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MERIDIAN

UNIVERSAL GAS DETECTOR

INSTALLATION

4-21

USE AND DISCLOSURE OF DATA

Information contained herein is classified as EAR99 under the U.S. Export Administration Regulations. Export, reexport or diversion contrary to U.S. law is

prohibited.

Figure 4-8: Meridian J-Box Assembly Wiring and Mounting – Aluminum

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Summary of Contents for Meridian

Page 1: ...Y FAILURE TO USE THIS EQUIPMENT PROPERLY COULD RESULT IN SERIOUS INJURY OR DEATH User Guide User Guide 087 0049 Rev G June 2020 USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited MERIDIAN UNIVERSAL GAS DETECTOR ...

Page 2: ...ble IR part numbers and cat bead k factors FW updated to 1 12 expanded maintenance troubleshooting sections D Numerous updates in conjunction with FW update to 1 14 Wiring dia grams updated for clarity added pipe mounting brackets Sensor bias module and related notes and warnings modified Added PN for INMETRO product variations E Numerous updates in conjunction with FW update to 1 14 Wiring dia gr...

Page 3: ...ocument No Purpose Meridian Communication Guide 087 0050 Provides information on the various Optional Communica tion Expansion Cards CEC PCBs Cross Sensitivity Table Reference 062 0064 Provides cross sensitivity information for Meridian electro chemical sensors to other common gases Sensor Data Sheet Reference 099 0083 Provides detailed sensor specifications for each of the Meridian sensors WiredH...

Page 4: ...CT DOCUMENTATION iv USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited This page is intentionally left blank ...

Page 5: ...term or condition of any kind either implied or expressed including but not limited to the implied warranties terms or conditions of merchantability satisfactory quality and fitness for a particular purpose The Company may make improvements or changes in the product s described in this documentation at any time While every effort has been made to ensure accuracy in this guide no responsibility can...

Page 6: ...AL STATEMENT USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited This page is intentionally left blank ...

Page 7: ...ing for Installation 4 1 4 1 1 Verify Items Shipped 4 1 4 1 2 Installation Considerations 4 1 4 1 3 Following Electrical Codes 4 6 4 1 4 Following Shipboard Off shore Codes 4 6 4 1 5 Hard Wired Configurations 4 7 4 1 6 Determining Wire Length and Size for Input Power 4 10 4 1 7 Determining Wire Length for RS 485 Cable 4 1 1 4 1 8 Determining Wire Length for Remote Sensors 4 1 1 4 1 9 An Applicatio...

Page 8: ... 1 24 Installing the Optional Communication Expansion Card CEC PCB 4 41 4 1 25 Connecting a Sensor Head 4 42 4 1 26 Installing Replacing a Sensor 4 44 5 Configuration Setup 5 1 5 1 Configuring the Device 5 1 5 1 1 User Access Levels 5 2 5 1 2 Using the Information Menu 5 5 5 1 3 Configuring the Setup Menu 5 9 5 1 4 Configuring the Calibration Menu 5 17 5 1 5 Configuring the Datalog Menu 5 18 5 1 6...

Page 9: ...PCB 7 13 7 3 5 Replacing the Power Supply PCB 3 or 4 Wire 7 15 7 3 6 Replacing the Power Supply PCB 2 Wire 7 16 7 3 7 Trimming the 4 20mA Loop 7 17 7 3 8 Replacing the LCD PCB CPU PCB 7 18 7 3 9 Replacing the Terminal Relay MODBUS RS 485 PCB 7 19 7 3 10 Replacing the Meridian NPT Ex Seal 7 20 7 3 1 1 Replacing the Meridian Detector Body Assembly 7 22 7 3 12 Re mapping the Sensors 7 24 7 3 13 Clear...

Page 10: ...is prohibited B 3 1 Using Target Gas Other than Methane B 4 B 3 2 Using Methane as a Surrogate Gas B 4 B 3 3 Using Propane as a Surrogate Gas B 7 B 4 Combustible IR Sensor Surrogate Test Gas B 10 B 5 Toxic E Chem Gas Interferences B 1 1 C Safety Integration Level SIL 2 Information C 1 C 1 SIL 2 Parameters C 1 C 2 Proof Test Procedure C 2 D Parts List D 1 E Technical Support E 1 Table of Contents C...

Page 11: ...2 4 10 Remotely Mounted Sensor with Calibration Fitting 4 23 4 1 1 Meridian Junction Box Assembly Spacer Usage 4 24 4 12 Meridian Duct Mount Fitting 4 26 4 13 Attaching the Meridian Sensor to the Duct Mount Fitting 4 27 4 14 Connection for 3 Wire Sourcing 4 28 4 15 Connection for 3 Wire Sinking 4 29 4 16 Connection for 2 Wire 4 33 4 17 Connection for 4 Wire Sourcing with Isolated Loop Power Supply...

Page 12: ...n contrary to U S law is prohibited 5 4 Setup Menu Structure 5 9 5 5 Calibration Menu Structure 5 17 5 6 Datalog Menu Structure 5 18 5 7 Display Menu Structure 5 21 5 8 User Access Menu Structure 5 22 6 1 Text and Numeral Display 6 2 6 2 Main Menu 6 5 6 3 Graphical Trending Display 6 5 6 4 Blind LCD 6 6 7 1 Calibration Hookup Method Both Hookup Options 7 2 List of Figures Continued Fig Figure Titl...

Page 13: ...ications and Approvals IR Sensors 1 20 1 10 Certifications and Approvals 1 21 2 1 Quick Reference Guide 2 1 4 1 Gas Density Relative to Air and CAS No Combustibles LEL 4 2 4 2 Gas Density Relative to Air and CAS No Toxic E Chem 4 4 4 3 Hard Wired Configurations Typical 4 7 4 4 Hard Wired Configurations Sensor Types Supported for 3 or 4 Wire 4 8 4 5 Hard Wired Configurations Sensor Types Supported ...

Page 14: ...iguration Parameters 5 39 5 16 MODBUS Registers Sensor X Data 5 44 5 17 MODBUS RTU Framing 5 54 5 18 Structure of Configuration Registers for TXCommand 5 56 5 19 TxCommand 0xXXXX with No Parameters 5 57 5 20 TxWriteByte 0xX200 with Param1 Param2 5 58 5 21 TxWriteUnit 0xX201 Upper Nibble with Param1 Param2 5 58 5 22 TxWriteLong 0xX202 with Param1 Param2 Param3 5 59 5 23 TxWriteFloat 0xX203 Upper Ni...

Page 15: ...7 10 7 7 Troubleshooting Matrix 7 26 A 1 Device Specifications A 1 A 2 Combustible LEL IR Cat bead Sensor Specifications A 5 A 3 Toxic E Chem Sensor Specifications A 7 B 1 Sensor Technology Overview B 1 B 2 Sensor Performance Factors B 3 B 3 K Factors for Combustible Cat Bead Sensors Methane B 5 B 4 K Factors for Combustible Cat Bead Sensors Propane B 7 C 1 SIL 2 Parameters C 1 C 2 SIL Proof Test ...

Page 16: ...F TABLES xiv USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited This page is intentionally left blank ...

Page 17: ...vice It also provides information on configuration operation maintenance specifica tions and trouble shooting This user guide assumes the reader has a basic knowledge of gas detection proce dures 1 1 Guide Conventions The following visual elements are used throughout this guide WARNING THIS ICON AND TEXT INDICATE A POTENTIALLY HAZARDOUS SITUATION WHICH IF NOT AVOIDED COULD RESULT IN DEATH OR INJUR...

Page 18: ...els 096 3484 03 or 096 3484 04 Always seal all openings to the transmitter with suitable flame proof type db stopping boxes or type db glands with a minimum IP rating of IP66 Always seal all openings to the junction box with suitable glands with a minimum IP rating of IP66 Always bond the transmitter and junction box to ground both internally and externally with suitably sized con ductors IEC EN 6...

Page 19: ... 60079 31 2009 EN 50271 2010 TRAC13ATEX0049X II 2 1 G Ex d ia Ga IIC T4 Gb II 2 1 D Ex tb ia Da III C T85 C Db 40 C Ta 75 C IP66 Transmitter and Junction Box IP64 Detector Head See Special Conditions for Safe Use IECEx TRC 13 0017X IECEx MSC14 0021X Ex d ia Ga IIC T4 Gb Ex tb ia Da III C T85 C Db 40 C Ta 75 C IP66 Transmitter and Junction Box IP64 Detector Head See Special Conditions for Safe Use ...

Page 20: ...er the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited FM 3600 FM 3615 UL 913 FM 6310 6320 ANSI ISA 12 13 01 See 096 3506 B and 096 3507 B EMC Industry Canada EMC EMC Directive ATEX Directive IEC 61508 Series Table 1 1 Certifications and Approvals Aluminum Transmitter Continued Mark ...

Page 21: ...9 EN 50271 2010 TRAC13ATEX0049X I M2 M1 Ex d ia Ma I Mb II 2 1 G Ex d ia Ga IIC T4 Gb II 2 1 D Ex td ia Da IIIC T85 C Db 40 C Ta 75 C IP66 Transmitter and Junction Box IP64 Detector Head See Special Conditions for Safe Use IECEx TRC 13 0017X IECEx MSC14 0021X Ex d ia Ma I Mb Ex d ia Ga IIC T4 Gb Ex td ia Da IIIC T85 C Db 40 C Ta 75 C IP66 Transmitter and Junction Box IP64 Detector Head See Special...

Page 22: ...the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited FM 3600 FM 3615 UL 913 FM 6310 6320 ANSI ISA 12 13 01 See 096 3506 B and 096 3507 B EMC Industry Canada EMC EMC Directive ATEX Directive IEC 61508 Series Table 1 2 Certifications and Approvals Stainless Steel Transmitter Continued Mark ...

Page 23: ...or Safe Use EN 60079 0 2012 EN 60079 26 2007 EN 50104 2010 EN 60079 26 EN 5501 1 2009 A1 2010 EN 60079 1 2007 EN 60079 29 1 2007 EN 50270 2015 EN 61010 1 2010 EN 60079 1 1 2012 EN 60079 31 2009 EN 50271 2010 IECEx TRC 13 0017X IECEx MSC14 0021X Ex ia IIC T4 Ga Ex ia IIIC T80 C Da 40 C Ta 75 C IP64 See Special Conditions for Safe Use IEC 60079 0 2012 IEC 60079 26 2007 IEC 60079 1 2007 IEC 60079 29 ...

Page 24: ...I 2 D Ex ia IIIC T80 C Da 40 C Ta 75 C IP64 See Special Conditions for Safe Use EN 60079 0 2012 A11 2013 EN 50104 2010 EN 5501 1 2009 A1 2010 EN 60079 1 2007 EN 60079 29 1 2007 EN 50270 2015 EN 61010 1 2010 EN 60079 1 1 2012 EN 60079 31 2009 EN 50271 2010 IECEx TRC 13 0017X IECEx MSC14 0021X Ex ia I Ma Ex ia IIC T4 Ga Ex ia IIIC T80 C Da 40 C Ta 75 C IP64 See Special Conditions for Safe Use IEC 60...

Page 25: ...AR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited CAN CSA C22 2 No 60079 0 CAN CSA C22 2 No 60079 1 CAN CSA C22 2 No 60079 1 1 FM 3600 FM 3615 UL 913 See 096 3506 B and 096 3507 B Table 1 4 Certifications and Approvals Stainless Steel Junction Box Continued Mark ...

Page 26: ...2 with Meridian 3 or 4 wire Transmitter Models 096 3522 or 096 3526 Only use Meridian detector head models 096 3484 03 and 096 3484 04 with meridian 2 wire transmitter models 096 3521 or 096 3525 Only use the 2 wire system with a single Electrochemical sensor and must installed in accordance with control drawing 096 3507 B Use the 3 or 4 wire system with one two or three sensors and always install...

Page 27: ...IIIC T185 C Db 40 C Ta 75 C IP64 For Integral Connection to Transmitter Any Meridian Sensor Installed See Special Conditions for Safe Use EN 60079 0 20122 A11 2013 EN 50104 2010 EN 5501 1 2009 A1 2010 EN 60079 1 2007 EN 60079 29 1 2007 EN 50270 2015 EN 61010 1 2010 EN 60079 1 1 2012 EN 60079 31 2009 EN 50271 2010 IECEx TRC 13 0017X IECEx MSC14 0021X Ex d ia I Mb Ex d ia IIC T4 Gb Ex ia IIIC T185 C...

Page 28: ...ter Any Meridian Sensor Installed TRAX13ATEX0049X I M1 Ex ia I Ma II 1 G Ex ia IIC T4 Ga II 1 D Ex ia IIIC T185 C Da 40 C Ta 75 C IP64 For Remote Connection Dependent upon Sensor Refer to Certificate and User Manual Without IR Type Sensor Installed See Special Conditions for Safe Use EN 60079 0 2012 A1 1 2013 EN 50104 2010 EN 5501 1 2009 A1 2010 EN 60079 1 2007 EN 60079 29 1 2007 EN 50270 2015 EN ...

