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E2S STExS1RDC024-S Instruction Manual

Alarm horn sounder-sil2 for use in flammable gas and dust atmospheres
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INSTRUCTION MANUAL
STExS1FDC024-S & STExS1RDC024-S
Alarm Horn Sounder – SIL2
For use in Flammable Gas and Dust Atmospheres
1) Product Table
Standards
Model Number
ATEX /
STExS1FDC024-S
IECEx /
UKEx /
STExS1RDC024-S
NEC / CEC
*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 beacons. Review associated cable size,
length and quantity of beacons on each circuit.
E2S Warning Signals
Impress House, Mansell Road, Acton, London W3 7QH
Document No. D199-00-651-IS
STExS1RDC024-S
Nominal
Nominal
Input Voltage
Input Current
24Vdc
185mA
24Vdc
185mA
Issue 3
06-03-2023
STExS1FDC024-S
Voltage Range
20-28Vdc
20-28Vdc
www.e2s.com
Sound
Pressure Level
Max.
dB(A)
Current
Max*
Nom
221mA
115
110
221mA
110
105
Tel: +44 (0)208 743 8880
Sheet 1 of 15
.†

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Summary of Contents for E2S STExS1RDC024-S

  • Page 1 INSTRUCTION MANUAL STExS1FDC024-S & STExS1RDC024-S Alarm Horn Sounder – SIL2 For use in Flammable Gas and Dust Atmospheres STExS1RDC024-S STExS1FDC024-S 1) Product Table Sound Pressure Level Nominal Nominal Max. Standards Model Number Voltage Range dB(A) Input Voltage Input Current Current .†...
  • Page 2 All units have a rating label, which carries the following Flameproof Enclosures 'd' important information. Ratings Products may have further approvals, see E2S website for STEx: Class 1 Zone 1 AEx db IIC T5 Gb Ta -50°C to further details.

  • Page 3: Special Conditions For Safe Use

    6) Product Mounting and Access 100ºC 6.1. Location and Mounting 85ºC (STExS1FDC024-S/STExS1RDC024-S up to The sounder should be secured to any flat surface using the 65ºC ambient) three 7mm fixing holes (see figure 2). The angle can then be adjusted as required but the mounting restrictions must be...
  • Page 4 Figure 5: STExS1 Entries and Terminal Block Location. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No.
  • Page 5 For combustible dust applications, the cable entry device and blanking elements shall be in type of explosion protection and shall have an IP 6X rating. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No.

  • Page 6: Tone Selection

    Following table (Table 4) is a summary of the wiring options. NOTE: Max supply is 28V DC – if higher DC voltage is required, use Negative switching. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No.

  • Page 7: Maintenance, Overhaul And Repair

    Note that the maximum forward polarity monitoring voltage is 6V. A monitoring voltage greater than 6V may activate the alarm horn sounder and the 2nd, 3rd or 4th stages. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No.
  • Page 8 Active mode. Power relay RLY1-1 will be open whilst SIL 2 relay RLY1-2 will be closed contact between terminals 1 & 2. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com Tel: +44 (0)208 743 8880 Document No.
  • Page 9 If the hard reset process does not correct the latched fault the alarm horn sounder may require further investigation, please contact your local E2S representative. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com...
  • Page 10 15-1 as a 4 – Wire System. 14) SIL 2 APPROVED TONE SELECTION STExS1FDC024-S/STExS1RDC024-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.
  • Page 11 If multiple 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. 15-2) SIL 2 system wiring for fault detection in standby mode only – 2 wire installation Cabling is required to the positive '+' and negative '-' power input terminals only.
  • Page 12 Table 5: Resistor combinations and the currents drawn when no faults and faults occur If multiple 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. E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH www.e2s.com...
  • Page 13 The unit has now been reset. If the hard reset process does not correct the latched fault the alarm horn sounder may require further investigation, please contact your local E2S representative. J3 Header Pin - Position A Factory default position (pins 2 & 3 linked) Hard Reset Function disabled –...
  • Page 14 Safe Failure Fraction >99% PFD (hazardous failure) 3.3 x 10 Proof Test Interval Up to 1 year STExS1FDC024-S/STExS1RDC024-S (Failure to Sound or Incorrect tone) Integrity in respect of failure to SIL 2 release Total Failure rate 0.464 pmh “hazardous” failure rate (revealed) 0.455 pmh...
  • Page 15 The alternative 2-wire configuration requires an EOL resistor to be fitted. The EOL resistor can be specified during ordering and factory fitted or selected and fitted during the alarm horn sounder installation. See section 9 for EOL resistor location and wattage requirements. E2S recommends a value of 2.2K Ohm. If an alternative value is required, please see section 15-2.

