Operating Instructions Intrinsically Safe Sounder
Contents
1. 02ATEX0074 using single tone Uo 24 2V lo 107 Po 0 65W RTK WIS1211 WIS1214 BAS99ATEX7065 12V IIC 15V60R RTK S937POS Baseefa02ATEX0074 using single tone 12V IIB RTK S937POS Baseefa02ATEX0074 using single tone 24V IIC 15V60R RTK S954S or Baseefa02ATEX0074 RTK S953POS LR90 Line Reversing module RTK S954S or RTK S953POS LR90 Line Reversing module RTK S934AC 28V300R 28V300R using dual tone 24V IIB Baseefa02ATEX0074 using dual tone 28V300R 28V300R 12V IIC 15V100R 15V100R Baseefa02ATEX0074 using dual tone 12V IIB 15V100R 15V100R RTK S934AC Baseefa02ATEX0074 using dual tone Table 3 Certification BASEEFA certification to EN 50014 and EN 50020 Gas Groups IIC and IIB T4 Certificate No BASOOATEX1260 Certificates available on request a Page 4 of 7 DB 7 Rev 4 Manufacturers of KSUR Ey Alarm Annunciators and Systems x Sequential Event Recorders x Display Facias x Hazardous Area Interface Alarm and Display Products x Signal Conditioning amp Trip Amplifiers x Process Instrumentation SUTE O S gt k w A T i a gt Noo 2 COMPANION COMPANY amp ISO 9001 FM 14290 ppu RTK Instruments Limited Telephone 44 0 1423 580500 i i I lt St James Business Park Facsimile 44 0 1423 580501 Knaresborough North Yorkshire Web www rtkinstruments com England HG5 8PJ Email enquiry rtkinstruments com INSTRUMENTS Dimensional Det2. Telephone 44 0 1423 580500 Facsimile 44 0 1423 580501 Web www rtkinstruments com Email enquiry rtkinstruments com RTK Instruments Limited St James Business Park Knaresborough North Yorkshire England HG5 8PJ RK Operating Instructions INSTRUMENTS Intrinsically Safe Sounder Type DB7 Description The DB7 Sounder is a strong lightweight warning sounder BASEEFA certified EExia IIC and IIB with 26 user selectable tones and an output level of 104dB A or 107dB A IIB Connection Details Q Q Q Q 1 2 2 VE IS IS N C VE E NC NC WARNING Without I S Device connect supply to 1 VE amp VE With I S Device connect supply to 2 I S amp VE NOTE the polarity of terminals 1 and 2 are reversed to generate tone 2 Installation Mounting The sounder should be positioned using the two available fixing holes in the base It is recommended that stainless steel nuts and bolts be used if the environment is corrosive The sounder will operate in any attitude from horizontal to vertical However it is important to note that the alignment and mounting of the sounder should ensure that 1 Dust or debris cannot lodge in the re entrant horn 2 Water from hose s jets or rain cannot settle in the re entrant horn The sounder should be installed in accordance with certified para
3. ails Three entries for cable glands 6 5mm fixing holes Manufacturers of SUREM Alarm Annunciators and Systems x Sequential Event Se Ta Page 5of7 Recorders x Display Facias x Hazardous Area Interface S g Alarm and Display Products x Signal Conditioning amp Z Trip Amplifi P i a o DB 7 Rev 4 rip Amplifiers x Process Instrumentation pa ae ISO 9001 FM 14290 ppu RTK Instruments Limited Telephone 44 0 1423 580500 i i I lt St James Business Park Facsimile 44 0 1423 580501 Knaresborough North Yorkshire Web www rtkinstruments com England HG5 8PJ Email enquiry rtkinstruments com INSTRUMENTS Other RTK Products RTK Instruments produce a range of complementary products for many applications in the Industrial Control and Instrumentation field for both safe and hazardous areas as listed below All standard products come with a 5 year warranty from this ISO9001 2000 approved company Alarm Annunciators Rack Mounted Alarm Systems Sequence of Event Recorders Trip Amplifiers Trip Monitoring Systems Signal Converters and Isolators Frequency Converters Universal Panel Meters Power Supplies Loop Powered Isolators and Displays Complete range of Hazardous Area products including Intrinsically Safe Alarm annunciators Explosion Proof Alarm annunciators LED Beacons Light Towers LED indicators Illuminated switches and pushbuttons Sounders Relays IS Interface units including Zener Barriers IS Isolators Mu