Page 29: ...t IR Type Sensor Installed See Special Conditions for Safe Use EN 60079 0 2012 A1 1 2013 EN 50104 2010 EN 5501 1 2009 A1 2010 EN 60079 1 2007 EN 60079 29 1 2007 EN 50270 2015 EN 61010 1 2010 EN 60079 1 1 2012 EN 60079 31 2009 EN 50271 2010 CAN CSA C22 2 No 60079 0 CAN CSA C22 2 No 60079 1 CAN CSA C22 2 No 60079 1 1 FM 3600 FM 3615 UL 913 See 096 3506 B and 096 3507 B For Remote Connection Dependen...

Page 30: ...cial Conditions for Safe Use IEC 60079 0 201 1 IEC 60079 26 2006 IEC 60079 1 2007 04 IEC 60079 29 1 2007 IEC 61010 1 2010 IEC 60079 1 1 201 1 IEC 60079 31 2008 IECEx TRC 13 0017X IECEx MSC14 0021X Ex d ia I Mb Ex d ia IIC T4 Gb Ex ia IIIC T1 10 C Db 40 C Ta 75 C IP64 For Remote Connection Dependent upon Sensor Refer to Certificate and User Manual With IR Type Sensor Installed See Special Condition...

Page 31: ... CAN CSA C22 2 No 60079 0 CAN CSA C22 2 No 60079 1 CAN CSA C22 2 No 60079 1 1 FM 3600 FM 3615 UL 913 See 096 3506 B and 096 3507 B For Remote Connection Dependent upon Sensor Refer to Certificate and User Manual With IR Type Sensor Installed EMC Industry Canada EMC EMC Directive ATEX Directive Table 1 5 Certifications and Approvals 3 or 4 Wire Detector Head Continued Model No with Sensor 096 3484 ...

Page 32: ... d ia IIC T4 Gb II 2 D Ex ia IIIC T80 C Db 40 C Ta 75 C IP64 For Integral Connection to Transmitter See Special Conditions for Safe Use EN 60079 0 2012 A1 1 2013 EN 50104 2010 EN 5501 1 2009 A1 2010 EN 60079 1 2007 EN 60079 29 1 2007 EN 50270 2015 EN 61010 1 2010 EN 60079 1 1 2012 EN 60079 31 2009 EN 50271 2010 IECEx TRC 13 0017X IECEx MSC14 0021X Ex d ia I Mb Ex d ia IIC T4 Gb Ex ia IIIC T80 C Db...

Page 33: ...nd 096 3507 B For Integral Connection to Transmitter Any Meridian Sensor Installed TRAC13ATEX0049X I M1 Ex ia I Ma II 1 G Ex ia IIC T4 Ga II 1 D Ex ia IIIC T80 C Da 40 C Ta 75 C IP64 For Remote Connection See Special Conditions for Safe Use EN 60079 0 2012 A1 1 2013 EN 50104 2010 EN 5501 1 2009 A1 2010 EN 60079 1 2007 EN 60079 29 1 2007 EN 50270 2015 EN 61010 1 2010 EN 60079 1 1 2012 EN 60079 31 2...

Page 34: ...IP64 For Remote Connection See Special Conditions for Safe Use IEC 60079 0 201 1 IEC 60079 26 2006 IEC 60079 1 2007 04 IEC 60079 29 1 2007 IEC 61010 1 2010 IEC 60079 1 1 201 1 IEC 60079 31 2008 CAN CSA C22 2 No 60079 0 CAN CSA C22 2 No 60079 1 CAN CSA C22 2 No 60079 1 1 FM 3600 FM 3615 UL 913 See 096 3506 B and 096 3507 B For Remote Connection EMC Directive ATEX Directive EMC Industry Canada EMC T...

Page 35: ...en tested and comply with the following directives standards or standardized documents for the applicable sensor model numbers Table 1 7 Certifications and Approvals E Chem Sensors Model No 096 3473 01 to 096 3473 54 Specific Directives Standards TRAC13ATEX0049X IECEx TRC 13 0017X Ex ia I Ma Ex ia IIC T4 Ga Ex ia IIIC T80 C Da IEC EN 60079 0 2012 IEC EN 60079 26 2007 EN 50104 2010 IEC EN 60079 26 ...

Page 36: ...IIC T185 C Da IEC EN 60079 0 2012 IEC EN 60079 26 2007 IEC EN 60079 26 IEC EN 60079 1 2007 IEC EN 60079 29 1 2007 IEC EN 61010 1 2010 IEC EN 60079 1 1 2012 IEC EN 60079 31 2009 EN 50104 2010 EN 5501 1 2009 A1 2010 EN 50270 EN 50271 2010 EMC Industry Canada EMC Table 1 9 Certifications and Approvals IR Sensors Model No 096 3473 56 096 3473 58 Specific Directives Standards TRAC13ATEX0049X IECEx TRC ...

Page 37: ...ion Regulations Export reexport or diversion contrary to U S law is prohibited EN 50104 2010 EN 5501 1 2009 A1 2010 EN 50270 2015 EN 50271 2010 EMC Industry Canada EMC Table 1 10 Certifications and Approvals All Models Certificate NCC 14 31 10X Table 1 9 Certifications and Approvals IR Sensors Continued Model No 096 3473 56 096 3473 58 Specific Directives Standards ...

Page 38: ...e manufacturer may perform repairs to components Additionally industry standards codes and legislation are subject to change Users must obtain updated copies to ensure the most recently issued regulations standards and guidelines are available Observed all pertinent regional and local safety regulations when handling and disposing of hazardous material Toxic E Chem Sensors batteries and other simi...

Page 39: ... S SAFETY PROTOCOLS WARNING ENSURE THE ATMOSPHERE IS FREE FROM COMBUSTIBLE AND OR TOXIC GASES PRIOR TO STARTING ANY OF THE PROCEDURES FAILURE TO DO SO COULD RESULT IN INJURY OR DEATH WARNING THE DEVICE ONLY DETECTS GASES WHILE POWERED FAILURE TO HEED THIS WARNING COULD RESULT IN INJURY OR DEATH WARNING WHEN THE PRIMARY DEVICE IS OFF LINE ENSURE YOU HAVE ANOTHER ONLINE DEVICE TO ACTIVELY DETECT GAS...

Page 40: ...ON Protect the device from dripping liquids and high power sprays Failure to do so could seriously damage the device CAUTION Do not expose the device to continuous severe mechanical or electrical shock Doing so could seriously damage the device CAUTION Use only a sensor assembly compatible with the device and approved by the Company CAUTION Periodically verify alarm operation by exposing the devic...

Page 41: ...SSARY CAUTION Be aware of poisoned combustible sensors The operation of catalytic type combustible gas sensors may be seriously affected by silicones free halogens halogenated hydrocarbons and metallic oxides present in the ambient air being monitored If the presence of any of these substances is suspected increased frequency of calibration verification is recommended CAUTION Exposure to sulfur co...

Page 42: ...IS GUIDE 1 26 USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited This page is intentionally left blank ...

Page 43: ... SERVE AS A SUBSTITUTE FOR THE USER GUIDE ALL INDIVIDUALS WHO HAVE OR WILL HAVE THE RESPONSIBILITY OF USING OR SERVICING THE DEVICE MUST READ AND UNDERSTAND THE ENTIRE CONTENTS OF THE USER GUIDE PRIOR TO OPERATION FAILURE TO DO SO MAY RESULT IN SERIOUS INJURY OR DEATH Table 2 1 Quick Reference Guide Item Object TypicalConfigurations Remote Intrinsically safe cable distance from transmitter to any ...

Page 44: ...TA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Mounting Aluminum Device Local Mounting Merid ian J Box Assembly Al Table 2 1 Quick Reference Guide Item Object ...

Page 45: ... is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Typical Wiring 3 Wire Sourcing This is an example Other wiring configurations are possible and vary based on each application Table 2 1 Quick Reference Guide Item Object 1 0 ...

Page 46: ...ein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Wiring Meridian J Box Assembly Light blue terminal blocks indicate intrinsically safe circuits Tighten plug retention screws Table 2 1 Quick Reference Guide Item Object ...

Page 47: ...lations Export reexport or diversion contrary to U S law is prohibited Wiring MODBUS Table 2 1 Quick Reference Guide Item Object A B RS 485 MODBUS Master To next RTU 1 2 ALARM3 NO C NC NO C NC FAULT ALARM1 NC C NO ALARM2 NC C NO RMT ACK TERM NOT TERM LP1 11 1 LP2 LP3 B B A A RS 485 S 10 30VDC GND GND V J3 For Last Node Only J4 For Node 1 2 3 Next To Last Node DUP RS 485 ...

Page 48: ...ser level pass word The default password is 0000 Table 2 1 Quick Reference Guide Item Object ALARM1 NC C NO ALARM2 NC C NO RMT ACK TERM NOT TERM 1 B A A RS 485 S GND Yellow Lamp Red Lamp Power MAIN MENU INFORMATION SETUP CALIBRATION DATALOG DISPLAY USER ACCESS ZERO CAL SPAN CAL CAL GAS CONC 50 0 SENSOR LIFE 100 CAL FACTOR 0 411 SEN 1 CALIBRATION 0 APPLY ZERO GAS ZERO SET 100 APPLY 100 GAS 50 GAS C...

Page 49: ...E MBPARITY 1 MBSTOPBIT RO SENSORS ENABLE 1 MODBUS OFFLINE SENSOR1 NO OFFLINE SENSOR2 NO OFFLINE SENSOR3 NO USER LEVEL 0 ALARM 1 RO SYSTEM ENABLES ALARM 2 ALARM 3 ALARMS SETUP SENSOR 1 4ma OFFSET 0 20ma OFFSET 0 OVER RANGE 21 6 INHIBIT ALL 3 8 RO CURRENT LOOP MODBUS SYSTEM ALARMS CURRENT LOOPS GENERAL MERIDIAN SETUP GENERAL ALARMS CALIBRATION EDITOR CALGAS CONC 25 SPAN SECS PERIOD DAYS 30 PURGE SEC...

Page 50: ...EFERENCE 2 8 USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited This page is intentionally left blank ...

Page 51: ...rized IR sensors are also used to detect carbon dioxide see Appendix A Specifications Standard device features include Selectable Sensor Ranges Multiple ranges available to match your application needs An LCD Provides quick easy user interface UI to menus The LCD may be installed in multiple orientations using its pluggable design and is also visible in bright sunlight An optional heated LCD is av...

Page 52: ...uce downtime and equipped with microprocessor Modular Design Allows easy installation of up to three 3 sensor heads configurable within permitted com binations for local and remote locations using 3 or 4 wire PCB Housings Two 2 available options Aluminum Stainless Steel Optional Communications Supports a variety of communication protocols via PCBs to meet your communi cations needs The device ship...

Page 53: ...etection since some gases rise and some sink Duct Mount Adapter Allows the monitoring of airflow in exhaust or ventilation ducts Calibration Adapter Allows direct calibration flow to the sensor face without dilution from environmental interferences such as wind Sensor Simulator Allows easy troubling shooting acceptance testing SAT and commissioning Simulator is for temporary use only For a complet...

Page 54: ...DUCTION 3 4 USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Figure 3 1 Major Parts of the Monitor ...

Page 55: ... physical damage For lighter than air gases place the device as high as possible above the potential source of the leak For gases with densities equal to air mount the device as close to the potential leak source as practical or as close as possible to breathing level Table 4 1 Gas Density Relative to Air and CAS No Combusti bles LEL provides various gas densities for combustible gases LEL and Tab...

Page 56: ...7664 41 7 0 6 Benzene C6H6 71 43 2 2 7 1 3 Butadiene CH2 CH CH CH2 106 99 0 1 9 Butane CH3 CH2 2CH3 106 97 8 2 0 Carbon Monoxide CO 630 08 0 1 0 Cyclohexane C6H12 1 10 82 7 2 9 Ethane C2H6 74 84 0 1 0 Ethanol C2H5OH 64 17 5 1 6 Ethylene CH2 CH2 74 85 1 1 0 Ethylene Oxide C2H4O 75 21 8 1 5 Heptane C7H6 142 82 5 3 5 Hexane C6H14 1 10 54 3 3 0 Hydrogen H2 1333 74 0 0 1 Hydrogen Sulfide H2S 7783 06 4 ...

Page 57: ...Relative to Air and CAS No Toxic E Chem Gas Symbol CAS No Value Ammonia NH3 7664 41 7 0 6 Arsine AsH3 7784 42 1 2 7 Boron Trichloride BCl3 10294 34 5 6 1 Bromine Br2 7726 95 6 5 5 Carbon Dioxide CO2 124 38 9 1 5 Carbon Monoxide CO 630 08 0 1 0 Chlorine Cl2 7782 50 5 2 4 Chlorine Dioxide ClO2 10049 04 4 2 3 Diborane B2H6 19287 45 7 1 0 Dichlorosilane SlH4Cl2 4109 96 0 3 5 Fluorine F2 7782 41 4 1 3 ...

