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GASSONIC SURVEYOR Скачать руководство пользователя страница 19

Safe area

Hazardous area

V+

GND

I_SOURCE

REL1

REL2

Gassonic Surveyor

Specification for the sum of 

Pin 1, 3, 4 and 5 

in respect to Pin 2:

Ui:  28V dc

Ii:  220mA dc

Pi:  950mW

Ci:  14nF

Li: 10µH

Minimum specification:
Supply voltage: 9 V.
Supply power:  600, mW.
(350 mW. with Io= 0mA)

Barriers / Isolators

This could be a number of 

different barriers or isolator.

(see example drawings)

NB: When choosing barriers 

or isolators ensure that 

safety description is fulfilled.

5

4

3

2

1

U

Max. 

500

U_SUP

24VDC

24VDC

0V

IS Earth

0V

U

Min. 

5K6

0V

Safety description:

NB: Values given to I.S. parameters are the total sum of 
inputs.
When input voltage is 28 Vdc the current can not 
exceed 120 mA, and when the input current is equal to 
220 mA Vdc the voltage must not exceed 17,5 Vdc.

Installation in accordance with 60079-14 and -25 or correspond-
ing local regulations and laws.

Power supply:
U

i

= 28/17.3 Vdc

I

i

= 120/220 mAdc

P

i

= 950 mW

4-20mA source: output:
U

o

= Ui

I

o

= Ii

Relay output:

U

i

= 28/17.3 Vcd

I

i

= 120/220 mAdc

P

i

= 950 mW

Specific safety descriptions

Control room

Cabel param from En60079-14: 
220 pF/meter 
1 uH/meter or 30uH/ohm

Generic wiring diagram for Gassonic Surveyor. Connection data and example wiring diagrams of MTL and Peppel & 
Fuchs barriers/isolators can be found in the Appendix.  Any barriers/isolators can be used as long as their output safety 
description does not exceed that of the Gassonic Surveyor. This product is designed to be installed according to IEC 
Standard EN 60079-14.

Wire  connectors  on  the  unit  are 
individually  marked  for  correct 
wiring and reference.

14.0 -

 WiRinG

Installation and User Guide for Gassonic Surveyor (BB6019-01)

Page 19

Содержание SURVEYOR

Страница 1: ...T e c h n i c a l d o c u m e n t a t i o n t USER GUIDE FOR GASSONIC SURVEYOR ULTRASONIC GAS LEAK DETECTOR ...

Страница 2: ...igger level 8 5 1 Output methods 8 5 2 Using the 4 20 mA output 8 5 3 Alarm relay 9 5 4 Error relay 9 5 5 NAMUR or dry contact 9 6 0 Test and calibration 10 7 0 Gain test procedure 11 8 0 Delay test procedure 12 9 0 Calibration procedure 13 10 0 Step test 15 11 0 Gassonic Surveyor LED interface 16 12 0 Trouble shooting 16 13 0 Power consumption 16 14 0 Wiring 19 15 0 Technical data 20 16 0 Supplie...

Страница 3: ... detector senses ultrasonic noise the Gassonic Surveyor does not have to be in contact with the leaking gas itself It will detect the gas leak instantly even if the gas is carried away by wind or diluted in the air The Gassonic Surveyor can be used in configurations with other detection methods 1 3 MAIN FEATURES Detection radius 5 to 20 meters depending on ultrasonic background noise level Sensor ...

Страница 4: ... 3 m 1m 2m 3m 4m 5m 6m 7m 8m 9m 10m 11m 12m 13m 14m 15m 16m 1 2 3 3 Very low noise areas In very low noise areas where background noise is below 58 dB the trigger level must be set to at least 64 dB This corresponds to a detection radius of 13 20 m Typical areas Onshore wellhead areas in calm environment Salt dome gas storage facilities in calm environment Low noise areas In low noise areas where ...

Страница 5: ... the unit must be mounted with the microphone compartment facing down This will also prevent dirt from collecting in the wind screen which may block the sound To ensure optimal performance correct mounting of the Gassonic Surveyor is essential Mount the detector so it is clear of solid physical structures such as walls and heavy machinery as these will dampen any ultrasonic noise leading to reduce...

Страница 6: ...ounting Bracket UA1352A 4 Sealing flange and sealing gasket 5 Windscreen DS0592 6 Microphone MM4190 7 M5 x 16 Allen screw 8 M5 Sealing washer 9 User LED 10 Communication LED 11 Earth connection inside 12 Earth connection outside 13 Cable entries M20 x 1 5 14 Earth wire and strap between Top and Bottom part 15 Protective plate permanently attached 16 Rotary switches 17 Jumpers 18 Eex i connectors T...

