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GasSecure GS01 and GS01-EA 

Wireless Infrared Hydrocarbon 

Gas Detector 

User Manual 

(For firmware version 

≥ 3.3) 

 
 
 
 
 
 
 
 
 

Document ID: 112464 

Contact info 

Release: 9 

 

GasSecure AS 

Version: 145   

Hoffsveien 70 C 

Doc. Status: APPROVED 

N-0377 Oslo 

Last modified: 26.04.2017 

Norway 

 

 

www.gassecure.com

 

 

 

[email protected]

 

 

 

 

 

 

 

 

 

 

Summary of Contents for GS01

Page 1: ... Hydrocarbon Gas Detector User Manual For firmware version 3 3 Document ID 112464 Contact info Release 9 GasSecure AS Version 145 Hoffsveien 70 C Doc Status APPROVED N 0377 Oslo Last modified 26 04 2017 Norway www gassecure com post gassecure com ...

Page 2: ...anufacturer s instructions Please read the complete manual and particularly note the paragraphs having an exclamation mark in the margin This manual covers installation operation and maintenance of the GS01 wireless hydrocarbon detector and its battery pack The product warranty issued by GasSecure is voided if the product is not used and maintained as described in this manual Please read also the ...

Page 3: ...hloride Battery cells Tadiran SL 2780 S or TL 5930 S Average power 5 mW Explosion Protection II 2G Ex ib IIC T4 Gb 30oC to 55oC Intrinsic safety temperature 40oC to 65oC Gas performance temperature 30oC to 55oC 1 The manufacturer verified conditions are 0 100 RH and condensing 2 Applies only for Methane configuration and outside the pressure range 850 1150 hPa The process value PV must be replaced...

Page 4: ...ATION OF LEL 14 3 6 COMMUNICATION MONITORING 15 3 7 GS01 DETECTOR PROVISIONING 15 3 8 MODIFICATIONS TO AN EXISTING NETWORK 18 3 9 VISUAL AND FUNCTIONAL CHECK 19 4 OPERATION 20 4 1 NORMAL OPERATION 20 4 2 PROOF TEST VALIDATION 20 5 MAINTENANCE 22 5 1 ROUTINE MAINTENANCE 22 5 2 SPARE PARTS AND ACCESSORIES 22 5 3 CLEANING 23 5 4 BATTERY PACK 23 5 5 STORAGE 26 5 6 TROUBLESHOOTING 26 5 7 CONTACT GASSEC...

Page 5: ... APPROVED VERSION TO THE RIGHT 34 FIGURE 10 1 EU DECLARATION OF CONFORMITY FOR GS01 AND GS01 EA 42 TABLES TABLE 2 1 PROPERTIES OF STANDARD ANTENNA CABLE FOR THE GS01 EA 11 TABLE 3 1 ISA100 OBJECTS 13 TABLE 3 2 LEL VALUES IN VOL ACCORDING TO IEC AND NIOSH 14 TABLE 3 3 PV GAS MEASUREMENT DATA INTEGRITY 15 TABLE 4 1 RECOMMENDED GAS CONCENTRATIONS FOR VALIDATION 21 TABLE 5 1 IMPORTANT SPARE PARTS AND ...

Page 6: ...examples of relevant documentation The detector is intrinsically safe with equipment protection level Gb Ex ib see Section 7 intended for use in zone 1 and 2 areas Two models are available of this gas detector GS01 with fixed antenna GS01 EA with extended antenna All information in this manual for the GS01 also applies for the GS01 EA unless explicitly otherwise noted 1 2 Measuring principle The G...

Page 7: ...ot disassemble the sensor any further When the weather cap is removed the infrared measuring cell with the sapphire window on the main housing and the mirror at the outer end is open and accessible for cleaning The ultrasonic sensor is protected by a perforated steel sheet which shall not be removed 1 4 Battery The GS01 may only be used with the GasSecure battery pack Part number 10055 The battery...

Page 8: ...GasSecure GS01 Hardware Manual DESCRIPTION 7 Figure 1 2 GS01 detector with dimensions in mm ...