4. ltiplexers Please ring our sales office to obtain our latest brochure Due to policy of continuous product development we reserve the right to amend these specifications without notice Manufacturers of SUREM BSI Alarm Annunciators and Systems x Sequential Event Sy he Page 6 of 7 Recorders x Display Facias x Hazardous Area Interface a L Alarm and Display Products x Signal Conditioning amp a a Trip Amplifiers x Process Instrumentation ty 0 D B 7 Rev 4 COMPANION COMPANY ae ISO 9001 FM 14290 RTK Instruments Limited St James Business Park Knaresborough North Yorkshire England HG5 8PJ Telephone 44 0 1423 580500 Facsimile 44 0 1423 580501 Web www rtkinstruments com Email enquiry rtkinstruments com EC DECLARATION OF CONFORMITY This is to certify that the DB7 Intrinsically Safe Sounder Supplied by RTK INSTRUMENTS LTD ST JAMES BUSINESS PARK KNARESBOROUGH NORTH YORKSHIRE HG5 8PJ Conforms to the protection requirements of the following directives e Council directive 89 336 EEC EMC Directive to BS EN 50082 2 and BS EN50081 2 e Council Directive 94 9 EC ATEX Directive to EN50014 EN50020 and EN50284 The product is certified to x II 1 G EEx ia IIC or IIB T4 Tamb 55 C to 70 C Certificate No BASOOATEX1260 RK INSTRUMENTS The Quality System is certified and monitored by Baseefa Ltd Rockhead Business Park Staden Lane Buxton Derbyshire SK17 9RZ Page 7
5. meters see the appropriate installation drawing as listed in Table 3 Manufacturers of Page 1 of 7 DB 7 Rev 4 Alarm Annunciators and Systems x Sequential Event Recorders x Display Facias x Hazardous Area Interface Alarm and Display Products x Signal Conditioning amp Trip Amplifiers x Process Instrumentation Removing and replacing the Cover Remove the cover horn of the sounder by unscrewing the 3 fixing screws hexagon key size 3mm AF and pulling the cover horn gently away from the base Replacing the cover horn is a reverse process of the above but care should be taken to ensure that the seal is securely located in its groove during re assembly Wiring Cable termination should be in accordance with specifications applying to the application It is recommended that all cables and cores should be fully identified Ensure that only the correct glands are used and that the assembly is shrouded Refer to the connection details opposite PSUR Em a Z Q amp ISO 9001 FM 14290 COMPANION COMPANY ppu RTK Instruments Limited Telephone 44 0 1423 580500 i i I lt St James Business Park Facsimile 44 0 1423 580501 Knaresborough North Yorkshire Web www rtkinstruments com INSTRUMENTS England HG5 8PJ Email enquiry rtkinstruments com Installation Diagram Hazardous area l Non hazardous area Non hazardous area apparatus which is unspecified except that it must not be supplied from
6. nor contain under normal or abnormal conditions a source or potential See note 3 with respect to earth in excess of 250VAC RMS or 250VDC Sounder type DB7 BASOOATEX1260 IHG See note 2 EEx ia IIC or IIB T4 Barrier See note 4 Tamb 55 C to 70 C Notes 1 The capacitance and either inductance or inductance to resistance ratio of the hazardous area cables must not exceed the values shown in tables 1a to 1d 2 The electrical circuit in the hazardous area must be capable of withstanding an AC test voltage of 500V RMS to earth or frame of the apparatus for one minute 3 The installation including barrier earthing arrangements must comply with the installation requirements of the country of use e g in the UK BS EN 60079 14 4 Any