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INSTRUCTION MANUAL (ATEX / IECEx / UKEx)

GNExS1FDC024-S

Alarm Horn Sounder

–

SIL2

For use in Flammable Gas Atmospheres

European Safety Systems Ltd.

Impress House, Mansell Road, Acton, London W3 7QH

www.e2s.com

Tel: +44 (0)208 743 8880

Document No. D157-00-651-IS

Issue 1

27-10-2022

Sheet 1 of 14

GNExS1FDC024-S

1) Product Table

Model Number

Nominal

Input Voltage

Voltage Range

Nominal

Input Current

Max.

Current

Sound

Pressure Level

dB(A)

Max*

Nom

.†

GNExS1FDC024-S

24Vdc

20-28Vdc

185mA

221mA

115

110

*Max = Tone 4

†

Nom. = Tone 44

The table shows the input current taken by the various sounders.
The current levels shown above are for the 440Hz Continuous tone @ nominal input voltage.
Nominal current at nominal voltage.
Max rated current at worst case supply voltage.

Table 1: Electrical Ratings.

Ensure the system power supply is capable of providing the maximum current required for all sounders. Review associated cable size,
length and quantity of sounders on each circuit.

1
2
3
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Содержание GNExS1FDC024-S

Страница 1: ...Input Current Max Current Sound Pressure Level dB A Max Nom GNExS1FDC024 S 24Vdc 20 28Vdc 185mA 221mA 115 110 Max Tone 4 Nom Tone 44 The table shows the input current taken by the various sounders The current levels shown above are for the 440Hz Continuous tone nominal input voltage Nominal current at nominal voltage Max rated current at worst case supply voltage Table 1 Electrical Ratings Ensure ...

Страница 2: ...0 C to 70 C Certificate No SIRA 13ATEX1139X IECEx SIR 13 0029X CSAE 21UKEX1558X Epsilon x Equipment Group and Category II 2G CE Marking and Notified Body No 2813 UKCA Marking and Notified Body No 0518 4 Zones Gas Group Category and Temperature Classification The units can be installed in locations with the following conditions Area Classification Zone 1 Explosive gas air mixture likely to occur in...

Страница 3: ... that they have not been damaged during installation Ensure that the O ring seal is in place and undamaged When fitting the flameproof cover ensure the thread is engaged correctly Fully tighten the cover all the way ensure no gap is visible between the cover and base of the sounder enclosure Tighten the M3 grub screw 7 Installation Requirements 7 1 Installation Standards Compliance Warning High vo...

Страница 4: ...ble branching point temperatures may exceed 70ºC at entry point 80ºC at branching point Therefore suitable heat resisting cables and cable glands must be used with a rated service temperature at least as stated in the table below Max Ambient Temperature ºC Model 40 45 50 55 60 65 70 GNExS1F DC024 S 70 75 80 85 90 95 Table 2 Min Ratings of Cables Cable Glands Cable Glands Appropriate cable glands t...

Страница 5: ...red use Negative switching Figure 8 Stage Switching Polarity 8 3 Tone Selection The GNExS Alarm Horn Sounders have 64 different tones that can be selected independently for the first and second stage alarms The tones are selected by operation of the tone setting DIP switch 1 DIP 2witch 2 see figure 6 on the PCB for stage 1 and stage 2 respectively However please see section 14 which outlines the S...

Страница 6: ...hms and a minimum wattage of 2W 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 SIL2 line monitoring module product version see section 19 for standard default values and product coding See document D190 06 651 for associated wiring diagram Figure 10 End of Line Resistor placement Note t...

Страница 7: ... SIL 2 Sounder Unit Monitors Standby mode and Active mode Health status of power supply Sounder correct function and tone pattern The SIL 2 sounder operates as part of a SIL 2 system The sounder will after commissioning remain powered in Standby mode reverse polarity until the sounder is required to operate When the signaling device is required to operate the polarity is changed to normal supply a...

Страница 8: ...equire further investigation please contact your local E2S representative Commissioning System Functional start up of System Normally in reverse polarity mode When Commissioning system the power must not be disrupted to the SIL 2 Unit within the unit s initialization cycle which is 5 seconds Once past this period the SIL 2 system is fully operational and will be in monitoring the sounder and power...

Страница 9: ...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...

Страница 10: ...rom the circuit Note a cable short circuit will not be detectable in this configuration For one unit only Sounder power supply terminal block Current drawn mA Active Mode 190mA Standby Mode 25mA SIL2 TB1 Current Sense Resistor value Current drawn mA 3 3kΩ 7 2mA On fault mode current drops to 0 as circuit goes open Figure 13 Schematic of SIL 2 system wiring for fault detection in standby and active...

Страница 11: ... SIL 2 alarm horn sounders are to be cabled in series the monitoring connections differ from that of a single alarm horn sounder For more information see manual D197 00 651 IS available from the E2S website I Total Current drawn IFR Current drawn from Fault Resistor IEOL Current drawn from Customer EOL resistor ISIL Current drawn from SIL board INF Standby Mode Total Current drawn No Fault IFR 0mA...