Страница 7: ...t caught between the bottom part and the top part of the detector Check the status of the rubber sealing and the flange Send the unit to Gassonic for repair if the flange and or the rubber sealing is damaged Check the sealing washers and replace them if they are damaged The four allen screws with sealing washers must be tightened to 6 Nm using a torque wrench Installation and Maintenance must be c...

Страница 8: ...el must be set at least 6 dB higher than the ambient ultrasonic background noise level It is good practise to set the internal trigger level to the same level as the 4 20 mA trigger level in the F G system dB mA 44 4 0 54 6 7 59 8 0 64 9 3 69 10 7 74 12 0 79 13 3 84 14 7 89 16 0 94 17 3 99 18 7 104 20 0 Noise levels trigger levels and the relating output values Other values can be calculated using...

Страница 9: ...0 1 10 2 15 3 20 4 30 5 45 6 60 7 120 2 minutes 8 240 4 minutes 9 480 8 minutes Alarm delay switch The alarm delay switch position and the corresponding delay times The delay must be at least 10 seconds 5 4 Error relay In Error relay mode the Gassonic Surveyor will indicate low supply voltage by deactivating the relay swiching off the user LED and flashing the communication LED The Error relay is ...

Страница 10: ...tart any test and calibration procedure by clipping the Gassonic 1701 onto the Gassonic Surveyor sensor head Lock the tool on the mounting bayonet by rotating it clock wise To activate the calibration mode of the Gassonic Surveyor place the magnet stick in the notch as illustrated The magnet stick is supplied with the Gassonic 1701 6 0 Test and calibration Installation and User Guide for Gassonic ...

Страница 11: ... the test by pressing the Enter button 6 When the test is finished the Gassonic 1701 beeps twice and shows a message corresponding to the Gassonic Surveyor s internal settings In this example the trigger level is 79 dB and the rotary switch is in position 5 If the test is more than 3 dB out of tolerance perform calibration If the test was faulty the Gassonic 1701 beeps three times and a No respons...

Страница 12: ...ct with the staff in the fire and gas control room to measure the delay time and to avoid causing a false alarm When the control room observes an alarm press ENTER or TEST to stop the test The time read out on the display corresponds to the alarm delay setting of the system The user interface LED will turn red when the test starts and then flash when the internal delay time has passed Switch the 1...

Страница 13: ...test with the Down button Select the Gassonic Surveyor calibration by pressing the Down button and then press Enter Gassonic Surveyor Filter 25 kHz Select test Surveyor Calibr A calibration can be performed at any time Along with the Gassonic 1701 you will need the magnet stick to set the Gassonic Surveyor in calibration mode 9 0 Calibration procedure Action Display Button Button 1 2 3 4 5 Install...

Страница 14: ... the magnet stick in the magnet stick notch again Activate the calibration by pressing Enter on the Gassonic 1701 Activate Calibr The calibration is carried out automatically and will stop when finished The Gassonic Surveyor LED turns green If the test was faulty the red LED on the Gassonic 1701 flashes and the message No response is displayed on the screen The Gassonic Surveyor user LED will flas...

Страница 15: ... step test by pressing the Enter button Step test The step test can be carried out to validate the 4 20 mA output to the control room The test makes it possible to step through different sound pressure levels Note that this test might trigger an alarm if the sound level exceeds the trigger level Push DOWN button to decrease the test sound level 045 dB When all levels are tested push ENTER to stop ...

Страница 16: ...ng Red When using the 4 20 mA and the relay in Error mode Imin 600 mW Unit in alarm Relay energized When using the 4 20 mA and the relay in Alarm mode Imin 500 mW Unit in alarm Relay de energized When using only relay output in Alarm mode Imin 350 mW Unit in alarm Relay de energized The unit can operate with a supply voltage of 9 to 28 Vdc Power consumption patterns below are calculated with a 33 ...

Страница 17: ...it in alarm 2 4 20mA with 500ohm load Error Relay Energized 101dB background noise Unit in alarm 3 4 20mA not connected Alarm Relay De energized 101dB background noise Unit in alarm 4 4 20mA not connected Alarm Relay Energized 101dB background noise Unit in alarm Chart1 Gassonic Surveyor maximum power consumption Installation and User Guide for Gassonic Surveyor BB6019 01 Page 17 ...

Страница 18: ...arm 6 4 20mA with 500ohm load Alarm Relay Energized 64dB background noise Unit not in alarm 7 4 20mA with 500ohm load Alarm Relay Energized 84dB background noise Unit not in alarm 8 4 20mA with 500ohm load Alarm Relay Energized 94dB background noise Unit not in alarm Chart 2 GASSONIC Surveyor normal power consumption Installation and User Guide for Gassonic Surveyor BB6019 01 Page 18 ...

