European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH
www.e2s.com
Tel: +44 (0)208 743 8880
Document No. D157-00-671-IS
Issue 2
06-03-2023
Sheet 9 of 14
13) SIL 2 Wiring configuration and Sounder set-up
Figure 13
–
Terminals and header pins for sounder
Power & Communication with the system control panel can be configured in two ways: - Although it is
highly
recommended that the
unit is wired as stated in this section 15-1 as a 4
–
Wire System.
14) SIL 2 APPROVED TONE SELECTION
GNExS2FDC024-S/GNExS2HDC024-S sounders need to be set to one off the SIL 2 approved tones to work correctly with the
automated sounder check on pattern generation and signal output checks.
Important
: - Only tones use tones that are stated as SIL 2 approved for the SIL 2 application. Ensure that the unit is set to one of
these tones see in Tone Table (D221-95-651-IS).
As factory default the sounder should be set to Stage 1 Dip SW1 to Tone 44 and Stage 2 Dip SW2 to Tone 1.
J3 Header
–
Hard Reset
Shown in factory default position A
(see section 15-4), set to
Normal operation
Sounder Supply Terminals
+
-
J1 Header
–
Current Sense Resistor (CSR)
Shown in factory default position A
(see section 15-3), places SIL TB1 Current
sense resistor in circuit.
J2 Header
–
Fault Resistor (FR)
Shown in factory default position A
(see section 15.3) removes power
supply terminal block. Fault resistor
& relay RLY 1-1out of circuit.
DIP Switch Tone Selection
SIL Relay Terminals TB1
2
1
