage one (S1) Operation
12.2.2
AC Units Second and Third Stage Tone Se-
lection
To select the second and third stage tones on the BExCS110 AC
sounder.
Stage two (S2) Operation
Stage three (S3) Operation
Pfannenberg GmbH · Werner Witt-Straße 1 · D-21035 Hamburg · Tel.: 040/7 34 12-0 · www.pfannenberg.com
05/2021
Simply connect the supply
voltage to the L and N supply
terminals, (see fig. 4).
Power L and N, link the Com-
mon-C and S2 terminal.
Dip switch alters stage 2
tone.
Power L and N, link the Com-
mon-C and S3 terminals.
Dip switch alters stage 3
tone.
Volume Control
Fig. 4a Sounder AC Terminals
Interconnecting Terminals
to sounder PCB (simulta-
neous mode of
operation)
L
L
N
N
Flip / Flop
Pin Header
Fig. 4a Beacon AC Terminals
13) DC Wiring
A 4-way terminal block is provided on the DC Sounder. There
are 1-off +ve, 1-off -ve, 1-off stage 2 and 1-off stage 3 terminals
in total.
13.1
Wiring Diagrams
Fig 5a. BExCS110-05D AC Simplified Block Diagram for simul-
taneous operation (negative switching)
Fig 5b. BExCS110-05D AC Simplified Block Diagram for inde-
pendent operation (negative switching)
Page 12 / 16
DIP Switch
Stage Terminals
S2
S3
C
N
L
AC Terminals
30080-014a

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