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_______________________________________________________________________________________________________________________________ 

European Safety Systems Ltd.

   Impress House, Mansell Road, Acton, London W3 7QH           [email protected]              Tel: +44 (0)208 743 8880 

                                                                                                                                                            www.e-2-s.com              Fax: +44 (0)208 740 4200 
Document No.D210-00-601-IS 

Issue 2        24-08-16                         Sheet 1 of 8

 

                                                           

INSTRUCTION MANUAL (ATEX / IECEx) 

BExCS110-05D-P and BExCS110-05D-R-P Combined Sounder 

/ Beacon For use in Flammable Gas and Dust Atmospheres

 

 

 

 

 

 

 

1) Warnings 

 DO NOT OPEN WHEN AN EXPLOSIVE 

ATMOSPHERE IS PRESENT 

 DO NOT OPEN WHEN ENERGIZED 

 POTENTIAL ELECTROSTATIC CHARGING 

HAZARD 

 COVER BOLTS CLASS A4-80 

 USE HEAT RESISTING CABLES AND CABLE 

GLANDS (RATED 110°C) AT AMB. 
TEMPERATURES OVER 40°C 

 

2)  Rating & Marking Information 

 

All units have a rating label, which carries the following 
important information:- 

 

Model No.:

  

BExCS110-05D-P or BExCS110-05D-R-P 

 

Input Voltage:

     DC Units    12V or 24V or 48V 

              AC Units    115V or 230V 

 

BExCS110-05D-P or BExCS110-05D-R-P Codes:  

Ex d IIB T5 Gb Ta. -50°C to +40°C 
Ex d IIB T4 Gb Ta. -50°C to +70°C 
Ex tb IIIC T110°C Db Ta. -50°C to +55°C 
Ex tb IIIC T125°C Db Ta. -50°C to +70°C 

 

Certificate No.

    KEMA 01ATEX2223X 

  IECEx 

KEM 

10.0025X 

 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

The units can be installed in locations with the following 
conditions: 

 

Area Classification Gas: 

Zone 1 

Explosive gas air mixture likely to occur in 
normal operation. 

Zone 2 

Explosive gas atmosphere not likely to 
occur in normal operation but may be 
present for short periods. 

 

Gas Groupings: 

Group IIA 

Propane 

Group IIB 

Ethylene 

Group IIC 

Hydrogen and Acetylene 

 

Temperature Classification: 

T1 450ºC 

 

T2 300ºC 
T3 200ºC 
T4 135ºC 
T5 

100ºC (up to 40

°C

 ambient) 

 

Area Classification Dust: 

Zone 21 

Explosive dust air mixture likely to occur in 
normal operation. 

Zone 22 

Explosive dust air mixture not likely to 
occur in normal operation, and if it does, it 
will only exist for a short time. 

 

Dust Groupings: 

Group IIIA 

Combustible Dusts 

Group IIIB 

Non-Conductive Dust 

Group IIIC 

Conductive Dust 

 

Maximum Surface Temperature for Dust Applications: 

110ºC at +55 ºC ambient 

125 ºC at +70 ºC ambient 

 

IP Rating:  

IP66/67 to EN/IEC60529 and IP6X to 
EN/IEC60079-0, EN/IEC60079-31 

 

Equipment Category:

 

2G / 2D 

 

Equipment Protection Level:

 

Gb / Db 

 

Ambient Temperature Range:

 

-50°C to +70°C Gas Groups IIA and IIB 

-50°C to +70°C Dust Groups IIIA, IIIB and IIIC 

0518 

II  2G 
II  2D 

Epsilon x 
Equipment Group and 
Category: 

CE Marking 
Notified Body No. 

BExCS110-05D-P 

BExCS110-05D-R-P 

Summary of Contents for BExCS110-05D-PAC230

Page 1: ...Ta 50 C to 70 C Certificate No KEMA 01ATEX2223X IECEx KEM 10 0025X The units can be installed in locations with the following conditions Area Classification Gas Zone 1 Explosive gas air mixture likely to occur in normal operation Zone 2 Explosive gas atmosphere not likely to occur in normal operation but may be present for short periods Gas Groupings Group IIA Propane Group IIB Ethylene Group IIC ...

Page 2: ...ocation of the combined sounder beacon should be made with due regard to the area over which the warning signal must be visible They should only be fixed to services that can carry the weight of the unit The BEx combined sounder beacon should be secured to any flat surface using the three 7mm fixing holes on the stainless steel U shaped mounting bracket See Figure 1 The required angle can be achie...

Page 3: ...er beacon range can be supplied with the following types of adapters M20 to NPT M20 to NPT M20 to M25 It is important to note that stopping plugs cannot be fitted onto adapters only directly onto the M20 entries Any other adapters used must be suitably rated and ATEX IECEx certified adapters 10 Earthing Both AC and DC combined sounder beacon units must be connected to an earth The units are provid...

Page 4: ...12 1 Wiring Diagrams Fig 3a BExCS110 05D AC Simplified Block Diagram for simultaneous operation Fig 3b BExCS110 05D AC Simplified Block Diagram for independent operation 12 2 Sounder Stage Switching 12 2 1 Units First Stage Tones Stage one S1 Operation Simply connect the supply voltage to the L and N supply terminals see fig 4 12 2 2 AC Units Second and Third Stage Tone Selection To select the sec...

Page 5: ...the S3 terminal Dip switch alters stage 3 tone For units set up for ve switching refer to 13 3 Stage two S2 Operation Power ve and ve link a ve supply line to the S2 terminal Dip switch alters stage 2 tone Stage three S3 Operation Power ve and ve link a ve supply line to the S3 terminal Dip switch alters stage 3 tone Fig 6a DC Terminals Fig 6b Beacon DC Terminals 13 3 Stage Switching Polarity DC U...

Page 6: ...unit should be used to link the supply from the interconnecting terminals on the beacon board down to the supply terminals on the sounder board 15 Settings 15 1 Tone Selection 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...

Page 7: ...3 Cover and Guard Fixtures 17 Maintenance Overhaul Repair Maintenance repair and overhaul of the equipment should only be carried out by suitably qualified personnel in accordance with the current relevant standards EN60079 19 IEC60079 19 Explosive atmospheres Equipment repair overhaul and reclamation EN 60079 17 IEC60079 17 Explosive atmospheres Electrical installations inspection and maintenance...

Page 8: ... 1 0 Tone 31 Tone 1 12 Alternating 800 1000Hz at 0 875Hz 1 1 0 1 0 Tone 4 Tone 5 13 Intermittent 2400Hz at 1Hz 0 0 1 1 0 Tone 15 Tone 5 14 Intermittent 800Hz 0 25s on 1s off 1 0 1 1 0 Tone 4 Tone 5 15 Continuous at 800Hz 0 1 1 1 0 Tone 2 Tone 5 16 Intermittent 660Hz 150mS on 150mS off 1 1 1 1 0 Tone 18 Tone 5 17 Alternating 544Hz 100mS 440Hz 400mS 0 0 0 0 1 Tone 2 Tone 27 18 Intermittent 660Hz 1 8...

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