Page 58: ...of air Accessibility consider future maintenance and calibration requirements Ingress and Egress consider passing traffic areas in regards to personnel forklifts motor vehicles mobile hoists and the like Water and Condensing Humidity water inside the infrared optics adversely affects performance Avoid mounting in locations where water can collect or splash on the sensor head The Company recommends...

Page 59: ...evailing winds exhaust ducts strong air flow through a room and con vection to determine if a leak is more likely to raise gas levels in certain areas within the facility High air velocities result in inaccurate measurement and reduce sensor life Distance all systems that separate the transmitter from the sensor have distance limit specifications Ensure that the application s distance requirements...

Page 60: ...ical hard wired configurations Table 4 5 Hard Wired Configurations Sensor Types Supported for 2 Wire and Table 4 6 Typical Cable Data for Input Power Length Considerations list the sensor types allowed Table 4 3 Hard Wired Configurations Typical Wiring 2 Wire PS PCB 4 20MA Terminal Relay MODBUS RTU RS 485 PCB Optional Comm PCB Local Integral Sensor Local Multiple Sensors Remote Sensors Remote Sens...

Page 61: ...2 E Chem O2 O2 IR CO2 096 3473 58 STOP STOP O2 STOP STOP STOP Combustible IR 096 3473 56 STOP STOP O2 STOP STOP STOP E Chem Sensor P Ns 096 3473 01 thru 096 3473 18 and 096 3473 20 thru 096 3473 54 and Sensor Simulator 096 3395 only Simulator is for temporary use only Note 3 or 4 Wire transmitter allowed sensor combinations used only with IS barrier assembly 096 3448 WARNING STOP DO NOT USE THESE ...

Page 62: ...ired Sensor Configurations Typical Table 4 5 Hard Wired Configurations Sensor Types Supported for 2 Wire Sensor 1 E Chem E Chem sensor P Ns 096 3473 01 thru 096 3473 18 and 096 3473 20 thru 096 3473 54 and Sensor simulator 096 3395 only Simulator is for temporary use only O2 096 3473 19 Note 2 Wire transmitter allowed sensor combinations used only with IS barrier assembly 096 3449 NOTE These are e...

Page 63: ...ble voltage drop by subtracting the device s minimum operating voltage from the power supply s output voltage Then use Table 4 6 Typical Cable Data for Input Power Length Considerations to determine the maximum wiring distance Dir VPowerSupply VMin IMax x RWire x 2 Table 4 6 Typical Cable Data for Input Power Length Considerations Cable Size Awg Cable Size Mm2 Conductor Cross Section Area Mm2 Resi...

Page 64: ...eexport or diversion contrary to U S law is prohibited 4 1 7 Determining Wire Length for RS 485 Cable The device supports up to 1 200 meters RS 485 wiring maximum distance 4 1 8 Determining Wire Length for Remote Sensors Figure 4 2 Examples of Remote Sensor Wire Length provides some examples of the maximum wire length for remote sensors Figure 4 2 Examples of Remote Sensor Wire Length ...

Page 65: ...s meet CSA temp 40 C hook up field lights Need 3 or 4 wire device w heated LCD relay PCB for field devices Need 2 one very accurate CH4 device requiring IR sensor tech higher power reqs 3 or 4 wire Al heated plastic end cap Canada 096 3480 03 2 Monitor CH4 w high accuracy stability CH4 sensor combustible LEL IR 096 3473 56 1 Monitor CH4 CH4 sensor LEL Cat Bead 096 3473 55 1 Monitor CO CO sensor E ...

Page 66: ...S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Figure 4 3 Application Example NOTE This represents only one example The system solution varies on a case to case basis based on the application variables and its objectives For each application please contact your Company sales representative ...

Page 67: ...nstalling the NPT Ex Seal Meridian junction box assembly aluminum and stainless steel Section 4 1 14 Mounting Wiring the Junction Box Assembly AL or SS Meridian junction box assembly spacer kit Section 4 1 16 Meridian Junction Box Assembly Spacer Kit Duct mount fitting both flat and round for meridian detector body Section 4 1 17 Mounting the Detector Body Using a Duct Mount Fitting 3 wire connect...

Page 68: ... facili tate wiring to the device enclosure two threaded NPT conduit fittings are provided See Figure 4 4 Device Mounting Dimensions Aluminum Stainless Steel for details Figure 4 4 Device Mounting Dimensions Aluminum Stainless Steel Optional communication expansion card CEC PCB Section 4 1 24 Installing the Optional Communication Expansion Card CEC PCB Sensor head Section 4 1 25 Connecting a Senso...

Page 69: ...s to the Meridian end cap See Figure 4 5 Retrofit Mounting Plate Dimen sions Al and Figure 4 6 Retrofit Mounting Plate Dimensions HDPE Figure 4 5 Retrofit Mounting Plate Dimensions Al 50 12 70mm 50 X 45 TYP 1 4 20 UNC 2B THRU 2 PLACES 5 00 127 00mm 7 00 177 80mm 4 060 103 12mm 4 750 120 65mm 5 500 139 70mm 5 000 127 00mm 4 750 120 65mm 5 855 148 72mm 2 25 57 15mm 4 14 105 16mm 1 77 44 96mm 313 HRU...

Page 70: ... 47 50 mm 1 320 33 53 mm 1 720 43 69 mm 3 120 79 25 mm 4 080 103 63 mm 1 625 41 28 mm 3 250 82 55 mm 2 030 51 56 mm 4 060 103 12 mm 2 500 63 50 mm 5 500 139 70 mm 2 928 74 36 mm 5 855 148 72 mm 500 X 45 CHAMFER 4x 313 7 95 mm 10 x THRU Ø 688 330 3125 7 94 mm 4X THRU Ø 375 250 BACK SIDE 7 000 177 80 mm 5 000 127 00 mm 5 000 127 00 mm PRESS FIT 1 4 20 THREADED INSERT 250 6 35 mm FROM THIS SIDE 500 0...

Page 71: ...ction box assembly in the field Refer to Figure 4 7 NPT Ex Seal Installation Figure 4 7 NPT Ex Seal Installation 1 Unscrew the setscrew and housing cover 2 Pull on the LCD PCB CPU PCB set away from the four 4 standoffs NOTE This procedure is only necessary if you did not originally order the device configured in this manner from the factory WARNING ENSURE RECEIVERS AND POWER SUPPLIES ARE NOT POWER...

Page 72: ...bly 10 Pull the six 6 wires on top of the Meridian NPT Ex seal into the device s NPT hole 1 1 Screw the Meridian NPT Ex Seal into the device 12 Insert the six 6 wires into the light blue IS terminal block and screw them down see Section 4 1 25 Connect ing a Sensor Head 13 Replace the IS terminal block cover and tighten the two 2 screws 14 Ensure the top of all your applicable plugs with feeding wi...

Page 73: ...e the two 2 wires to the 10 30VDC TB1 19 Replace the LCD PCB CPU PCB set into t he four 4 standoffs and screw the housing cover back on 20 Unscrew the Meridian junction box assembly cover 21 Pull the six 6 wires on bottom of the proof flame proof seal into the Meridian junction box s NPT hole 22 Screw the junction box assembly onto the Meridian NPT Ex seal 23 Insert the six 6 wires into the light ...

Page 74: ...ty of the installation Obtain all conduit from your local vendor Refer to Figure 4 8 Meridian J Box Assem bly Wiring and Mounting Aluminum and Figure 4 9 Meridian J Box Assembly Wiring and Mounting Stainless Steel NOTE Sensor type does not affect wiring NOTE Light blue terminal blocks indicate intrinsically safe circuits Tighten plug retention screws CAUTION Ensure separation between each connecti...

Page 75: ...SE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Figure 4 8 Meridian J Box Assembly Wiring and Mounting Aluminum ...

Page 76: ...AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Figure 4 9 Meridian J Box Assembly Wiring and Mounting Stainless Steel ...

Page 77: ...sor head s over long distances or at much lower or higher elevations than the Meridian transmitter the sensors head s can be setup for remote calibration Remote calibration fittings 077 1385 and 077 1386 screw directly into the Meridian sensor end cap Refer to Figure 4 10 Remotely Mounted Sensor with Calibration Fitting 1 Remove the screw on each end cap 2 Screw in the fitting 3 Run the appropriat...

Page 78: ...configuration refer to Table 4 9 Meridian J Box Assembly Spacer Configurations and Figure 4 1 1 Meridian J Box Assembly Spacer Usage Figure 4 11 Meridian J Box Assembly Spacer Usage Table 4 9 Meridian J Box Assembly Spacer Configurations Retrofit Mounting Plate Behind Device J Box Material Spacer No Retrofit Mounting Plate Al 2 5 8 OD x 250 With Al Retrofit Mounting Plate Al 2 5 8 OD x 750 No Retr...

Page 79: ...diversion contrary to U S law is prohibited 4 1 17 Mounting the Detector Body Using a Duct Mount Fitting Using a duct mount fitting on the Meridian detector body allows the monitoring of airflow in exhaust or ventilation ducts without drying out the device s sensor For details on flow velocities and duct compatibility see Appendix A 1 Device Specifications Figure 4 12 Meridian Duct Mount Fitting ...

Page 80: ... tightening the locking nut The locking nut digs into the washer for a lasting grip Refer to Figure 4 12 Meridian Duct Mount Fitting for details 2 Once assembled position the duct mount fitting onto a duct and mark its position 3 Remove the fitting and drill 1 diameter hole 4 Position the fitting back on the duct over the 1 hole 5 Using a drill insert the 4 self piercing sheet metal screws into pl...

Page 81: ...e Sourcing WARNING ENSURE RECEIVERS AND POWER SUPPLIES ARE NOT POWERED WHEN INSTALLING PCB INTO THE DEVICE FAILURE TO DO SO COULD RESULT IN INJURY OR DEATH WARNING ENSURE THE ATMOSPHERE IS FREE FROM COMBUSTIBLE AND OR TOXIC GASES PRIOR TO STARTING THIS PROCEDURE FAILURE TO DO SO COULD RESULT IN INJURY OR DEATH CAUTION RFI may be generated if wires are not appropriately shielded or share conduit wi...

Page 82: ...es to TB1 on the terminal relay MODBUS RS 485 PCB Specifically the positive connects to Pin2 V and negative connects to Pin1 GND on TB1 NOTE These are examples of typical configurations Other combinations exist and vary based on each configuration NOTE To prevent grounding issues ensure you have a good ground earth wire attached to the housing and back to the receiver s ground NOTE It is not neces...

Page 83: ...g Non Isolated SW1 Settings 7 Locate J3 WiredHART on the power supply PCB Place J3 in the correct position to support your application refer to Table 4 1 1 WiredHART J3 Settings 8 Insert the lower PCB stack into the housing after wiring the terminal blocks 9 Insert and tighten the four 4 standoffs 10 Push the LCD PCB CPU PCB set into the four 4 standoffs 1 1 Install housing cover tighten and secur...

Page 84: ... the lower PCB stack 5 Connect positive and negative leads from VDC power supply wires to TB1 on the 2 wire power supply PCB Specifically the positive connects to Pin1 V and negative connects to Pin2 GND on TB1 refer to Figure 4 16 Connection for 2 Wire for details WARNING ENSURE RECEIVERS AND POWER SUPPLIES ARE NOT POWERED WHEN INSTALLING PCB INTO THE DEVICE FAILURE TO DO SO COULD RESULT IN INJUR...

Page 85: ...ulations Export reexport or diversion contrary to U S law is prohibited Figure 4 16 Connection for 2 Wire 6 Insert the lower PCB stack into the housing after wiring the terminal blocks 7 Insert and tighten the four 4 standoffs 8 Push the LCD PCB CPU PCB set into the four 4 standoffs 9 Install the housing cover tighten and secure the setscrew 10 Apply power to receiver ...

Page 86: ...wer supply wires to TB1 on the isolated 4 20mA PCB specifically the positive connects to Pin2 V and negative connects to Pin1 GND on TB1 5 Connect positive and negative leads from receivers to TB2 on the terminal relay MODBUS RS 485 PCB refer to Figure 4 17 Connection for 4 Wire Sourcing with Isolated Loop Power Supply and Figure 4 18 Connection for 4 Wire Sinking with Isolated Loop Power Supply f...

Page 87: ...8 Insert and tighten the four 4 standoffs 9 Push the LCD PCB CPU PCB set into the four 4 standoffs 10 Install housing cover tighten and secure the setscrew 1 1 Apply power to receiver 12 Insert the lower PCB stack into the housing after wiring the terminal blocks Table 4 12 Sourcing and Sinking Isolated SW1 Settings SW1 Isolated Non Isolated SW1 Settings UP Position CAUTION The SW1 switch can only...

