Wiring An External Sab Bell; Wiring An Internal Sounder - Siemens SPC4000 Installation & Configuration Manual

Wiring the System
7.5

Wiring an External SAB Bell

7.6

Wiring an Internal Sounder

32
Siemens Building Technologies
Fire Safety & Security Products
On an external bell to the SPC Controller board the relay output is wired to the
strobe input with Bell Hold Off (BHO) and Tamper Return (TR) connected to their
respective inputs on the external bell interface.
A resistor (2K2) is pre-fitted on the SPC Controller board between the BHO and TR
terminals. When wiring an external bell, connect this resistor in series from the TR
terminal on the SPC Controller to the TR terminal on the external bell interface. For
further details on wiring connections, consult the installation sheet of the SAB
device.
1 +12V 9 EXt +
2 Gnd
3 COM A Strobe +
4 NO B Strobe -
5 BHO C Hold Off
6 TR D Tamper Return
7 2K2 E Bell -
8 EXT- F Bell +
Fig. 13 External Bell Wiring
To wire an internal sounder to the SPC controller connect the INT+ and INT–
terminals directly to the 12 V Sounder input. Please consult the installation sheet of
the Sounder device for further details on wiring connections.
1 INT - (SPC controller)
2 INT + (SPC controller)
Fig. 14 Internal Sounder Wiring (12 V)
09.2008