Страница 19: ...e voltage must not exceed 17 5 Vdc Installation in accordance with 60079 14 and 25 or correspond ing local regulations and laws Power supply Ui 28 17 3 Vdc Ii 120 220 mAdc Pi 950 mW 4 20mA source output Uo Ui Io Ii Relay output Ui 28 17 3 Vcd Ii 120 220 mAdc Pi 950 mW Specific safety descriptions Control room Cabel param from En60079 14 220 pF meter 1 uH meter or 30uH ohm Generic wiring diagram fo...

Страница 20: ... selectable Option 1 Alarm relay switch on preset trigger level Option 2 Error relay NAMUR dry contact operator selectable NAMUR output Normal NC 760Ω 1 Alarm NO 10 422kΩ 1 Environmental data Operating temperature 40 C to 75 C Humidity 0 to 100 relative humidity Ingress Protection IP66 Atmospheric conditions Normal air pressure and oxygen content Construction Housing Stainless steel AISI 316L Weig...

Страница 21: ...DS EN61010 1 2 2001 12 7 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements DS EN61000 6 3 1 2002 05 30 Electromagnetic compatibility EMC Part 6 3 Generic standards Emission standard for residential commercial and light industrial environments DS EN61000 6 2 2 2002 05 30 Electromagnetic compatibility EMC Part 6 2 Generic standards Im...

Страница 22: ... by its employees or other personnel All warranties are contingent upon proper use in the application for which the product was intended and do not cover products which have been modified or repaired without GassonicA S approval or which have been subjected to neglect accident improper instal lation or application or on which the original identification marks have been removed or altered Except fo...

Страница 23: ...120 mA Po 830 mW Ro 235R min Co 83 nF Lo 2 59 mH L R 44 uH ohm Safety output 2 Uo 28 V Io 0 mA Diode Po 0 mW Co 83 nF Lo na L R na SUPPLY AND RETURN1 P F Z 787 H F 7 SUPPLY AND RETURN1 P F Z 787 H F Safety output 2 Uo 28 V Io 0 mA Diode Po 0 mW Co 83 nF Lo na L R na Safety output 1 Uo 28 V Io 120 mA Po 830 mW Ro 235R min Co 83 nF Lo 2 59 mH L R 44 uH ohm 3 2 4 1 6 5 8 Any interconnections between ...

Страница 24: ...Z 787 H F Safety output 1 Uo 28 V Io 120 mA Po 830 mW Ro 235R min Co 83 nF Lo 2 59 mH L R 44 uH ohm V J1 1 Specification for sum of J1 1 AND J1 3 AND J1 4 AND J1 5 in respect to J1 2 Ui 28 V Ii 220 mA Pi 950 mW Ci 14 nF Li 10 uH Surveyor Minimum specification Supply voltage 9 0 V Supply power 600 mW Safety output 2 Uo 28 V Io 0 mA Diode Po 0 mW Co 83 nF Lo na L R na MAX 100R U Cabel param from En6...

Страница 25: ... Ex1 1065 1 3 2 V 7 Hazardous Area Safe Area V J1 1 REL 1 J1 4 GND J1 2 REL 2 J1 5 I_SOURCE J1 3 Surveyor Minimum specification Supply voltage 9 0 V Supply power 600 mW V 8 U_SUP 24VDC 24VDC MAX 100R 0V U Specification for sum of J1 1 AND J1 3 AND J1 4 AND J1 5 in respect to J1 2 Ui 28 V Ii 220 mA Pi 950 mW Ci 14 nF Li 10 uH SUPPLY CURRENT SENSE P F KFD0 CS Ex1 52 1 2 i 11 i 12 Safety Uo 17 22 V I...

Страница 26: ...upply voltage 9 0 V Supply power 600 mW Any interconnections between barriers or isolators must be made within the same enclosure Then the possibility of a series fault connection can be ignored REL 2 J1 5 REL 1 J1 4 Isolator Description of use This installation can be used when only the relay functionality is used I_SOURCE J1 3 GND J1 2 U_SUP 24VDC 24VDC 0V Vs 12 VS 11 Hazardous Area Safe Area Re...

Страница 27: ......

Страница 28: ...ivej 42A DK 2750 Ballerup Denmark Tel 45 44 700 910 Fax 45 44 700 911 mail gassonic com www gassonic com BB6019 01 CAPITOL COPENHAGEN 45 4580 0831 GASSONIC SURVEYOR ULTRASONIC GAS LEAK DETECTOR From serial number 197590 ...

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