Page 88: ...ed Loop Power Supply NOTE These are examples of typical configurations Other combinations exist and vary based on each configuration VDC Power Supply Receiver Common Output 4 20 mA 10 to 30 VDC Shield ALARM3 NO C NC NO C NC FAULT LP1 11 LP2 RS LP3 B A 10 30VDC V GND Common Receiver Receiver Loop 24VDC P S Shield SW1 Up Isloated SW1 Down Non Isolated ISO SW1 NON J3 Power Supply PCB 1 3 5 NORMAL NOR...

Page 89: ...or 4 Wire Sinking with Isolated Loop Power Supply NOTE Do not mix sinking and sourcing on the same PCB VDC Power Supply Receiver Common 10 to 30 VDC 4 20 mA Shield ALARM3 NO C NC NO C NC FAULT LP1 11 LP2 RS LP3 B A 10 30VDC V GND Common Receiver Receiver Loop 24VDC Output P S Shield SW1 Down Non Isolated ISO SW1 NON J3 Power Supply PCB 1 3 5 NORMAL SW1 Up Isloated NORMAL HART 1 3 5 1 3 5 Dashed Li...

Page 90: ... Receiver 3 wire and Section 4 1 21 Connecting a Device to Other Teledyne Gas Flame Detection Receivers 3 Route wires of appropriate size from source through conduit runs into the device housing see Field Wiring in Appendix A 1 Device Specifications 4 Unscrew the setscrew and housing cover then pull on the LCD PCB CPU PCB set removing it from the four 4 standoffs to gain access to the lower PCB st...

Page 91: ...al Relay MODBUS PCB for details 7 Insert the lower PCB stack into the housing after wiring the terminal blocks 8 Insert and tighten the four 4 standoffs 9 Push the LCD PCB CPU PCB set into the four 4 standoffs 10 Install housing cover tighten and secure the setscrew CAUTION Contacts are rated for resistive loads alarm relays have dry contacts form C and power must be supplied from an external sour...

Page 92: ... RTU is the last device being wired on the MODBUS network 2 Unscrew the setscrew and housing cover then pull on the LCD PCB CPU PCB set removing it from the four 4 standoffs to gain access to the lower PCB stack 3 Set or verify J3 or J4 on the Terminal Relay MODBUS RS 485 PCB as follows 4 For a device at the end of the network with no other RTUs to be wired install the Terminating Resistor into J3...

Page 93: ... to Other Teledyne Gas Flame Detection Receivers 10 TB2 Pin1 and Pin4 are connected internally as are TB2 Pins2 and Pin5 1 1 Insert the lower PCB stack into the housing after wiring the terminal blocks 12 Insert and tighten the four 4 standoffs 13 Push the LCD PCB CPU PCB set into the four 4 standoffs 14 Install housing cover tighten and secure the setscrew 15 When powered up assign unique RTU add...

Page 94: ... 20 pin connector S3 into the male 20 pin connector P3 on the CPU PCB refer to Figure 4 22 Optional Communication Expansion Card CEC PCB Connection for details Figure 4 22 Optional Communication Expansion Card CEC PCB Connection 3 Secure the CEC PCB using the three 3 screws 4 Push the LCD PCB CPU PCB and CEC PCB set into the four 4 standoffs 5 Install housing cover and tighten the setscrew 6 Apply...

Page 95: ...he threaded hole of the device 6 Insert the 6 wires into the 6 pin plug connector TB1 1 2 3 4 5 and 6 respectively Green A yellow B red 3 3V black GND blue GND and white Vadj refer to Figure 4 23 Meridian Detector Body Assembly Connection 7 Replace the terminal block cover using the two 2 Phillip head screws 8 insert the entire PCB stack into the housing after wiring the terminal blocks 9 insert a...

Page 96: ... herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Figure 4 23 Meridian Detector Body Assembly Connection White Vadj 6 Red 3 3V 3 Black GND 4 Yellow B 2 Green A 1 To Universal Sensor Blue GND 5 1 2 3 4 5 6 TB1 ...

Page 97: ... screws WARNING TO AVOID THE POSSIBLE NEED OF RE CALIBRATING A CALIBRATED SENSOR VERIFY THAT THE DEVICE DATE AND TIME AND CORRECT PRIOR TO ACCEPTING SENSORS FAILURE TO DO SO COULD RESULT IN INJURY OR DEATH WARNING THE DEVICE IS NOT ACTIVELY MONITORING TARGET GASES WHEN POWER IS REMOVED VERIFY ATMOSPHERE IS SAFE OR DEVICE ATMOSPHERE WITH ANOTHER DEVICE WHILE INSTALLING A NEW SENSOR TO PREVENT RISK ...

Page 98: ...ble 4 4 Hard Wired Configurations Sensor Types Supported for 3 or 4 Wire VIOLATING OR ARE ATTEMPTING TO VIOLATE SENSOR CONFIGURATION RULES AUTOMATICALLY PLACES THE DEVICE INTO AN IMMEDIATE FAULT MODE THIS IS AN ILLEGAL CONFIGURATION NOT INTRINSICALLY SAFE FAILURE TO ADHERE TO THE CORRECT SENSOR MAPPING COULD RESULT IN INJURY OR DEATH NOTE When a different sensor is detected the LCD displays the op...

Page 99: ...ION 4 45 USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Figure 4 24 Meridian Detector Body Assembly ...

Page 100: ...LATION 4 46 USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited This page is intentionally left blank ...

Page 101: ...Setup see Figure 5 4 Setup Menu Structure Calibration see Figure 5 5 Calibration Menu Structure Datalog see Figure 5 6 Datalog Menu Structure Display see Figure 5 7 Display Menu Structure and User Access see Figure 5 8 User Access Menu Structure WARNING ONLY TRAINED INDIVIDUALS WHO HAVE READ THIS MANUAL AND UNDERSTAND THE CALIBRATION PROCEDURES SHOULD CONFIGURE THE DEVICE FAILURE TO FOLLOW THESE I...

Page 102: ...tion Allows zeroing and spanning the sensors System manager access SMA factory default is 0000 Allows viewing of transmitter information Allows zeroing and spanning the sensors Allows changing system parameters Access to certain value entry menus and individual parameters are restricted and denoted by RO Read Only located in the top left hand corner of the menu screens They require a user access R...

Page 103: ...5 RO ALARM 1 SETUP SETUP MENU MBADDRESS 1 MERIDIAN SETUP SENSOR 1 SETUP CHANGE ACCESS CODE BACKUP RESTORE MBBAUDRATE DIS NONE MBPARITY 1 MBSTOPBIT RO MODBUS ALARM 1 ALARM 2 ALARM 3 RO SYSTEM ENABLES SENSORS ENABLE 3 OFFLINE SENSOR1 NO OFFLINE SENSOR2 NO OFFLINE SENSOR3 NO USER LEVEL 0 1 SENSOR ALARMS SETUP 4ma OFFSET 0 20ma OFFSET 0 INHIBIT 3 8 OVER RANGE 21 6 RO CURRENT LOOP MODBUS SYSTEM ALARMS ...

Page 104: ...TEM MANAGER FACTORY ENTER SYSTEM MANAGER 0 ACCEPTED 0 0 0 ENTER FACTORY 0 ACCEPTED 0 0 0 MAIN MENU INFORMATION SETUP CALIBRATION DATALOG DISPLAY ACCESS OPER ATOR MAIN MENU INFORMATION SETUP CALIBRATION DATALOG DISPLAY ACCESS SYS MGMT MAIN MENU INFORMATION SETUP CALIBRATION DATALOG DISPLAY FACTORY ESC ENTER ESC ENTER ZERO CAL SPAN CAL CAL GAS CONC 50 0 SENSOR LIFE 100 CAL FACTOR 0 411 SEN 1 CALIBRA...

Page 105: ...ion Menu Structure MAIN MENU INFORMATION SETUP CALIBRATION DISPLAY DATALOG USER ACCESS MERIDIAN INFO CEC X INFO SENSOR X INFO MERIDIAN INFO INFORMATION GENERAL LIVE CAL INFO NAME TankRm A12 SN XFRE1235 MODEL 511CL UPTIME 271171 REV 1 0 4 CAL DATES SENSOR X INFO REV 1 13 SENSOR X GEN SN 115Ayyww GAS TYP H2S GAS UNT PPM MODEL ECHEM TYPE 1 UPTIME 270555 SENSOR X LIVE GASCONC 0 0 VOLTS 2 758 TEMP C 19...

Page 106: ... time in Seconds for up to 4 billion Revision Displays the Revision of the Firmware CEC X Info Communication Extension Card Information Type The CEC_Type If Optional Communication PCB CEC is not installed in device then Type displays Not Installed HW FW The CEC HW FW This is a combined CEC hardware and firmware bytes TX CEC This is a bit defined status of the TX CEC interface based on this table T...

Page 107: ...Complete Network Status byte bit0 Ready to Communicate bit1 Spare bit2 Spare bit3 Spare bit4 Spare bit5 Spare bit6 Connection Status States Status below bit7 Connection Status States Status below States Status of bits6 7 bit6 7state 0 0 Status Reserved bit6 7state 1 0 Status Discovery Field device is looking for other neighbors bit6 7state 0 1 Status Joining Field device is in the join process typ...

Page 108: ...1 E Chem 2 IR 3 Cat Bead Rev Displays the firmware revision installed on the Sensor For example 1 12 Sensor X Live GasConc Displays gas concentration from the sensor Displays with or without deci mal points as appropriate Volts Displays the Sensor Voltage Temp C Displays the Sensor Temperature in C Gas A D Displays the A D output the raw count Sensor X Cal Dates Mfg Date Displays manufactured date...

Page 109: ...TUP SENSOR 1 SETUP CHANGE ACCESS CODE BACKUP RESTORE MBBAUDRATE DIS NONE MBPARITY MBSTOPBIT 1 RO MODBUS ALARM 1 ALARM 2 ALARM 3 RO SYSTEM ENABLES SENSORS ENABLE 1 OFFLINE SENSOR1 NO OFFLINE SENSOR2 NO OFFLINE SENSOR3 NO USER LEVEL 0 SENSOR 1 ALARMS SETUP 4ma OFFSET 0 20ma OFFSET 0 OVER RANGE 21 6 INHIBIT ALL 3 8 RO CURRENT LOOP SYSTEM MODBUS ALARMS CURRENT LOOPS GENERAL MERIDIAN SETUP GENERAL CALI...

Page 110: ... minutes while using a higher user access level Select from 0 no access Allows viewing of transmitter information 1 operator access OA Allows viewing of transmitter informa tion zeroing and spanning the sensors 2 system manager access SMA Allows viewing of transmit ter information zeroing and spanning the sensors and changing system parameters See Table 5 9 User Access Menu Parameters MODBUS MB Ad...

Page 111: ...alarm is off In fail mode power is off and alarm is on Off Delay M Allows entering a delay before clearing an alarm after the alarm condition is gone This is useful for continuing an alarm function such as operation of an exhaust fan for a period of time after the alarm condition clears Range 0 to 120 Current Loop Sensor X Selects the Sensor Range 1 to 3 NOTE For multi sensor Meridians the sensor ...

Page 112: ...tter reports a general fault Default 3 6mA Options 1 0mA or 3 6mA General Time Date Allows editing the time and date settings Time in military format and date is mm dd yy format N A Editor Name An editable 16 ASCII charter text string Typically used to identify the monitored point by your tag or other familiar terminol ogy Lat Allows entry of degrees and fraction of degrees Long Allows entry of de...

Page 113: ...E Chem Sensor s Range Dead Band FS Allows forcing low values to continue to read zero This is useful when there are small amounts of background gases that cause fluctuating read outs above zero The highest amount of deadband allowed is 5 0 FS 0mA output Range 0 to 5 Display Negative Yes Select to display negative gas monitor values No Select not to display negative monitor values Causes negative v...

Page 114: ...e monitoring H2S you could make the SET 15 and the RESET 10 Conversely if you are monitoring O2 you could make the SET 19 and the RESET 20 This accommodates the different gas properties and provides you the flexibility to customize your settings For combustible Range 0 to 60 of sensor range For toxic Range 0 to 100 of sensor range AlarmX Reset Enter the Engineering Unit value The Reset is the gas ...

Page 115: ...minimum user access level required to access this particular parameter Table 5 4 Change user Access Setup Menu Parameters Item Sub Item Description OA SMA User Access Operator Allows changing the 4 digit access for operator access To change this parameter you must already be at System manager level If not this parameter is RO See Table 5 9 User Access Menu Parame ters System Manager Allows changin...

