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XNX Universal Transmitter

 

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Table of Contents

1 SIL 2 Certificate ........................................................................................................................................................................................... 3

1.1 XNX Gas Detector Transmitter ........................................................................................................................................................... 3

2 Overview ...................................................................................................................................................................................................... 4
3 Safety Parameters ....................................................................................................................................................................................... 5

3.1 Interval of Proof Testing ..................................................................................................................................................................... 6

4 Fault Diagnostic Time Interval .................................................................................................................................................................... 6
5 Proof Test ..................................................................................................................................................................................................... 7

5.1 Purpose of Proof Testing .................................................................................................................................................................... 7
5.2 Expected Outcome of Proof Testing ................................................................................................................................................. 7
5.3 Tolerance of Output Current Levels ................................................................................................................................................... 7

6 Proof Testing Procedure ............................................................................................................................................................................. 7

6.1 Checking ............................................................................................................................................................................................. 7

6.1.1 Force mA Output ....................................................................................................................................................................... 7
6.1.2 Zero Gas mA Output .................................................................................................................................................................. 8
6.1.3 Calibration Gas mA Output ....................................................................................................................................................... 8

6.2 Adjusting ............................................................................................................................................................................................. 8

6.2.1 Calibrate 4.0 mA and 20.0 mA .................................................................................................................................................. 8
6.2.2 Zero Gas Calibration and Span Calibration .............................................................................................................................. 8
6.2.2.1 Zero Gas Calibration............................................................................................................................................................... 9
6.2.2.2 Span Calibration ..................................................................................................................................................................... 9

6.3 Verifying mA Settings ....................................................................................................................................................................... 10
6.4 Testing ............................................................................................................................................................................................... 11

6.4.1 Fault and Alarm State .............................................................................................................................................................. 11
6.4.2 Gas Verification ........................................................................................................................................................................ 12

Summary of Contents for 0060-1051

Page 1: ...XNX UNIVERSAL TRANSMITTER SAFETY MANUAL XNX Universal Transmitter ...

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Page 3: ...ted Outcome of Proof Testing 7 5 3 Tolerance of Output Current Levels 7 6 Proof Testing Procedure 7 6 1 Checking 7 6 1 1 Force mA Output 7 6 1 2 Zero Gas mA Output 8 6 1 3 Calibration Gas mA Output 8 6 2 Adjusting 8 6 2 1 Calibrate 4 0 mA and 20 0 mA 8 6 2 2 Zero Gas Calibration and Span Calibration 8 6 2 2 1 Zero Gas Calibration 9 6 2 2 2 Span Calibration 9 6 3 Verifying mA Settings 10 6 4 Testin...

Page 4: ...rsal Transmitter SIL 2 Certificate 4 XNX Gas Detector Transmitter 1 SIL 2 Certificate 1 1 XNX Gas Detector Transmitter 1 2 XNX ECC Sensor Toxic gases ECC sensor is SIL approved only if used with XNX transmitter ...

Page 5: ...rage probability of failure to perform its design function on demand and probability of dangerous failure per hour Table 1 Average Probability of Failure to Perform Its Design Function on Demand Low Demand System Safety Integrity Level Low demand mode of operation Average probability of failure to perform its design function on demand PFD 4 10 5 to 10 4 3 10 4 to 10 3 2 10 3 to 10 2 1 10 2 to 10 1...

Page 6: ...00 Component SIL Level Safety Architecture PFDavg SFF DC Test Report XNX Universal Transmitter with Combustible Sensor mv Catalytic bead Sensepoint and Sensepoint HT detector SIL2 1oo1 2 13E 03 90 90 TUV 968 EZ 319 07 20 λ fit λDu fit λDd fit λD fit SC PTC 18033 53 493 46 8571 96 9064 43 2 100 Component SIL Level Safety Architecture PFDavg SFF DC Test Report XNX Universal Transmitter with Toxic Se...

Page 7: ...required to determine the acceptance of the complete safety function i e all safety parameters safety architecture etc as required by IEC 61508 and IEC 61511 Denotes a proof test interval of one year 3 1 Interval of Proof Testing 1 year interval proof test is required for XNX SIL compliance Perform the proof test once a year to comply with IEC 61508 Section 6 Proof Testing Procedure outlines the a...

Page 8: ... can range from 3 9 mA to 4 1 mA 6 Proof Testing Procedure 6 1 Checking The purpose of checking is to ensure the mA output meets the expected levels If the current does not meet the expected levels it will have to be adjusted If after completing 6 1 1 6 1 2 and 6 1 3 the mA output does meet the expected levels proceed to 6 3 6 1 1 Force mA Output 1 Ensure the current can be measured at the control...

Page 9: ...rm the following procedures if 4 0 mA and 20 0 mA were not measured at the controller end If the correct currents were measured proceed to 6 3 The current must be measured at the controller end in 6 2 1 and 6 2 2 6 2 1 Calibrate 4 0 mA and 20 0 mA 1 From the Main Menu select the Test Menu 2 Then select Force mA output 3 Adjust the current output in the column on the right until the current at the ...

Page 10: ...n to the Calibration Menu 1 When the Zero Gas Calibration is complete the Span Concentration screen appears The gas concentration for the Span Gas Calibration can be changed If the Span Calibration is skipped the Gas Calibration screen displays Figure 7 Span Gas Concentration Screen 2 Enter the concentration of the span gas by selecting to choose the first digit and use the switches to increment o...

Page 11: ...igure 10 Span Calibration Failed Once the Zero Gas and Span Gas calibrations are completed successfully the user will be prompted to exit with inhibit off exit with inhibit on or not exit Figure 11 Exiting Zero Gas and Span Gas calibrations WARNING While XNX is in Inhibit Mode alarms are silenced This will prevent an actual gas event from being reported Inhibit Mode must be reset after testing or ...

Page 12: ...nged The available output range for Inhibit Warning Beam Blocked and Low Signal is from 1 0 to 4 0 mA and for an overrange condition the range is 20 0 to 22 0 mA Refer to Section 5 Warnings Faults in the XNX Technical Manual for more information 5 Once all changes have been made use the switches to move to the 3 and use on the front panel to save the settings Figure 14 mA Settings Saved NOTE If 3 ...

Page 13: ...ult Reset to reset alarms faults or warnings generated by the simulation Figure 20 Alarm Fault Reset Screen As in an alarm simulation a confirmation screen will appear Figure 21 Alarm Fault Reset Screen Selecting will reset all alarms faults or warnings generated by the simulation If is selected the simulation continues CAUTION The alarms and faults generated by the simulation will not be cleared ...

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Page 15: ...ywell Analytics Europe Middle East Africa Life Safety Distribution GmbH Tel 00800 333 222 44 Freephone no Tel 41 0 44 943 4380 Alternative no Middle East Tel 971 4 450 5800 Fixed Gas Detection Middle East Tel 971 4 450 5852 Portable Gas Detection gasdetection honeywell com Americas Honeywell Analytics Inc Tel 1 847 955 8200 Toll free 1 800 538 0363 detectgas honeywell com Asia Pacific Honeywell An...

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