Страница 12: ...tion B pins 2 3 linked Places power supply terminal Fault resistor RLY 1 2 in circuit As used in 2 Wire Configuration Figure 16 J2 Header pin positions Fault Resistor FR 15 4 SIL 2 Hard Reset Function Power down the unit completely for a minimum of 30 seconds Move the hard reset header pin Jumper J3 to reset position B shown Then power the unit for a minimum of 5 seconds Power down the unit for 30...

Страница 13: ...und output despite no input GNExS1FDC024 S Failure to Sound Integrity in respect of failure to release SIL 2 Total Failure rate 0 447 pmh hazardous failure rate revealed 0 443 pmh hazardous failure rate unrevealed 0 004 pmh safe failure rate revealed 0 002 pmh safe failure rate unrevealed 0 Diagnostic Coverage 99 System type B Hardware Fault Tolerance 0 Safe Failure Fraction 99 PFD hazardous failu...

Страница 14: ...values of resistors available are shown in table 6 below Code Resistor Value Default resistor coding as follows GNExS1FDC024AB1S1R AFZ Example of a custom requirement resistor coding GNExS1FDC024AB1S1R GEF Where the FR Fault Resistor is G 3 9 kΩ CSR Current Sense Resistor is E 2 7 kΩ EOL End Of Line resistor is F 3 3 kΩ A 2 2 kΩ B 1 0 kΩ C 1 5 kΩ D 1 8 kΩ E 2 7 kΩ F 3 3 kΩ G 3 9 kΩ H 4 7 kΩ J 5 6 ...

Страница 15: ...0 0 1 0 0 1 0 1 1 0 0 1 0 0 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 1 1 0 1 0 1 1 0 1 1 0 0 0 1 1 1 0 0 1 1 1 1 0 0 0 0 0 0 1 0 1 0 0 0 1 1 1 0 0 0 1 0 0 1 0 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 1 1 0 0 1 0 0 0 1 0 1 0 1 0 1 0 1 1 0 1 1 0 1 0 1 1 1 0 1 1 1 1 1 0 1 0 0 0 0 1 1 1 0 0 0 1 1 0 1 0 0 1 1 1 1 0 0 1 1 0 0 1 0 1 1 1 0 1 0 1 1 0 1 1 0 1 1 1 1 1 0 1 1 0 0 0 1 1 1 1 0 0 1 1 1 0 1 0 1 1 1 1 1 0 1 1 1 0 ...

Страница 16: ...ve OUT Common ve IN Common ve OUT Stage 2 ve Stage 1 ve IN Stage 1 ve OUT Common ve IN Common ve OUT Stage 2 ve Stage 3 ve EOL EOL S2 EOL S2 S3 Stage 1 ve IN Stage 1 ve OUT Stage 1 ve IN Stage 1 ve OUT Single Stage Configuration Config 1a Line Monitoring Set to positive switching default Stage 1 Apply Power to Stage 1 ve Stage 1 ve For full 4 Wire SIL 2 Connection Monitor SIL 2 ve and SIL 2 ve Ter...

Страница 17: ...S NTS SWITCHES FOR STAGE OPERATION CUSTOMER SUPPLIED Stage 2 ve Common ve IN Common ve OUT Stage 1 ve OUT Stage 3 ve Stage 1 ve IN H2 H1 OF 2 2 EOL S2 S3 OPTIONAL LINE MONITORING RESISTOR CUSTOMER SUPPLIED EOL Set H1 H2 to ve switching Three Four Stages Voltage Free 2nd 3rd 4th Stage Activation Configuration Config 2 Common Positive Customer Set H1 H2 to Negative Switching See Below Stage 1 Apply ...

Страница 18: ...dy No 2813 CSA Group Netherlands B V Utrechtseweg 310 6812 AR Arnhem Netherlands Quality Assurance Notification Module D SIRA 05 ATEX M342 Provisions fulfilled by the equipment II 2G Ex db IIB or IIC T3 T4 T5 or T6 Gb Standards applied EN 60079 0 2018 EN 60079 1 2014 A C 2018 Directive 2014 30 EU Electromagnetic Compatibility Directive EMC Standards applied EN 61000 6 1 2007 EN 61000 6 2 2005 EN 6...

Страница 19: ...ate and Place of Issue London 23 12 2020 EU Declaration of Conformity On behalf of European Safety Systems Ltd I declare that on the date the equipment accompanied by this declaration is placed on the market the equipment conforms with all technical and regulatory requirements of the above listed directives regulations and standards This Declaration is issued under the sole responsibility of the m...

Страница 20: ...uipment II 2G Ex db IIB or IIC T3 T4 T5 or T6 Gb Standards applied EN 60079 0 2018 EN 60079 1 2014 A C 2018 Directive 2014 30 EU Electromagnetic Compatibility Directive EMC Standards applied EN 61000 6 1 2007 EN 61000 6 2 2005 EN 61000 6 3 2007 A1 2011 AC 2012 EN 61000 6 4 2007 A1 2011 Directive 2011 65 EU Restriction of the use of certain hazardous substances in electrical and electronic equipmen...

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