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GasSecure GS01 

Safety Manual 

 

 

  

Note 

Please  read  the  complete  manual  carefully  before  including  the  GS01  gas 
detector in a safety instrumented system. 

 GasSecure AS, all rights reserved. 

 

Summary of Contents for GasSecure GS-01 Config-1

Page 1: ...ess Infrared Hydrocarbon Gas Detector Safety Manual Document ID 21440 Contact info Release 6 GasSecure AS Version 164 Hoffsveien 70 C Doc Status APPROVED N 0377 Oslo Last modified 12 12 2019 Norway www gassecure com post gassecure com ...

Page 2: ...GasSecure GS01 Safety Manual I Note Please read the complete manual carefully before including the GS01 gas detector in a safety instrumented system GasSecure AS all rights reserved ...

Page 3: ... reading per hPa at 50 LEL Protection classification IP 66 67 Electrical RF output power GS01 12 dBm EIRP RF output power GS01 EA 16 dBm EIRP Battery type Lithium Thionyl Chloride Average power 5 mW Explosion Protection II 2G Ex ib IIC T4 Gb For zone 1 and 2 or safe area Electromagnetic compatibility EMC Fulfils immunity requirements for SIL2 as per EN 61326 3 1 and compliant with EN 50270 1 The m...

Page 4: ...E COMMUNICATION 9 3 2 OUTPUT DATA FORMAT 10 4 INSTALLATION 11 5 OPERATION AND MAINTENANCE 12 6 PROOF TEST 13 7 SPECIFICATIONS 14 8 CERTIFICATIONS AND FAILURE RATE DATA 15 9 REFERENCES 17 FIGURES FIGURE 4 1 CORRECT POSITION OF THE WEATHER CAP 11 TABLES TABLE 1 1 GS01 DEVICE CONFIGURATIONS 6 TABLE 3 1 MAIN PROFISAFE PARAMETERS USED BY THE GS01 9 TABLE 7 1 TYPICAL PERFORMANCE CHARACTERISTICS FOR THE ...

Page 5: ...akes precedence over the user manual 1 2 End user registration Registration of GS01 users with GasSecure is a condition for the safe operation of the GS01 gas detector throughout the product life Please make sure that your end user contact details are registered with GasSecure so that you can be contacted in the event of safety relevant product information 1 3 Instrument description The GS01 is a ...

Page 6: ...d for use in a Fire and Gas safety system that protects onshore or offshore installations by detecting potentially explosive mixtures of hydrocarbons and air 1 6 Operator interface The interfaces available to the operator are described below Service port interface For device provisioning ISA100 Wireless communication The service port interface consists of 6 electrical pins located in the battery c...

Page 7: ...Propane IEC Float SIL 2 2 0x1DF50D35 GS 01 Config 129 3 3 Methane NIOSH Float SIL 2 129 0x5B5C5A1F GS 01 Config 130 3 3 Propane NIOSH Float SIL 2 130 0xB205AC39 GS 01 Config 65 3 4 Methane IEC INT16 SIL 2 65 0xA354AB95 GS 01 Config 66 3 4 Propane IEC INT16 SIL 2 66 0x4A0D5DB3 GS 01 Config 193 3 4 Methane NIOSH INT16 SIL 2 193 0x0CA40A99 GS 01 Config 194 3 4 Propane NIOSH INT16 SIL 2 194 0xE5FDFCBF...

Page 8: ... document deals with the GS01 gas detector exclusively as part of a safety function For operation of the GS01 the following document covering all non safety relevant features is also needed GasSecure GS01 Wireless Infrared Hydrocarbon Gas Detector User manual Document ID 112464 ...

Page 9: ...fety instrumented system compliance The safety function of the GS01 is the detection of potentially explosive gas concentrations The gas concentration in LEL is converted into a digital measured value and provided as a radio signal using the ISA100 Wireless standard and the PROFIsafe profile to a control system ISA100 Wireless ensures AES128 bit encryption AES Advanced Encryption Standard of all t...

Page 10: ...elected gateway must support PROFINET The selected safety controller is minimum SIL2 compliant The PROFINET Ethernet network containing the PROFIsafe communication must either be on a closed network or be protected from open access with a security gate The assigned F address for each device shall be unique within a PROFIsafe naming island network boundary The watchdog timeout must be set within th...

Page 11: ...The byte ordering is the network order The provided resolution of the process value is 0 1 LEL The status byte coding is specified in accordance with the ISA100 11a standard for details see also the Appendix in RD 1 3 2 2 Data type INT16 The output data is formatted as follows A status byte indicating the validity and quality of the data Byte with padding 0xFF Two bytes for Process value as 16 bit...

Page 12: ...as with significant exposure to direct sunlight consider adding a sunshade to the detector No special or additional detector mounting or tool requirements exist beyond the standard installation practices documented in the user manual for the GS01 RD 1 The detector shall be mounted with its long axis horizontally Make sure to the extent possible that the antenna is vertical pointing up or down The ...

Page 13: ... zeroing is required Periodic visual inspection of the GS01 gas detector and in particular its weather cap is recommended to confirm that no external blockage of the gas vapour path into the measuring cell exists e g debris trash snow mud external equipment etc Corrective action shall include removal of such impediments should they exist The GS01 is a smart gas detector cyclically performing inter...

Page 14: ...ned for validation as it includes a 6 mm diameter tube fitting for efficiently filling the GS01 measuring cell with a test gas mixture Apply the test gas through a 6 mm tube from a gas cylinder with pressure regulator with a flow rate of at least 5 L min 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...

Page 15: ...ethane NIOSH4 Propane NIOSH Measuring Range 0 100 LEL 0 80 LEL 0 100 LEL 0 80 LEL Initialization time 60 sec 60 sec 60 sec 60 sec Detector response time 5 s 10 LEL 5 s 30 LEL 5 s 10 LEL 5 s 30 LEL Dead band suppression 4 LEL 3 LEL 4 LEL 3 LEL Typical battery life time5 Up to 2 years Up to 2 years Up to 2 years Up to 2 years 3 LEL limits according to IEC60079 20 4 NIOSH Pocket Guide to Chemical Haz...

Page 16: ...n 15 LEL or 40 of the true concentration whichever is greater Average Probability of Failure on Demand PFDAVG 1 h 1 61E 37 Probability of dangerous Failure per Hour PFH 1 h 1 08 E 78 Worst case response time incl communication 60 sec Fail safe values data type Float NaN 0x7FC00000 9 for the process value PV Bad decimal value 64 for the PV status byte Fail safe values data type INT16 21846 0xAAAA f...

Page 17: ...tegories respectively Table 8 2 Data output for the different failure categories Failure category Data output Fail safe detected SD Fail safe values cf Table 8 1 Fail safe undetected SU Process value 0 100 PV status byte decimal value 64 Fail dangerous detected DD Fail safe values cf Table 8 1 Fail dangerous undetected DU Process value 0 100 PV status byte decimal value 64 Note When the fail safe ...

Page 18: ...red Hydrocarbon Gas Detector User Manual document ID 112464 RD 2 FMEDA Wireless Infrared Hydrocarbon Gas Detector GS01 Exida report no GaS 13 01 137 R003 RD 3 PROFIsafe Profile for Safety Technology on PROFIBUS and PROFINET IO Order No 3 192b Version 2 4 March 2007 with PROFIsafe driver V2 1 ...

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