Page 116: ...d in this function Restore Set tings Yes Performs restore No Cancells restore Note Registers TX_OffsetMBSlaveAddress to TX_OffsetTXLongitude registers are all included in this function Restore Fac tory Enter Performs factory restore Esc Cancells factory restore Note The values are maintained for these registers TX_OffsetTXModel Number TX_OffsetTXSerialNumber TX_OffsetTXCodeVersion TX_Off setTXData...

Page 117: ...bort Cal Gas Conc Sets the amount of cal gas used based on the value found on the target gas cylinder once Enter is pressed For example for Methane target gas label indicates 2 5 50 LEL The units of measure is sensor dependent Displays results Saved or Aborted Press Escape to abort Sensor Life Displays the amount of sensor life remaining Range 0 to 100 Cal Factor Displays the resolution of the sen...

Page 118: ...D Year month and day of the log Each event line format is HHMM Hour and minutes from the date stamp EC Event Code from the logged event and EventData Event codes EC EVENTDATA DESCRIPTION SU YYMMDDHHMMSS Startup SD YYMMDD Set date with YMD ST HHMMSS Set time with HMS FC Low Volts Brownouts below 10V FC SV Mismatch SV Mismatch FC XXXXXXXXWDog SW WDT Fire FC XXXXXXXXDiag Diag Safety FC MB_Address MB ...

Page 119: ...et Time with hour minute second RC XXXX RCON bits with RCON Reserved for Technical Support OS XXXX OSCON bits For Internal use only CL Clear log PW x accepted Failed X is user access level Sn GasConc Only log when changed on screen TN TXName TS TXSerialNumber TV TXCodeVersion RF Restore factory default Rn No Latch Fsafe FC nXXXh NAN Not a number float FC nXXXh INF Infinity float FC nXXXh DEB Debug...

Page 120: ...B Debug mb register C 123 message Span Z 123 message Zero SM nXXX yyyyyyyy Save to sensormb register nXXX isregister address yyyyyyyy is value of string TM OOOO Save to TX mb register OOOO is defined in gui_defines hSET UP_PARMS The function saves ALL to TX FRAM anyway don t care what OOOOis TT xxxCH 01 TX temperature heater o or 1 on off T 123 xxxxC Sensor temperature IM SensorModelNumber Rightaf...

Page 121: ...nd Table 5 8 Display Setup Menu Parameters Figure 5 7 Display Menu Structure Table 5 8 Display Setup Menu Parameters Item Sub Item Description OA SMA LCD Setup Power Save Enable Lights when any key is hit and then times out to save power Disabled LCD stays on continuously Contrast For adjusting the LCD s Contrast Range 0 to 4 N A Backlight For adjusting the LCD s Backlight Range 0 to 100 N A Indic...

Page 122: ... access to certain parameters Four 4 digit format This setting times out after 5 minutes and then defaults to the access level See Table 5 2 Transmitter Setup Menu Parameters System Manager Access SMA Used to enter System Manager Access Used to restrict access to certain parame ters Four 4 digit format This setting times out after 5 minutes and then defaults to the access level See Table 5 2 Trans...

Page 123: ... BY CASE BASIS THE COMPANY PROVIDES THESE AS EXAMPLES ONLY WHEN WORKING IN A POTENTIALLY HAZARDOUS SITUATION THE CHOICE OF IMPROPER SETTINGS FOR THE MERIDIAN GAS DETECTOR COULD RESULT IN INJURY OR DEATH CONSULT YOUR ORGANIZATION S SAFETY MANAGER OR THE COMPANY FOR GUIDANCE ON SETTING THE PROPER PARAMETERS FOR YOUR PARTICULAR APPLICATION Table 5 10 Combustible LEL Example CH4 Category Item Selectio...

Page 124: ...Perform CH4 default Cal Gas Transmitter Alarm Logic Latch Relay Non Failsafe NO Off Delay MINS 0 Current Loops 4mA Offset 0 Current Loops 20mA Offset 0 Current Loops Inhibit 3 8mA Time Date Set Confirm Editor Edit name Lat or Long Sensor Range 100 Dead Band 0 Display Negative No Warm Up SECS MINS HRS 1M Gas Type CH4 Gas Units Alarm Set 1 10 default Alarm Reset 1 9 default Alarm Set 2 25 default Al...

Page 125: ...r the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Sensor cont Editor Gas 2 Enter unique name MODBUS Address 1 Baud Rate 9600 Parity None Stop Bit 1 Application Sensor Technology Cat Bead Gas to Detect CH4 Methane Table 5 10 Combustible LEL Example CH4 Continued Category Item Selection ...

Page 126: ...nto Transmitter Sensor 1 Carbon Monoxide New Sensor Reject Accept CO 0PPM Carbon Monoxide 0 50 Scale Automatic System Sensors Enable 1 Sensor 1 Online User Access Enter 4 Digits Sensor Calibration Setup Cal Gas Conc 20 to 80 Full Scale of setting Cal Gas Type CO Period DAYS 90 Span SECS 300 Purge SECS 60 Decimal 1 Sensor Calibration Zero Calibration Perform Span Calibration Perform CO default Cal ...

Page 127: ...o 10 is selectable Dead Band 0 Display Negative No Warm Up SECS MINS HRS 1M Gas Type Carbon Monoxide Gas Units 0 to 50PPM Alarm Set 1 5PPM default Alarm Reset 1 4 5PPM default Alarm Set 2 12 5PPM default Alarm Reset 2 1 1PPM default Alarm Set 3 27 5PPM default Sensor cont Alarm Reset 3 22 5PPM default Editor Name Enter unique name Editor Gas 1 Enter unique name Editor Gas 2 Enter unique name MODBU...

Page 128: ...Automatically when Sen sor installed into Transmitter Sensor 1 Oxygen New Sensor Reject Accept O2 20 9 Oxygen 0 25 Scale Automatic System Sensors Enable 1 Sensor 1 Online User Access Enter 4 Digits Sensor Calibration Setup Cal Gas Conc Zero with N2 nitrogen Span with Zero Air Cal Gas Type Zero with N2 nitrogen Span with Zero Air Period DAYS 30 Span SECS 300 Purge SECS 60 Decimal 1 Sensor Calibrati...

Page 129: ...is used in this example Note Another range of 0 to 10 is selectable Dead Band 0 Display Negative No Warm Up SECS MINS HRS 1M Gas Type Oxygen Gas Units Alarm Set 1 19 5 default Alarm Reset 1 20 5 default Alarm Set 2 16 0 default Alarm Reset 2 17 0 default Alarm Set 3 22 5 0 default Alarm Reset 3 21 0 default Editor Name Enter unique name Editor Gas 1 Enter unique name Editor Gas 2 Enter unique name...

Page 130: ... OFF Delay M 0 Alarm2 Logic No Latch Relay Non Failsafe OFF Delay M 0 Alarm3 Logic No Latch Relay Non Failsafe OFF Delay M 0 TX Setup MODBUS MBAddress 0 Baud Rate DIS Parity None Stop Bit 0 Sensor X Setup General Deadband FS Sensor dependent Sensor X Setup General Display Negative NO Sensor X Setup General Warm Up SECS Sensor dependent Sensor X Setup Calibration Span 300SECS 5mins Sensor X Setup C...

Page 131: ...iversion contrary to U S law is prohibited User Access Operator 0000 System Manager 0000 Note Blank cells indicate no corresponding Sub Item NOTE For Sensor defaults and ranges see Table A 2 Combustible LEL IR Cat bead Sensor Specifications and Table A 3 Toxic E Chem Sensor Specifications Table 5 13 Key Device Configuration Defaults Continued Item Sub Item 1 Sub Item 2 Factory Default Customer Set...

Page 132: ...r address for the data associated with GasConc for Sensor1 Table 5 16 MODBUS Registers Sensor X Data shows D0 Hex The offset is 1000 Hex D0 Hex is 4096 decimal 208 decimal 4304 decimal Next take 4304 decimal 40001 decimal 44305 which is the MOD BUS register address for the GasConc for Sensor1 EXECUTING WRITE REGISTER FUNCTIONS WILL ALTER EXTERNAL DEVICES AND THUS THEIR BEHAVIOR NEVER WRITE TO ANY ...

Page 133: ... device 1 Sensor 1 2 Sensor 2 3 Sensor 3 0 TX Some commands may have extra parameters that is what TXParameter1 10 are for INT16U 2 40082 51 R W TXCmdParameter1 INT16U 2 40083 52 R W TXCmdParameter2 INT16U 2 40084 53 R W TXCmdParameter3 INT16U 2 40085 54 R W TXCmdParameter4 INT16U 2 40086 55 R W TXCmdParameter5 INT16U 2 40087 56 R W TXCmdParameter6 INT16U 2 40088 57 R W TXCmdParameter7 INT16U 2 40...

Page 134: ...it 1 Sensor in alarm bit 0 sensor 1 bit 1 sensor 2 bit 2 sensor 3 INT16U 2 40121 78 R FaultStatus bit 1 fault bit0 sensor 1 bit1 sensor 2 bit2 sensor 3 INT16U 2 40122 79 R InhibitStatus bit 1 Sensor is in Inhibit bit0 sensor 1 bit1 sensor 2 bit2 sensor 3 INT16U 2 40123 7A R CalStatus bit 1 Sensor Cal Due bit0 sensor 1 bit1 sensor 2 bit2 sensor 3 INT16U 2 40124 7B R SensorConnected bit0 sensor 1 bi...

Page 135: ...6U 2 40132 83 R TXStatus bit0 TX Fault fault record holds the fault code bit1 Loop1 current halt 1 halt bit2 Loop2 current halt 1 halt bit3 Loop3 current halt 1 halt bit4 Spare bit5 System inhibit 1 inhibit bit6 GUI Edit Mode bit7 10 undefined bit1 1 remote configuration lockout bits12 15 undefined INT16U 2 System Inhibit Normal Alarm 40133 84 R TXOptions bit0 2 wire bit1 3 4 wire bit2 battery opt...

Page 136: ...bit6 Sensor connected bit7 Sensor calibrating bit8 Sensor Cal due bit9 Loop signaling 0 live 1 fixed bit10 Spare bit1 1 Spare bit12 Spare bit13 Spare bit 14 15 Reserved INT16U 2 Normal Alarm 40135 86 R Sensor2SensorStatusHL INT16U 2 Normal Alarm 40136 87 R Sensor3SensorStatusHL INT16U 2 Normal Alarm 40137 88 R Sensor1GasConc10Bit 200 0 Full Scale 1000 100 Full Scale 0 25 Full Scale INT16U 2 RD 401...

Page 137: ...tocol error 7 Undefined error INT16U 2 40177 B0 R W TXCurrentDate Transmitter s current date BCD format 00 year month day INT32U 4 Tx Info Tx Setup 40179 B2 R W TXCurrentTime Transmitter s current time BCD format 00 hour min sec INT32U 4 Tx Info Tx Setup 40257 100 R Sensor1GasConc Linearized and temp compensated gas con centration These values are floats that match the decimal place and displayed ...

Page 138: ... l R LoopCurrent2 FP32 4 40267 10 A R LoopCurrent3 FP32 4 40337 150 R Sensor1GasConcASCII 6 char string This is what is displayed on the LCD includes decimal point CHAR 8 40341 154 R Sensor1GasUnitsASCII 4 char string This is what is on the display gas units CHAR 6 40344 157 R Sensor2GasConcASCII CHAR 8 40348 15B R Sensor2GasUnitsASCII CHAR 6 40351 15E R Sensor3GasConcASCII CHAR 8 40355 162 R Sens...

Page 139: ...mitter Configuration Parameters Register HEX Add Access Description Data Type Bytes 7800 WIred HART WIreless HART ISA100 11a 40513 200 R MBSlaveAddress TX MODBUS address 1 247 INT08 1 40514 201 R MBSlaveBaudIndex TX MODBUS baudrate 1 9600 2 19200 2 is default INT08 1 40515 202 R MBSlaveParity TX MODBUS parity type 0 none 1 odd 2 even even is default When parity even odd 1 stop bit When parity none...

Page 140: ...se pt 3 French fr 4 Russian ru 5 Chinese zh 6 15 Reserved bit5 4 Date format 0 MDY 1 DMY 2 YMD 3 Reserved bit7 6 Daylight saving time 0 Off 1 On 2 Reserved 3 Reserved INT08 1 40519 206 R W Alarm1Logic When latching acknowledge is required bit0 0 nonlatching 1 latching bit1 0 nonfailsafe 1 failsafe INT08 1 Tx Setup 40520 207 R W Alarm2Logic INT08 1 Tx Setup 40521 208 R W Alarm3Logic INT08 1 Tx Setu...

Page 141: ... 20A R W S1CurrentLoopOffset signed byte 128 to 127 INT08 1 Tx Setup 40524 20B R W S2CurrentLoopOffset INT08 1 Tx Setup 40525 20C R W S3CurrentLoopOffset INT08 1 Tx Setup 40529 210 R S3PrevGasType INT08 1 40530 21 1 R W S1CurrentLoop20mAOffset signed byte 128 to 127 INT08 1 Tx Setup 40531 212 R W S2CurrentLoop20mAOffset INT08 1 Tx Setup 40532 213 R W S3CurrentLoop20mAOffset INT08 1 Tx Setup 40594 ...