Page 9: ...dware Manual 8 CHAPTER 1 Figure 1 3 GS01 EA detector with dimensions in mm Figure 1 4 GS01 measuring cell details showing A External mirror B Infrared beam path C Sapphire window D Ultrasonic sensor with protective sheet ...

Page 10: ...ell replacement cf Section 5 4 2 2 2 Mounting The detector is mounted with its long axis horizontally For the standard GS01 make sure to the extent possible that the antenna is vertical pointing up or down and that local radio shadowing is kept at a minimum The GS01 EA may be mounted in any horizontal orientation Two M8 bolts alternatively 5 16 bolts with washers under the head are used to attach ...

Page 11: ...as detector bracket with the same M8 or 5 16 bolts which are used for detector mounting Make sure that the sunshade is mounted the correct way so that the detector identification plate remains visible Figure 2 1 Correct position of the weather cap and location of earth point The arrow must always point up regardless of the detector orientation 2 5 External antenna applies only for GS01 EA The exte...

Page 12: ...dio shadowing is kept at a minimum Please read also the safety instructions in Section 6 Table 2 1 Properties of standard antenna cable for the GS01 EA Loss m at 2 5 GHz dB Diameter mm Bend radius mm Weight per m g 0 21 10 3 100 115 Figure 2 2 GS01 EA layout with antenna connections Omni directional antenna N type connector Antenna cable Housing N type connector ...

Page 13: ... information is referred to as provisioning and is explained in Section 3 7 3 2 ISA100 Wireless standard ISA100 Wireless is a wireless networking technology standard developed by the International Society of Automation ISA This ISA standard is intended to provide reliable and secure wireless operation for safety control and monitoring applications This standard defines the protocol suite system ma...

Page 14: ...oncentration defined by the internal low alarm limit see Table 8 1 all time slots will be used Table 3 1 ISA100 objects Descriptive name Access ibility Octet no Content Modbus input registers Data type PV Methane or Propane READ 1 PV_Status Register N UINT 16 bit 2 PV_Value 1 4 Register N 1 32 bit 4 octets float according to IEEE 754_Float32 3 PV_Value 2 4 4 PV_Value 3 4 Register N 2 5 PV_Value 4 ...

Page 15: ... DIAG_STATUS object cf Section 3 3 1 is normally mapped into two 16 bit registers Some gateways will also add a status byte into the preceding register This status byte may be ignored because its information is already contained in the PV_status byte The procedure for Modbus register mapping depends on the specific gateway please consult the respective gateway manual on how to achieve this mapping...

Page 16: ...um 60 sec Under no circumstances the stale limit must be set to less than 6 because this would disable communication between detector and gateway Note that the timeout as defined by the stale limit can be checked by removing the battery and monitoring the time until the PV_Status byte is updated Table 3 3 PV Gas measurement data integrity Data integrity Octet decimal number Explanation and actions...

Page 17: ...ons i Specific user defined join key Type a 32 bit hexadecimal number in the join key field ii Generate a random join key Press the Generate random join key button e Check and set the LEL category to either IEC or NIOSH as defined in Table 3 2 f Check the destination folder for the ypif file and change it by pressing the button if necessary Press the Generate ypif file button This file must be upl...

Page 18: ... automatically Press the Read button so that the current provisioning status of the device is displayed as well c Enter the device tag and the required network ID in decimal format cf Figure 3 1 d For the join key there are two options i Specific user defined join key Type a 32 bit hexadecimal number in the join key field ii Generate a random join key Select randomize join key Press the Generate r...

Page 19: ...s the Reset radio to factory defaults button d Close and exit the GS01 Configurator and disconnect the GS01 detector from the PC e Power up the GS01 by inserting the battery pack f The GS01 can now be provisioned over the air OTA using either special field tools or the field wireless access points Refer to references RD3 RD6 or RD 8 for possible solutions from different vendors 3 8 Modifications t...