  • Page 19: Eu Declaration Of Conformity

    Notified Body No.: 0539  Borupvang 5A, 2750 Ballerup, Denmark  EU‐type Examination Certificate (Module B):  DEMKO 16ATEX1466X  Notified Body for Quality Assurance Notification / Conformity to EU‐type  Sira Certification Service  based on  Notified Body No.: 2813   quality assurance of the production process (Module D):  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 IIC T6…T3 Gb  II 2D Ex tb IIIC T82°C…T137°C Db  IP6X Dust Protection to EN60079‐0 / EN60079‐31  Standards applied:  EN IEC 60079‐0: 2018  EN 60079‐1: 2014  EN 60079‐31: 2014  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 equipment (RoHS)  The product and all the components contained within it are in accordance with the restriction of the use of hazardous substances in electrical and electronic    equipment, including amendment by Directive 2015/863/EU. Regulation (EC) 1907/2006: Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)  The product and all the components contained within it are free from substances of very high concern.  Other Standards and Regulations  EN 60529:1991 / A1:2000 / A2:2013 ‐ Degrees of protection provided by enclosures (IP code) – enclosure rated IP66          E2S Telephone: +44 (0)20 8743 8880 Fax: +44 (0)20 8740 4200 Email: sales@e2s.com www.e2s.com  DC‐070_Issue_G (STEx).docx ‐ Page 1 of 2 ‐ QAF_252_Issue_5...
  • Page 20     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 manufacturer.        Martin Streetz  Document No.:  DC‐070_Issue_G  Quality Assurance Manager  Date and Place of Issue:  London, 03/12/2021    E2S Telephone: +44 (0)20 8743 8880 Fax: +44 (0)20 8740 4200 Email: sales@e2s.com www.e2s.com  DC‐070_Issue_G (STEx).docx ‐ Page 2 of 2 ‐ QAF_252_Issue_5...
  • Page 21 Unit 1‐3 Horizon Kingsland Business Park, Wade Road,  Basingstoke, Hampshire RG24 8AH UK  UK‐type Examination Certificate (Module B):  UL21UKEX2019X  Notified Body for Quality Assurance Notification / Conformity to EU‐type  Sira Certification Service  based on  Notified Body No.: 0518  quality assurance of the production process (Module D):  Rake Lane, Eccleston, Chester CH4 9JN, UK  Quality Assurance Notification (Module D):  CSAE 22UKQAN0046  Provisions fulfilled by the equipment:  II 2G Ex db IIC T6…T3 Gb  II 2D Ex tb IIIC T85°C…T137°C Db  IP6X Dust Protection to EN60079‐0 / EN60079‐31  Standards applied:  EN IEC 60079‐0: 2018  EN 60079‐1: 2014  EN 60079‐31: 2014  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 equipment (RoHS)  The product and all the components contained within it are in accordance with the restriction of the use of hazardous substances in electrical and electronic    equipment, including amendment by Directive 2015/863/EU. Regulation (EC) 1907/2006: Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)  The product and all the components contained within it are free from substances of very high concern.  Other Standards and Regulations  EN 60529:1991 / A1:2000 / A2:2013 ‐ Degrees of protection provided by enclosures (IP code) – enclosure rated IP66          E2S Telephone: +44 (0)20 8743 8880 Fax: +44 (0)20 8740 4200 Email: sales@e2s.com www.e2s.com  DC‐100_Issue_A (STEx)‐ Page 1 of 2 ‐ QAF_252_Issue_5...
  • Page 22     UKCA 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 manufacturer.        Martin Streetz  Document No.:  DC‐100_Issue_A  Quality Assurance Manager  Date and Place of Issue:  London, 24/02/2022    E2S Telephone: +44 (0)20 8743 8880 Fax: +44 (0)20 8740 4200 Email: sales@e2s.com www.e2s.com  DC‐100_Issue_A (STEx) ‐ Page 2 of 2 ‐ QAF_252_Issue_5...
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