Page 142: ...or enabling operator level functions binary 4 digit number Ie 0000 INT16 U 2 40601 258 R W SysMgrPassword Access Access for enabling sys mgr functions binary 4 digit number Ie 0000 INT16 U 2 40607 25E R TXDataBaseVersion High byte major low byte minor INT16 U 2 40659 292 R W InhibitCurrent_FP32 The 4 20mA output that is sent when the device is in inhibit mode in 1mA steps FP32 4 Tx Setup 40753 2F0...

Page 143: ...bly s is subassy 08 is the year of manufacture 16 is the week of manufacture xxxxxx is the sequential number produced within the week 14 chars ASCII CHAR 16 Tx Info 40775 306 R TXCodeVersion Firmware version 4 chars ASCII CHAR 6 Tx Info 40778 309 R W TXLatitude 10 chars Null terminated CHAR 12 Tx Setup 40784 30F R W TXLongitude 10 chars Null terminated CHAR 12 Tx Setup Table 5 15 MODBUS Registers ...

Page 144: ...US Registers Sensor X Data Register HEX Add Access Description Data Type Bytes 7800 WIred HART WIreless HART ISA100 11a 40059 3A R ZeroOffset INT16U 2 Sensor Gen Sensor Info 40097 60 R CurrentCalTemperature Updated by the sensor when span is com plete xx x C FP32 4 Sensor Gen Sensor Info 40103 66 R W CalGasConc Default is 50 FS FP32 4 Sensor Setup 40105 68 R CurrentCalFactor Updated by the sensor ...

Page 145: ...re bit8 Under_Volt_Fault processor undervolts bit9 Over_Volt_Fault processor overvolts bit10 Sensor_Fault mainly ADC overrange bit1 1 Spare bit12 NV_MEM_Fault read verify failed after write bit13 WDT_Fault bit14 Startup_Fault EEPROM or proc DCO bit15 IIC_Fault I2C bus error INT16U 2 40167 A6 R SensorVoltage mV INT16U 2 Sensor Live 40168 A7 R GasAtoD 10bit 0 1023 current AtoD output INT16U 2 Sensor...

Page 146: ...Units INT08U 1 Sensor Gen Sensor Setup 40291 122 R W GasRangeIndex Indicates current Gas Range Upper nibble displays decimal point Bits 0 3 Index to ranges gain indexes Bit4 5 1 2 display DP 0 0 1 1 2 2 INT08U 1 Sensor Setup 40293 124 R W DisplayNegative Display negative or 0 when negative bit0 0 no 1 yes INT08U 1 Sensor Setup 40294 125 R SensorLife Percentage of sensor life left 0 100 INT08U 1 Se...

Page 147: ... R InstallZeroOffset Zero offsets ADC count INT16U 2 40360 167 R S1PriorZeroOffset Zero offsets ADC count INT16U 2 40361 168 R W CalibrationPeriod Number of days between calibrations INT16U 2 Sensor Setup 40362 169 R W SpanTimer This particular sensor timer is used during Span In Seconds Min of 5 Mins Max of 10Mins INT16U 2 Sensor Setup 40363 16A R W PurgeTimer Time after span that output is inhib...

Page 148: ...efault range Example 0x0A01 Eunits ppm INT16U 2 Sensor Setup 40378 179 R S1MaxCalFactor0 Minimum acceptable cal factor INT16U 2 Sensor Setup 40379 17A R GasRange1 INT16U 2 Sensor Setup 40380 17B R GainEunits1 INT16U 2 Sensor Setup 40381 17C R MaxCalFactor1 INT16U 2 Sensor Setup 40382 17D R GasRange2 INT16U 2 Sensor Setup 40383 17E R GainEunits2 INT16U 2 Sensor Setup 40384 17F R MaxCalFactor2 INT16...

Page 149: ... 2 Sensor Setup 40390 185 R MaxCalFactor4 INT16U 2 Sensor Setup 40391 186 R GasRange5 INT16U 2 Sensor Setup 40392 187 R GainEunits5 INT16U 2 Sensor Setup 40393 188 R MaxCalFactor5 INT16U 2 Sensor Setup 40394 189 R GasRange6 INT16U 2 Sensor Setup 40395 18A R GainEunits6 INT16U 2 40396 18B R MaxCalFactor6 INT16U 2 40397 18C R GasRange7 Highest range INT16U 2 40398 18D R GainEunits7 Gain 1 0 Eunits I...

Page 150: ...sor Dates 40453 1C4 R PriorCalDate Calibration dates 00 yy mm dd BCD format 1st byte always 0x00 INT32U 4 Sensor Dates 40455 1C6 R CurrentCalDate Calibration dates 00 yy mm dd BCD format 1st byte always 0x00 INT32U 4 Sensor Dates 40529 210 R KFactor This is the ratio between the calgastype and the gastype FP32 4 40531 212 R MfgCalFactor Cal factors FP32 4 40533 214 R InstallCalFactor Cal factors F...

Page 151: ...eset points xx x defaults to a 9 of FS FP32 4 Sensor Setup 40547 222 R W Alarm2Setpoint Alarm set reset points xx x defaults to a 25 of FS FP32 4 Sensor Setup 40549 224 R W Alarm2ResetPoint Alarm set reset points xx x defaults to a 22 of FS FP32 4 Sensor Setup 40551 226 R W Alarm3Setpoint Alarm set reset points xx x defaults to a 50 of FS FP32 4 Sensor Setup 40553 228 R W Alarm3ResetPoint Alarm se...

Page 152: ...location CHAR16 18 Sensor Setup 40676 2A3 R SensorModelNumber ASCII date 2 bytes per register CHAR8 10 Sensor Gen 40681 2A8 R SensorSerialNumber sn ex 1 15Ayywwnnnnnn 1 15 is the company Monroe A is assembly s is subassy 08 is the year of manufacture 16 is the week of manufacture xxxxxx is the sequential number produced within the week CHAR14 16 Sensor Gen 40689 2B0 R SensorCodeVersion 4 char stri...

Page 153: ...including during the silent intervals When the first field the address field is received each device decodes it to find out if it is the addressed device Following the last transmitted character a similar interval of at least 3 5 character times marks the end of the mes sage A new message can begin after this interval The entire message frame must be transmitted as a continuous stream If a silent ...

Page 154: ...us 02 Read Input Status 03 Read Holding Reg isters 04 Read Input Registers 05 Write Single Coil 06 Write Single Regis ter 15 Write Multiple Coils 16 Write Multiple Reg isters The Data field contains the requested or send data Two kinds of error checking methods ASCII or RTU are used for standard MODBUS networks The error checking field contents depend upon the method that is being used When RTU mo...

Page 155: ...10 2 of 2 provides details about the TXCommand structure and individuals TXCommands TX 0 Sensor1 1 Sensor2 2 Sensor3 3 WARNING EXECUTING WRITE REGISTER FUNCTIONS WILL ALTER EXTERNAL DEVICES AND THUS THEIR BEHAVIOR NEVER WRITE TO ANY PLC ADDRESS UNLESS YOU UNDERSTAND THE DEVICE PERFORMANCE OR OPERATION CHANGES THAT WILL RESULT AND HAVE DETERMINED THAT THE CHANGES WILL NOT CREATE AN UNSAFE SITUATION...

Page 156: ...U S law is prohibited Table 5 18 Structure of Configuration Registers for TXCommand Configuration Registers TXCommand TXCmdParameter1 TXCmdParameter2 TXCmdParameter3 TXCmdParameter4 TXCmdParameter5 TXCmdParameter6 TXCmdParameter7 TXCmdParameter8 TXCmdParameter9 TXCmdParameter10 Note Upper nibble defined Bits 15 12 selects the device 0 TX 1 Sensor1 2 Sensor2 3 Sensor3 Goes into high nibble of comma...

Page 157: ...e X refers to either sensor1 2 or 3 For example 0x1001 is for sensor1 0x2001 is for sensor2 0x3001 is for sensor3 Zero Param1 10 N A Examples 0x1001 Zero Sensor1 0x2001 Zero Sensor2 0xX002 Span Param1 10 N A Examples 0x1002 Span Sensor1 0xX003 Inhibit System and Sensor Param1 bit15 1 Inhibit 0 Not inhibit Inhibit timer set to 5 Mins Examples 0x1003 inhibit sensor1 0xX004 Reserved 0xX005 0xX006 0xX...

Page 158: ...e Transmitter Regional Byte Data Alarm1Logic Alarm2Logic Alarm3Logic SensorsEnabled S1CurrentLoopOffset S2CurrentLoopOffset S3CurrentLoopOffset S1CurrentLoop20mAOffset S2CurrentLoop20mAOffset S3CurrentLoop20mAOffset Note Parameter1 Configuration register address Parameter2 Byte data to write Table 5 21 TxWriteUnit 0xX201 Upper Nibble with Param1 Param2 TX Command Description Param1 Param2 0xX201 W...

Page 159: ... month day TXCurrentTime BCD format 00 hour min secs Note Parameter1 Configuration register address Parameter2 Long data to write Parameter3 Long data to write Table 5 23 TxWriteFloat 0xX203 Upper Nibble with Param1 Param2 Param3 TX Command Description Param1 Param2 Param3 0xX203 Write Float Sensor 0xX000 ConfigRegisterAddress Float Data Takes both Param2 Param3 For mat B A D C Alarm1Setpoint Alar...

Page 160: ... Write String Transmitter TXName 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th TXLatitude 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th TXLongitude 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th Note Parameter1 Configuration register address Parameter2 Byte data to write Table 5 25 TxWriteString 0xX204 Upper Nibble with Param1 Param10 2 of 2 TX Command Description Param1 Param7 Param8 Param9 Param10 0xX204 Write ...

Page 161: ...with the 4 navigation keys UP ESCAPE DOWN and ENTER MENU to navigate the LCD displays You do not need to remove the cover of the housing to activate these keys The mag netic tool works in close proximity to the four 4 keys Additionally the magnetic tool must be removed and replaced to perform sequential key routines Use a sweeping motion rather than an hitting move to activate the keys Figure 6 1 ...

Page 162: ...RATION 6 2 USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Figure 6 1 Text and Numeral Display ...

Page 163: ...e used externally or not Alarm3 Indicates an alarm condition when red LED flashes This LED functions in tandem with equipment configured to relay K3 To acknowledge this alarm press any key and this LED changes from flashing to solid Note This LED functions regardless of whether the relays are used externally or not Fault Indicates an fault condition when amber LED flashes Faults include under rang...

Page 164: ...e the device s firmware Future feature 8 Down and Shortcut Used to navigate between text numerical and graphical trending displays 2Minute 60Minute 1Day and 7Day Also maneuvers between the 4 graphical trending dis plays See Figure 6 1 Text and Numeral Display and Figure 6 3 Graphical Trending Display Press DOWN to maneuver arrow cursor and to change individual items such as a numerical value or AS...

Page 165: ... LED Flashes Functions in tandem with equipment configured to relay K1 To acknowledge alarm press any key LED changes from flash ing to solid Note This LED functions whether the relays are used externally or not 15 Up and Shortcut Indicates an alarm condition when red LED flashes Functions in tandem with equipment configured to relay K2 To acknowledge alarm press any Key LED changes from flash ing...

Page 166: ...ed to the device the four 4 LEDs emit solid the LCD displays the Teledyne Gas Flame DetectionN logo Unit Information screens displays briefly System Name Model Code SN Waiting for Sys tem to Initialize screen displays with progress bar then the Text and Numerical Display appears The boot up pro cess takes about eight 8 seconds to complete 6 1 2 Powering Down Powering down the device is not require...

Page 167: ...G CALIBRATION THE DEVICE WILL NOT DETECT HAZARDOUS GASES ENSURE YOU NOTIFY AFFECTED PERSONNEL WORKING IN THE AREA THAT IT WILL BE OUT OF SERVICE AND PROVIDE OTHER GAS DETECTION PROTECTION IN ITS PLACE FAILURE TO DO SO COULD RESULT IN INJURY OR DEATH WARNING BEFORE YOU BEGIN READ AND UNDERSTAND THE MSDS AND WARNING LABELS FOR THE CALIBRATION GASES FAILURE TO DO SO MAY RESULT IN SERIOUS INJURY OR DE...

Page 168: ...the sensors for both zero calibration and span calibration 1 Using the turn calibration fitting 2 Using the calibration port on the sensor head with the remote calibration quick disconnect fitting Figure 7 1 Calibration Hookup Method Both Hookup Options and Table 7 1 Calibration Hookup Equipment show the required equipment for the hookup options Figure 7 1 Calibration Hookup Method Both Hookup Opt...