Page 20: ...nto operation the GS01 detector The axis of the detector shall be horizontal Verify the correct orientation of the weather cap cf Figure 2 1 Check that all bolts and screws are securely tightened Carry out a validation as described in Section 4 2 It is moreover recommended to read the procedures described in IEC 60079 29 2 for reference ...

Page 21: ... every second year by applying pressurized test gas The weather cap is designed for validation as it includes a 6 mm diameter tube fitting for efficiently filling the GS01 measuring cell with a test gas mixture Note however that the test gas will leak out during testing and leakage will depend on the wind speed Therefore the measured gas concentration is normally lower than stated on the test gas ...

Page 22: ...ed test gas Expected reading Methane IEC Methane 2 2 vol in synthetic air Or alt 2 5 vol in synth air 50 LEL 57 LEL Propane IEC Propane 0 42 vol in synthetic air Or alt 1 0 vol in synth air 25 LEL 59 LEL Methane NIOSH Methane 2 5 vol in synthetic air 50 LEL Propane NIOSH Propane 0 42 vol in synthetic air Or alt 1 0 vol in synth air 20 LEL 48 LEL ...

Page 23: ...nitored with the DIAG_STATUS attribute explained in Table 5 2 and Table 10 2 Check the weather cap regularly to make sure it is not clogged see Section 5 3 below Check battery status regularly Replace low batteries in due time see Section 5 4 below The battery status maybe monitored with the DIAG_STATUS attribute explained in Table 5 2 and Table 10 2 Check the detector response at least every seco...

Page 24: ...f the ultrasonic sensor does not need cleaning If the perforated sheet is clogged with dirt clean compressed air may be used for removal If the detector is installed in an area where the weather cap may become clogged for instance by insects leaves ice or snow it is recommended that this cap is inspected regularly to make sure that air flows freely through the openings 5 4 Battery pack Note that t...

Page 25: ...ttery cell safety datasheet see Section 5 4 3 for more information Do not disassemble the battery pack any further Verify that new cells are of the correct type see above Be sure to replace both battery cells at the same time and only use fresh previously unused cells Place both battery cells in the battery pack leaf contact facing the positive terminal and spring contact facing the negative termi...

Page 26: ...anual MAINTENANCE 25 Figure 5 2 Battery pack bottom view Figure 5 3 Battery pack top and bottom with leaf and spring contacts facing the battery positive and negative terminal respectively Mounting screws Re set button location ...

Page 27: ...01 detector contain lithium Transport of primary lithium batteries is regulated by the U S Department of Transportation the International Air Transport Association IATA the International Civil Aviation Organization ICAO and the European Ground Transportation of Dangerous Goods ARD It is the responsibility of the shipper to ensure compliance with these or any other local requirements Consult curren...

Page 28: ...ansmission The instrument detects low light transmission and infrared signal strength most probably due to dirty optics Clean the window and mirror if necessary cf Section 5 3 The status message will clear within 10 minutes F and M 8 Beam block optical beam fault The signal is so weak that the gas concentration cannot be calculated with sufficient accuracy or the beam intensity is changing rapidly...

Page 29: ...rdware Manual 28 CHAPTER 5 When contacting the factory for support the following information should be provided The instrument serial number Description of the problem The type of gateway used for wireless communication ...

Page 30: ...rostatic charging hazard The GS01 EA external antenna surface is highly resistive Avoid electrostatic charge build up If necessary only clean the unit with a damp cloth Do not rub the antenna with non conductive materials Remember to secure the GS01 detector when working at heights Do not open the instrument All warranties void if opened There are no user serviceable parts or settings inside The m...

Page 31: ...by intrinsic safety i EN 60079 29 1 2007 Gas detectors Performance requirements of detectors for flammable gases EN 60945 2002 Maritime navigation and radio communication equipment and systems General requirements Methods of testing and required test results EN 50270 2006 Electromagnetic compatibility Electrical apparatus for the detection and measure ment of combustible gases toxic gases or oxyge...

Page 32: ...r a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communic...

Page 33: ...Secure GS01 Hardware Manual 32 CHAPTER 7 Figure 7 2 GS01 EA product identification plate Figure 7 3 GS01 product identification plate FM approved Figure 7 4 GS01 EA product identification plate FM approved ...

