E2S BExS110D, Инструкция по эксплуатации, Страница: 5 / 16

European Safety Systems Ltd. Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880
Document No. D210-00-001-IS Issue 7 12-09-2022 Sheet 5 of 6
11. AC Wiring
Fig. 4 AC Terminals
12. DC Wiring
Fig. 6 DC Terminals
12.1 Stage Switching Polarity (DC Units Only)
The BExS110D DC sounders have the facility to use ve
or –ve switching to change the tone to the second and third
stages. Negative switching is the default setting. For –ve
switching connect the two headers on the pcb to the left-hand
(marked –ve) and centre pins. For +ve switching connect the
headers to the right hand (ve) and the centre pins.
(Refer to Fig. 7)
Fig. 7 Stage Switching Polarity
12.2 Line Monitoring
On BExS110D DC units, dc reverse line monitoring can be
used if required. All DC sounders have a blocking diode fitted
in their supply input lines. An end of line monitoring diode or
an end of line monitoring resistor can be connected across the
+ve and –ve terminals. If an end of line resistor is used it must
have a minimum resistance value of 3k3Ω and a minimum
power rating of 0.5 watts or a minimum resistance value of
500Ω and a minimum power rating of 2 watts.
The resistor must be connected directly across the +ve and -
ve terminals as shown in the following drawing. The resistor
leads should be kept as short as possible.
Fig. 8 End of Line Resistor Placement
13. Settings
13.1 Tone Settings
The sounders have 32 different tones that can be selected for
the first stage alarm. The sounders can then be switched to
sound second and third stage alarm tones. The tones are
selected by operation of a DIP switch on the pcb for both DC
and AC units. The tone table D210-95-001-IS shows the switch
positions for the 32 tones and which tones are available for the
second and third stages. To operate the sounder on stage one
simply connect the supply voltage to the normal supply
terminals (+ve and –ve for DC units, L and N for AC units).
Refer to wiring schematics D210-06-001 (DC) or D210-06-005
(AC).
Default =
Tone 1
0 0 0 0 0 0
(ON = 1, OFF = 0)
Figure 9: DIP switch configuration
End of Line Resistor
Volume Control
DIP Switch
DC Terminals
Stage Headers
DIP Switch
Volume Control
Stage
Terminals
AC
Terminals
S2
S3
C
N
L
Negative Switching
Positive Switching
A ti t d
Header Pin Location
Header Pin Location
S2
S3
-
+
-
+
-
+