Page 169: ...see Appendix E Technical Support OR For span gas calibration see Appendix B Gas Sensor Informa tion Same Same 2 Regulator male or female See Appendix D Parts List Same Same 3 Tygon tubing 3 16 ID soft Teflon type tubing hard for sticky gases like HCl and NH3 See Appendix D Parts List Same Same 4 turn calibration fitting Applicable N A 5 Sensor head cal port N A Applicable For reactive gases use a ...

Page 170: ...rmed to ensure the device detects target gases within specified operating parame ters Span calibration adjusts device s response to match a known concentration of gas Sensors can lose sen sitivity through normal degradation exposure to high gas concentrations or sensor poisoning Only specific concentrations of the correct gases can accurately calibrate a sensor Perform span calibration whenever a ...

Page 171: ...HE AREA THAT IT WILL BE OUT OF SERVICE AND PROVIDE ALTERNATE GAS DETECTION FAILURE TO DO SO COULD RESULT IN INJURY OR DEATH NOTE Prior to starting the zero calibration you may need to adjust the inhibit time on the device This prevents unwanted alarm trips Likewise remember to reset it after calibration See Section 5 1 3 Configuring the Setup Menu NOTE An operator access or higher must be entered ...

Page 172: ...NT MENU to accept C Screen displays ZERO SET If zero calibration fails repeat procedure until successful D Press ESC twice to return to text numerical display 7 Remove calibration gas 8 If span calibration is desired continue to Section 7 2 2 Span Calibration NOTE You must wait for the 30 second timer to count down before a successful zero calibration This timer allows the gas level to stabilize b...

Page 173: ...S DETECTION FAILURE TO DO SO COULD RESULT IN INJURY OR DEATH NOTE Prior to starting the span calibration procedure you may need to adjust the inhibit time on the device This prevents unwanted alarm trips Likewise remember to reset it after calibration See Sec tion 5 1 3 Configuring the Setup Menu NOTE Verify concentration level matches detection set points of the device and the expiration date of ...

Page 174: ...sor Surro gate Test Gas E Chem Oxygen Use Zero Air 0 5 E Chem Others If available use target gas Zero Air is 20 9 O2 and the balance Nitrogen N Standard recommended rate is 0 5 but some applications e g remote sensor may require 1 0 which is acceptable Note A higher or lower flow rate can result in failed or inaccurate calibrations You should always use the stainless steel flow regulator PN 077 14...

Page 175: ...een displays SENSOR X CALIBRATION E Press ESC twice to return to the text and numerical display NOTE If 5 minutes elapses before zeroing the device the device times out and returns to the text and numerical display If this happens reselect CALIBRATION To keep the time out from occur ring press either UP or DN The 5 minute time out starts over after a key is activated If more time is required for s...

Page 176: ...ed See Section 7 3 4 Replacing the Intrinsically Safe IS Bar rier PCB Power Supply PCB 3 4 Wire Replace As needed See Section 7 3 5 Replacing the Power Supply PCB 3 or 4 Wire Power Supply PCB 2 Wire Replace As needed See Section 7 3 6 Replacing the Power Supply PCB 2 Wire 4 20mA Loop Trimming Adjustment Initial installation As needed See Section 7 3 7 Trimming the 4 20mA Loop LCD PCB CPU PCB Repla...

Page 177: ... system manager refer to Section 5 1 7 Configuring the User Access Menu 2 Change the gas range via the main menu refer to Section 5 1 3 Configuring the Setup Menu A From the main menu select SETUP B Select SENSOR X SETUP C Select GENERAL D Select GAS RANGE E Press ENT MENU F Select desired range G Press ENT MENU H Press ESC I Save changes and back out of menu NOTE The device ships without the sens...

Page 178: ... 7 Configuring the User Access Menu 2 Select the IR sensor s target gas via the main menu refer to Section 5 1 3 Configuring the Setup Menu A From the main menu select SETUP B Select SENSOR X SETUP C Select GENERAL D Select GAS RANGE E Press ENT MENU F Select desired target gas G Press ENT MENU H Press ESCS I Save changes and back out of menu 3 The CAL REQUIRED message appears after detecting a ne...

Page 179: ...al block on the IS PCB and remove the top of the plug 7 Unscrew the two 2 screws and remove the IS terminal block cover 8 Unscrew the two 2 remaining screws from the PCB stack 9 Pull the IS PCB from the power supply PCB while retaining the thermal isolation barrier pad located between them The thermal isolation barrier pad is present in 3 or 4 wire devices only WARNING ENSURE RECEIVERS AND POWER S...

Page 180: ...Replace IS terminal block cover with the two 2 screws onto the bottom of the PCB stack 13 Screw the two 2 retention screws on the light blue IS terminal block on the IS PCB and replace the top of the plug 14 Replace the entire PCB stack into the housing and screw the four 4 standoffs into place 15 Reconnect the tops of the plugs for any other terminal blocks in use MODBUS Alarms Fault and Remote A...

Page 181: ... the PCB stack 7 Pull the terminal relay MODBUS RS 485 PCB from the power supply PCB 8 Pull the IS PCB from the power supply PCB while retaining the thermal isolation barrier pad located between the IS PCB and the power supply PCB to be re installed The thermal isolation barrier pad is present in 3 or 4 wire devices only 9 Remove the wire ribbon cable from the power supply PCB 10 Replace the power...

Page 182: ...standoffs and lift the entire PCB stack from the housing 4 Unscrew the two 2 screws and remove the IS terminal block cover 5 Unscrew the two 2 remaining screws from the PCB stack 6 Pull the IS PCB from the power supply PCB 7 Remove the wire ribbon cable from the power supply PCB 8 Replace the power supply PCB and repeat the above steps in reverse 9 Replace the housing cover tighten and secure the ...

Page 183: ...ent measuring device to the corresponding loop being trimmed 9 Press UP or DN to increase or decrease the current on the loop until you have 4mA at your point of measure ment 10 Press ENTER MENU 1 1 Select 20MA OFFSET 12 Press ENTER MENU WARNING ENSURE RECEIVERS AND POWER SUPPLIES ARE NOT POWERED WHEN INSTALLING WIRE TO THE DEVICE WARNING ENSURE THE ATMOSPHERE IS FREE FROM COMBUSTIBLE AND OR TOXIC...

Page 184: ...en returns to MERIDIAN SETUP 17 Press ESC three times to return to the main menu 7 3 8 Replacing the LCD PCB CPU PCB 1 Unscrew the setscrew and housing cover then pull on the LCD PCB CPU PCB set removing it from the four 4 standoffs 2 Remove the wire ribbon cable from the LCD PCB CPU PCB 3 Replace the LCD PCB CPU PCB and repeat the above steps in reverse 4 Replace the housing cover tighten and sec...

Page 185: ...use MODBUS Alarms Fault and Remote Acknowledge 4 Unscrew the four 4 standoffs and lift the entire PCB stack from the housing 5 Unscrew the two 2 screws and remove the IS terminal block cover 6 Unscrew the two 2 remaining screws from the PCB stack 7 Pull the terminal relay MODBUS RS 485 PCB from the Power Supply PCB 8 Replace the terminal relay MODBUS RS 485 PCB and repeat the above steps in revers...

Page 186: ...screw the six 6 screws on the light blue IS terminal block and remove the six 6 wires from the TB 7 Unscrew the Meridian NPT Ex seal from the device 8 Unscrew the Meridian junction box assembly cover 9 Unscrew the six 6 screws on the light blue TB4 and remove the six 6 wires from the TB4 inside the Meridian junction box assembly 10 Unscrew the Meridian NPT Ex seal from the Meridian junction box as...

Page 187: ...rms Fault and Remote Acknowledge 20 Replace the two 2 wires to TB1 21 Replace the LCD PCB CPU PCB set into t he four 4 standoffs 22 Replace the housing cover tighten and secure the setscrew 23 Unscrew the Meridian junction box assembly cover 24 Pull the six 6 wires on bottom of the proof flame proof seal into the Meridian junction box assembly s NPT hole 25 Screw the Meridian junction box assembly...

Page 188: ...l block and remove the six 6 wires from the TB 7 Remove the Meridian end cap and sensor 8 Unscrew the Meridian detector body assembly from the device 9 Select the replacement Meridian detector body assembly 10 Pull the six 6 wires on top of the Meridian detector body assembly into the device s NPT hole 1 1 Screw the Meridian detector body assembly into the device WARNING ENSURE RECEIVERS AND POWER...

Page 189: ...e easily accessible prior to replacing the PCB stack to ease re plugging 15 Replace the PCB stack into the housing 16 Replace the four 4 standoffs 17 Re connect the tops of the plugs for any other terminal blocks in use VDC MODBUS Alarms Fault and Remote Acknowledge 18 Replace the LCD PCB CPU PCB set into t he four 4 standoffs 19 Replace the housing cover tighten and secure the setscrew 20 Replace...

Page 190: ...HE SENSOR CHANGING SENSOR MAPPING CHANGES ALARM SETTINGS VERIFY PRIOR TO PROCEEDING FAILURE TO DO SO COULD RESULT IN INJURY OR DEATH NOTE Removing a sensor creates a fault condition FLT LED blinks error message alternates between SYSTEM FAULT and SENSOR OFFLINE on the LCD To avoid this fault condition from the main menu enter ACCESS take sensor offline save the change remove the sensor This is tem...

Page 191: ...t Sensor Enable to either 2 or 3 as applicable and save 5 Remove all three 3 Sensors 6 Re insert each sensor one 1 at a time in the proper order and acknowledge via LCD 7 3 13 Clearing a Sensor Fault 1 When a sensor is exposed to a high concentration of the target gas a sensor fault message appears on the LCD and the FLT LED blinks 2 To clear the fault activate the ENTER MENU key NOTE The high con...

Page 192: ...CB refer to Section 7 3 5 Replacing the Power Supply PCB 3 or 4 Wire Loss of 4 20mA signal Damaged to 4 20mA circuit Replace power supply PCB refer to Section 7 3 5 Replacing the Power Supply PCB 3 or 4 Wire Relay s do not function Alarm set points incorrect Verify alarm settings Low power to transmitter Verify transmitter supply voltage is within the proper VDC range Bad Terminal Relay MODBUS RS ...

Page 193: ...7 2 Calibration Methods Incorrect calibration gas Replace calibration gas source Verify sensor range is calibration gas concentration Incorrect calibration gas concentration Follow proper calibration procedure refer to Section 7 2 Calibration Methods Bad sensor Replace sensor refer to Section 7 3 1 Replacing a Sensor Open circuit on the intrinsi cally safe IS barrier PCB Replace the intrinsically ...

Page 194: ...e Sensor exposed to interference gas higher than sensor range Sensor is not settled yet or sensor is out of balance Check test gas verses sensor range Apply clean air Wait for sensor to settle Re balance the sensor zero for IR and Cat Bead sensors LCD displays sensor X is OFFLINE and fault LED flashes OR LCD displays SYSTEM FAULT Sensor is removed from device Sensor connection not fully engaged Re...

Page 195: ...on Table 4 4 Hard Wired Configurations Sensor Types Supported for 3 or 4 Wire configurations and with one optional com munications PCB 10 to 30VDC 6 0Watts 24VDC 250mA Max Note Voltages as measured at the device 2 Wire PCB 18 to 30VDC 21 6mA Max Note Voltages as measured at the device 4 Wire loop power supply 10 30VDC 24mA Max Note Voltages as measured at the device Relays Four configurable form C...

Page 196: ...MS DCS SCADA PLC Rx controller to Tx fixed gas device theoretical maximum cable distance is 10 000Ft 3 000meters For details refer to the HART Communication Application Guide Fault loop current 3 2mA Memory Non volatile memory NV EEPROM Ensures configuration parameters retained during power loss Number of Sensors 3 sensors maximum Duct Mount Adapt ers Flow velocities 350 to 1000CFM Compatibility F...

Page 197: ...6Wx3 86 D 123 5Hx123 5Wx98 0Dmm Mounting flanges holes ID 0 33 on 5 59 centers ID 8 5mm on 142mm centers Weight 5 2Lbs 2 35Kg Field wiring Plug in connectors 28AWG to 16AWG 0 2mm2 to 1 5mm2 Input power and relays connector 18AWG to 10AWG 1 0mm2 to 4mm2 Wiring temperature 105 C minimum Remote intrinsically safe cable The cable between remote sensor and Meridian junction box assembly must be a 6 con...

Page 198: ...EL Accuracy 50 LEL and below 3 LEL 50 LEL 5 LEL Warm Up Time 30 Mins Response Time T90 20Sec Operating Temp 40 0 to 167 F 40 to 75 C Storage Temp 67 0 to 167 F 55 to 75 C Humidity 0 to 95 RH Non Condensing Default Cal Gas CH4 IR Carbon Dioxide CO2 Sensor Default Range 0 5 V V Accuracy 0 25 V V Warm Up Time 30 Mins Response Time w optional deluge guard T90 30Sec Operating Temp 40 0 to 167 F 40 to 7...