Page 34: ...quipment in this category ensure the requisite level of protection even on the event of frequently occurring disturbances or equipment faults which normally have to be taken into account G The instrument is approved for use in gas vapour and mist atmospheres Ex ib The method of protection is intrinsic safety Gas group IIC Not restricted to certain gases IP66 67 Ingress protection level as defined ...

Page 35: ...GasSecure GS01 Hardware Manual 34 CHAPTER 7 Figure 7 6 Battery pack identification label FM approved version to the right Figure 7 7 Antenna identification label FM approved version to the right ...

Page 36: ...air to be detected by the ultrasonic sensor please refer to Section 1 1 for a brief introduction to the GS01 dual sensor concept For methane and propane this occurs for concentrations above 10 LEL Note that with hydrocarbon gas mixtures of light e g methane and heavy e g propane gas the ultrasonic sensor must respond to a mixture of gases with a speed of sound that could be close to that in air Th...

Page 37: ... 8 2 LEL values in vol according to IEC60079 20 Methane Propane Methanol Ethanol Ethylene N butane Hexane Styrene Benzene 4 4 1 7 6 0 3 1 2 3 1 4 1 0 1 0 1 2 Table 8 3 Cross sensitivities for a GS01 Methane detector Reading Propane Methanol Ethanol Ethylene N butane Hexane Styrene Benzene 10 5 4 6 34 6 7 16 28 20 9 7 10 54 10 11 25 46 30 11 8 12 69 12 14 32 59 40 14 10 15 81 15 17 38 71 50 15 11 1...

Page 38: ... 12 11 15 74 14 16 45 76 50 13 12 17 83 16 19 51 87 75 17 15 21 103 20 23 62 111 100 20 17 24 119 23 28 72 132 Table 8 7 Cross sensitivities for a GS01 Propane detector Reading Methane Methanol Ethanol Ethylene N butane Hexane Styrene Benzene 10 30 9 13 63 12 14 39 64 20 101 17 24 120 23 28 73 133 30 197 25 35 170 35 43 102 200 40 200 32 46 200 47 60 128 200 50 200 38 55 200 60 78 151 200 75 200 5...

Page 39: ...Wireless Management Station Startup Guide TI 01W01A56 01EN RD 5 Yokogawa YFGW510 Field Wireless Access Point user s manual IM 01W02E01 01EN RD 6 Honeywell Wireless Device Manager User s Guide Release 220 OWDOC X254 en 220A October 2013 RD 7 Honeywell Field Device Access Point User s Guide Release 220 OWDOC X256 en 220A October 2013 RD 8 Nivis ISA100 11a Field Tool User Manual Version 2 1 Date Octo...

Page 40: ...o ISA100 Wireless standard Table 10 2 Content of the DIAG_STATUS attribute Next page Note also F Failure C Function check O Out of specification M Maintenance required According to the NAMUR NE107 categorization GasSecure specific acronyms as used in GasSecure software tools are added in a separate column ...

Page 41: ...ironmental conditions out of device spec O ENC 21 Fault Prediction Maintenance required M FAP 20 Power is critical low maintenance short term F M POC 19 Power is low maintenance long term M POL 18 Software update incomplete 0 C 17 Simulation is active C SIA 16 Faults due to process influence 0 C 15 Faults due to non compliance with operation conditions 0 F 14 Other faults F OTF 13 0 12 0 11 0 10 0...

Page 42: ...etector will output NaN 0x7fc00000 not a number per float definition in IEEE754 The diagnostic information as published in the User Application Management Object is forwarded to the maintenance system Recommended is to read out the following bits of the DIAG_STATUS attribute Failure status F bit 31 Maintenance required status M bit 28 Environmental conditions bit 22 Power is critical low bit 20 Po...

Page 43: ...GasSecure GS01 Hardware Manual 42 CHAPTER 10 Figure 10 1 EU Declaration of conformity for GS01 and GS01 EA ...

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