Zener Diode Safety Barrier or Galvanic Isolation Interface certified by an EEC approved body to EEx ia IIC having the following output parameters Dual Tone 24V IIC and IIB Uo 28VDC lo 93mA Po 0 65W Dual Tone 12V IIC and IIB Uo 15 7VDC lo 150mA Po 0 56W The output current of each barrier must be limited by a resistor R such that lo Uo0 R Table 1a Dual Tone 24V IIC IIB IIA Group 0 083 0 65 2 15 Capacitance uF 0 5 12 6 33 6 Inductance mH or L R ratio UH Q 6 7 165 440 Table 1b Dual Tone 12V IIC IIB IIA Group 0 48 2 95 11 9 Capacitance uF 0 3 4 95 13 2 Inductance mH or L R ratio UH Q 12 195 520 Manufacturers of SUREN Recorders x Display Facias x Hazardous Area Inte
7. of 7 DB 7 Rev 4 PAUL HARTLEY MANAGING DIRECTOR Date 12 March 2008 Manufacturers of Alarm Annunciators and Systems x Sequential Event Recorders x Display Facias x Hazardous Area Interface Alarm and Display Products x Signal Conditioning amp Trip Amplifiers x Process Instrumentation SUR af EmMa 4 sU TE O y S gt z A Y O x Noa COMPANION COMPANY amp ISO 9001 FM 14290
8. rface Alarm and Display Products x Signal Conditioning amp DB 7 Rev 4 Trip Amplifiers x Process Instrumentation UTE Op NoD Page 2 of 7 Alarm Annunciators and Systems x Sequential Event PA oO Q amp ISO 9001 FM 14290 KS lt y COMPANION COMPANY ppu RTK Instruments Limited Telephone 44 0 1423 580500 i i I lt St James Business Park Facsimile 44 0 1423 580501 Knaresborough North Yorkshire Web www rtkinstruments com INSTRUMENTS England HG5 8PJ Email enquiry rtkinstruments com Operating Instructions Tone selection The required tones should be selected by referring to Table2 below or to the information within each unit The 2 x 5 way DIL switches on the PCB marked as TONE 1 and TONE 2 should then be set to the codes as shown 1 being equivalent to the on position 0 being equivalent to the off position With the supply ve applied to terminal 1 ve to terminal 2 the tone set by switch TONE 1 is produced Reversing the polarity of the supply external to the unit i e terminal 1 is effectively now ve terminal 2 now ve causes the tone set by switch TONE 2 to be produced Note The default tone setting is as tone 14 in the table below Tone frequency DIL switch setting Tone description 12345 1 Alt Tones 800 970 Hzat sec Mm S O 4 Continuous at 2850Hz 00 6 Sweeping 2400 2850 Hzat1Hz 10000 8 Sweep 1200 500 HzatiHz 11000 S in Tone 9 All
9. tones 2400 2850 Hzat2Hz 8000 11 Alttones 800 970 Hzat7 BHz 10000 13 97OHzat secontsecoff 10000 14 Continuous at 970Hz 0000 17 18 19 20 21 22 23 Sweep 800 970 Hz at 50Hz 25 3970 Hz pulses 0 5 on 0 5 off 150ff 0000 26 32850 Hz pulses 0 5 on 0 5 off 150ff 00110 S O Table 2 4 TE a Oz 7 gt E Z Vos Manufacturers of SUREN BSI Alarm Annunciators and Systems x Sequential Event ay Be Page 3 of 7 Recorders x Display Facias x Hazardous Area Interface z L n F Alarm and Display Products x Signal Conditioning amp 2 DB 7 Rev 4 Trip Amplifiers x Process Instrumentation 40 COMPANION COMPANY ISO 9001 FM 14290 RK Telephone 44 0 1423 580500 Facsimile 44 0 1423 580501 Web www rtkinstruments com Email enquiry rtkinstruments com RTK Instruments Limited St James Business Park Knaresborough North Yorkshire England HG5 8PJ INSTRUMENTS Maintenance During the life of the sounder it should require little or no maintenance However if abnormal or unusual environmental conditions occur or due to plant damage or accident etc then a visual inspection is recommended Barrier Types Typical suitable barrier types are as shown in Table 3 below DB7 unit type Typical barrier 24V IIC 28V240R RTK S967POS Baseefa02ATEX0074 using single tone Uo 24 2V lo 107 Po 0 65W RTK WIS1211 WIS1214 BAS99ATEX7065 24V IIB 28V240R RTK S967POS Baseefa
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