Page 199: ...der the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited Operating Temp 40 to 167 F 40 C to 75 C Storage Temp 67 to 167 F 55 to 75 C Humidity 0 to 95 RH Non Condensing Default Cal Gas CH4 Table A 2 Combustible LEL IR Cat bead Sensor Specifications Continued Category Specifications ...

Page 200: ...Chem Sensor Specifications 096 3473 XX Gas Symbol Type RH Rating Operating Temp Range C Default Range PPM Range Min to Max PPM Default Cal Gas 03 Ammonia NH3 Std G 5 to 50 40 to 50 100 50 to 500 NH3 24 Bromine Br2 RS H 40 to 50 10 1 to 10 Cl2 01 Carbon Monoxide CO Std G 40 to 50 100 50 to 1000 CO 20 Chlorine Cl2 RS H 40 to 50 5 1 to 30 Cl2 21 Chlorine Cl2 RS L 40 to 50 5 1 to 30 Cl2 37 Chlorine Di...

Page 201: ...dard or Rock Solid Sensor Type Rock Solid sensors have extremely low noise allowing for lower alarm set points with less false alarms The typical Humidity Range the sensor will be exposed to G denotes General indoor or outdoor use H denotes High humidity 70 RH 15 RH areas or outdoor use L Low humidity 50 RH 15 RH for indoor use Default Range This is the most popular range for each Teledyne Gas Fla...

Page 202: ...ICATIONS A 8 USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited This page is intentionally left blank ...

Page 203: ...he active bead leads to an unbalanced output of the circuit This value is then used to determine the concentration of combustible gas present Low cost Can detect wide range of combustible gases Proven tech nology for the detection of hydrogen High power Chlorine sili cones and acid gases can poison them Unusable in oxygen deficient atmospheres Cannot discern between different types of combustible ...

Page 204: ... counter electrode The reference elec trode provides a zero reference point from which the resulting difference in potential between the counter and working electrodes can be compared Target gas levels can be measured in parts per million ppm Rule of thumb If you can t put your head into the mon itored environment do not use an E Chem sensor to monitor it No liquid environments No extreme temperat...

Page 205: ...release points Application specific Temperature Humidity Severe environments can affect certain sensor types All sen sor types are rated for specific temperature ranges High humidity environments where water vapors can interfere with readings can affect some sensors Varies Oxygen Content In applications where oxygen may be displaced or not pres ent in a gas sample the sensor type should be conside...

Page 206: ...or the target gas In this example Propane C3H8 is 0 51 See Section 5 1 3 Configuring the Setup Menu 4 Ensure the CALGASCONC value matches the gas label in this example 50 LEL After calibrated the device should read 50 LEL in propane scale when 50 LEL propane bottle gas is applied B 3 2 Using Methane as a Surrogate Gas Table B 3 K Factors for Combustible Cat Bead Sensors Methane provides the K Fact...

Page 207: ... methane bottle gas is applied Table B 3 K Factors for Combustible Cat Bead Sensors Methane Gas Vapor K Factor Parameter Field K Factor Methane Ratio Acetaldehyde C2H4O 0 64 0 64 Acetone C3H6O 0 60 0 60 Acetylene C2H2 0 63 0 63 Ammonia NH3 1 43 1 43 Benzene C6H6 0 45 0 45 1 3 Butadiene C4H6 0 45 0 45 n Butane C4H10 0 52 0 52 Isobutane C4H10 0 45 0 45 Isobutylene C4H8 0 58 0 58 Butyl Acetate C6H12O...

Page 208: ...ethanol CH4O 0 78 0 78 Methylene Chloride CH2Cl2 1 1 1 1 1 1 Methyl Chloride CH3Cl 0 88 0 88 Methyl Ethyl Ketone C4H8O 0 43 0 43 n Otane C8H18 0 32 0 32 Pentane C5H12 0 51 0 51 Isopentane C5H12 0 46 0 46 Propane C3H8 0 51 0 51 Propylene C3H6 0 62 0 62 Propylene Oxide C3H6O 0 44 0 44 Styrene C8H8 0 43 0 43 Tetrahydrofuran C4H8O 0 47 0 47 Toluene C7H8 0 42 0 42 Vinyl Chloride C2H3Cl 0 56 0 56 O Xyle...

Page 209: ...lue derived by dividing this number with the given K Factor For example 1 User desires to measure Isobutylene C4H8 using a Cat Bead sensor 2 User has a propane bottle of gas and the label reads 50 LEL A Adjust K Factor propane ratio field in the sensor setup menu to match the value for the target gas In this example Isobutylene C4H8 is 0 58 See Section 5 1 3 Configuring the Setup Menu 3 Determines...

Page 210: ...10H22 0 29 0 56 Ethane C2H6 0 68 1 33 Ethyl Acetate C4H8O2 0 46 0 90 Ethyl Alcohol C2H6O 0 63 1 23 Ethylbenzene C8H10 0 41 0 80 Ethylene C2H4 0 63 1 23 Ethylene Oxide C2H4O 0 49 0 96 Heptane C7H16 0 42 0 82 n Hexane C6H14 0 40 0 78 Hydrogen H2 0 81 1 58 Isopropyl Alcohol C3H8O 0 44 0 86 Methane CH4 1 00 1 96 Methanol CH4O 0 78 1 52 Methylene Chloride CH2Cl2 1 1 1 2 17 Methyl Chloride CH3Cl 0 88 1 ...

Page 211: ...ion contrary to U S law is prohibited Propane C3H8 0 51 1 00 Propylene C3H6 0 62 1 21 Propylene Oxide C3H6O 0 44 0 86 Styrene C8H8 0 43 0 84 Tetrahydrofuran C4H8O 0 47 0 92 Toluene C7H8 0 42 0 82 Vinyl Chloride C2H3Cl 0 56 1 09 O Xylene C8H10 0 38 0 74 Note K Factors based on propane Table B 4 K Factors for Combustible Cat Bead Sensors Propane Continued Gas Vapor K Factor Parameter Field K Factor ...

Page 212: ...t apply the indicated surrogate test gas the sensor should respond with a reading as indi cated in the sensor reading column with a tolerance of approximately 2 LEL If calibrating set the span gas concentration to the value shown in the sensor reading column Calibrate zero and span the sensor by following the instrument prompts per the user guide Example to span for toluene apply 25 LEL propylene ...

Page 213: ...erences to a limited number of chemical compounds The Company attempts to identify possible gas interferences to which gas sensors may be exposed However not all chemical compounds that presently exist have been tested NOTE The Toxic E Chem Gas Interferences tables 062 0064 are included on the CD that ships with the product You can check our web site to compare your version to those posted Updates...

Page 214: ...INFORMATION B 12 USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited This page is intentionally left blank ...

Page 215: ...s prohibited Appendix C Safety Integration Level SIL 2 Information C 1 SIL 2 Parameters Table C 1 SIL 2 Parameters SIL Parameters Safe Failure Fraction SFF 90 45 Average Probability of Failure on Demand PFDavg 8 81 x 10 4 Probability of Failure per Hour PFH 1 99 x 10 7 Process Time 24Hrs Proof Test Interval PTI 8760Hrs NOTE For the device s installation operation configuration maintenance and spec...

Page 216: ...g the Meridian end cap assembly to the sensor housing 3 Remove the Meridian end cap assembly 4 Remove the sensor assembly from the sensor housing A Verify the fault relay K4 deactivates normally open B Verify the fault 4 20mA signal is transmitted to the receiving element of the safety system 5 Reinstall the sensor 6 Install the Meridian end cap and secure it with the setscrew 7 Cycle the power or...

Page 217: ...bit time to expire 9 Challenge the sensor with an upscale calibration gas and ensure that A Alarms activate K1 K2 K3 B 4 20mA signal reflects the proper gas concentration reading 10 Restore the safety system by disabling the safety bypass systems 1 1 Table C 2 SIL Proof Test Results shows the expected results Table C 2 SIL Proof Test Results Section Test Element Criteria 4 1 Fault Sensor communica...

Page 218: ...EVEL SIL 2 INFORMATION C 4 USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited This page is intentionally left blank ...

Page 219: ... Power Supply PCB 096 3407 3 or 4 Wire Intrinsically Safe IS Barrier PCB 096 3448 2 Wire Intrinsically Safe IS Barrier PCB 096 3449 Optional Communication Expansion Card CEC PCB For Optional CEC PCBs contact the Company LCD PCB and CPU PCB 096 3447 xx 01 includes LCD no LCD Heater 02 includes LCD LCD Heater 03 No LCD Blind Connector Jumper Replacement Kit 1 1 1 position connector 1 2 position conn...

Page 220: ... safe IS terminal block cover isolates the IS wires 074 0528 01 Ribbon cable between J2 A on the power supply PCB for 3 or 4 Wire Isolated and J2 B on the CPU PCB 096 3456 Meridian Detector Body Assembly 096 3484 xx 01 3 4 Wire Plastic Meridian End Cap 02 3 4 Wire SS Meridian End Cap 03 2 Wire Plastic Meridian End Cap 04 2 Wire SS Meridian End Cap 05 3 4 Wire Plas tic Meridian End Cap for INMETRO ...

Page 221: ... hose downs 096 3441 Thermal Isolation Barrier Pad only applicable for 3 or 4 wire 077 1418 Aluminum Heat Sink Plate only applicable for 3 or 4 wire 073 0381 Thermal Conductive Pad only applicable for 3 or 4 wire 077 1419 Turn Calibration Fitting Delivers calibration gas directly to the sensor face without dilution from environmental inter ferences such as wind Barb fitting provided for tube conne...

Page 222: ... ventila tion ducts without drying out the sensor 096 3440 Aluminum thick Retrofit Mounting Plate with hardware Used to mount the device where a previously mounted Teledyne Gas and Flame Detection transmitter was located provides clearance to access Meridian end cap 073 0374 High Density Polyethylene HDPE thick Ret rofit Mounting Plate with hardware Used to mount the device where a previous mounte...

Page 223: ...hread Adapter 077 1402 Enclosure Stop Plug Used to seal unused conduit entries 077 1404 Enclosure Replacement Cap 093 0603 Al 093 0604 SS Magnet Tool Used to access menus via the four 4 naviga tion keys 096 3482 O Ring Replacement Kit 1 4 53 Ø rubber o ring for enclosure cap seal and 1 rubber o ring for Meridian detec tor body assembly 096 3498 Meridian Junction Box Assembly Aluminum 096 3475 Meri...

Page 224: ...male NPT threads 2 08 H x 2 23 W Zinc die cast Used for multi sensor integral installations 048 0089 Remote Cable Gland Fitting Used in the Meridian junction box assembly and IS cable 048 0091 Remote Intrinsically Safe IS Cable 069 0097 10 10 069 0097 25 25 069 0097 50 50 069 0097 75 75 069 0097 100 100 Sensor Simulator with Knob Note Simulator is for temporary use only 096 3395 Manual Meridian Tr...

Page 225: ...l2 RS Lo RH 096 3473 21 F2 RS Hi RH 096 3473 22 F2 RS Lo RH 096 3473 23 HCl RS Hi RH 096 3473 25 HCl RS Lo RH 096 3473 26 HF RS Hi RH 096 3473 27 HF RS Lo RH 096 3473 28 SO2 RS Hi RH 096 3473 31 SO2 RS Lo RH 096 3473 32 ClO2 RS Hi RH 096 3473 37 ClO2 RS Lo RH 096 3473 38 O3 RS Hi RH 096 3473 39 NO2 096 3473 54 Sensors Other Technology Combustible LEL Cat Bead Methane CH4 096 3473 55 Combustible LE...

Page 226: ...Remote Calibration Fitting Stainless Steel use with OD Tube 077 1386 Calibration Kits The specific calibration kit depends on the sensors in your device Standard Calibration Kit For non reactive gases such as O2 CO or CH4 Includes carrying case 0 5LPM male regulator and Tygon tubing 096 3500 Reactive Calibration Kit for reactive gases such as NH3 Cl2 or HCl Includes carrying case 0 5LPM male stain...

Page 227: ... law is prohibited Appendix E Technical Support This product is designed to provide you with reliable trouble free service Contact your regional Technical Sup port if you have technical questions need support or if you need to return a product Details can be found at www Detcon Service Teledyne com NOTE When returning a product contact Technical Support to obtain a Return Material Authori zation R...

Page 228: ...d Pudang Shanghai 201206 People s Republic of China Tel 86 21 3127 6373 www teledynegasandflamedetection com Copyright 2020 Teledyne Gas and Flame Detection All rights reserved P N 087 0049 Rev G May 2020 USE AND DISCLOSURE OF DATA Information contained herein is classified as EAR99 under the U S Export Administration Regulations Export reexport or diversion contrary to U S law is prohibited ...

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