Honeywell Sensepoint XCD RFD Technical Handbook Download Page 58

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Sensepoint XCD RFD Technical Manual

SPXCDHMRFEN Issue 4_08-2016

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Summary of Contents for Sensepoint XCD RFD

Page 1: ...Technical Handbook Sensepoint XCD RFD Remote Flammable Detector ...

Page 2: ...equency interference Earth ground points are provided inside and outside the unit The internal grounding shall be used as the primary equipment ground The external terminal is only a supplemental bonding connection where local authorities permit or require such a connection Ensure that all screens instrument earth clean earth wiring is earthed grounded at a single point either at the controller or...

Page 3: ...dous or unsafe practice which could result in severe injury or death to personnel Caution Identifies a hazardous or unsafe practice which could result in minor injury to personnel or product or property damage Note Identifies useful additional information Every effort has been made to ensure the accuracy of this document however Honeywell Analytics can assume no responsibility for any errors or om...

Page 4: ... 2 Terminal connections 19 6 3 Power 20 6 4 Cabling 21 6 5 Cable and Earth Ground regimes 21 6 6 Ground Terminal Wiring 22 7 Default configuration 23 8 Normal Operation 24 8 1 Display Screen 24 8 2 System Status 25 8 3 Magnetic Wand Activation 26 8 4 Operation Mode Structure 26 9 First time switch on Commissioning 27 10 Response Check and Calibration 29 10 1 Zeroing and span calibration 29 11 Gene...

Page 5: ...acket Drawing 55 17 7 Sensepoint XCD RFD Sensor 59 17 8 Control Drawing 61 18 Certification 63 18 1 China GB Ex and PA 63 18 2 Korea KTL 66 18 3 European ATEX 67 18 4 International IEC 69 18 5 Sensepoint XCD ATEX Name Plate 71 18 6 Sensor Cartridges Label 72 19 Cross Interference and Cross Calibration 73 19 1 Cross Calibration Flammable Gas Detector 73 19 2 Meter Multiplication Factors for Sensepo...

Page 6: ...t from the transmitter The transmitter features a display and three programmable relays for controlling external equipment e g alarms sirens valves or switches The transmitter provides an industry standard 3 wire 4 20mA source or sink output for connection to a dedicated gas detection control system or PLC The construction of Sensepoint XCD RFD allows it to be used in hazardous area locations it m...

Page 7: ...ter is interrogated using a magnet The transmitter cover has a glass window which allows use of the Magnetic Wand to activate the three user interface magnetic switches that are located on the front of the display module The magnet also enables a non intrusive one man calibration and configuration facility for the Sensepoint XCD RFD 4 2 Flammable Gas sensors Sensepoint XCD RFD is designed to work ...

Page 8: ...t gas with a resolution in the region of 1 LEL depending on the gas being detected The sensor is available with M25 thread M20 or NPT threads are options High temperature LEL Version The high temperature version is available for use in temperatures up to 150 C remote mounting only and ranges of 0 20 LEL or 0 100 LEL depending on transmitter or controller The sensor is available with M25 thread M20...

Page 9: ...ly High Temperature LEL version The high temperature version is available for use in temperatures up to 150 C remote mounting only and detects gas concentrations up to 100 LEL of a target gas with a resolution in the region of 1 LEL depending on the gas being detected The sensor is available with NPT thread only Details of connecting these sensors with the Sensepoint XCD RFD transmitter are given ...

Page 10: ...TEX Junction Box P N 00780 A 0100 For Sensepoint XCD P N SPXCDCC For Sensepoint 705 P N 02000 A 1642 Remote Sensor Mounting Collecting Cone UL aluminum junction box ATEX standard junction box and ATEX High temperature junction box P N 2052D0001 are optional accessories that can be used for remote sensor mounting Make the connection from the junction box to the transmitter using suitable cable and ...

Page 11: ...ed to the bus and one or up to 32 slave nodes are also connected to the same serial bus Modbus communication is always initiated by the master The slave nodes will never transmit data without receiving a request from the master node The slave nodes will never communicate with each other The master node initiates only one Modbus transaction at the same time The MODBUS may only be used for data coll...

Page 12: ...to the desired position and use to select it Again using the switches increment or decrement the value until the desired value appears selects the value and moves to the next setting The communications baud rate and Parity Setting can also be set from this screen by using the switches to navigate to the baud rate display then selecting Using the switches highlight the proper baud rate or parity se...

Page 13: ...rdous atmospheres while power is still applied to the transmitter The detector must be earthed grounded for electrical safety and to limit the effects of radio frequency interference Earth ground points are provided inside and outside the unit Ensure that all screens instrument earth clean earth wiring is earthed grounded at a single point either at the controller or detector BUT NOT BOTH to preve...

Page 14: ...owledge of the process plant system and equipment involved safety and engineering personnel The agreement reached on the location of detectors should be recorded 5 2 Mounting the transmitter The Sensepoint XCD RFD transmitter has an integral mounting plate consisting of four mounting holes on the transmitter body The transmitter may be fixed directly to a surface mounting or to a horizontal or ver...

Page 15: ...ostatic charging hazard The manufacturer s instructions should be observed A remotely mounted sensor should be mounted using a suitable junction box For further details regarding mounting sensors to suitable junction boxes refer to the relevant sensor manual 1 Connect the remote sensor junction box to the Sensepoint XCD RFD transmitter using suitable cable with wires of diameter 0 5 2 5mm2 20AWG 1...

Page 16: ... filter at the remote sensor to reduce electromagnetic interference The ferrite filter supplied should be fitted as follows 1 Screw the sensor into the remote junction box 2 Open the ferrite filter 3 Wind the sensor leads 2 turns round the ferrite filter 4 Close the ferrite filter 5 Follow instructions in the individual sensor manuals to complete installation ...

Page 17: ... hazardous atmosphere de classify the area or disconnect the equipment from the supply circuit before opening the detector enclosure Keep assembly tightly closed during operation Never attempt to open a junction box enclosure or replace refit the sensor in potentially hazardous atmospheres while power is still applied to the transmitter The detector must be earthed grounded for electrical safety a...

Page 18: ...Caution All electrical connections should be made in accordance with any relevant local or national legislation standards or codes of practice Caution 250ohm load resistor RL is installed in the factory In case of connection with controller this resistor should be removed because controller has load resistor internally Note Terminate cable screen at detector or controller not both XCD Source 3 Wir...

Page 19: ...Number Marking Connection Description 1 24V VE Supply 12 32VDC Controller Connections 2 0V VE Supply 0VDC 3 4 20mA Current Output Signal 4 COM Common MODBUS RTU RS485 Optional 5 TxD MODBUS A 6 RxD MODBUS A 7 RLY1 NC Normally Closed Programmable Relay 1 Default A1 8 RLY1 COM Common 9 RLY1 NO Normally Open 10 RLY2 NC Normally Closed Programmable Relay 2 Default A2 11 RLY2 COM Common 12 RLY2 NO Norma...

Page 20: ...The following tables show the maximum cable distances between the controller and transmitter assuming a voltage drop of 4V in each core and for different cable parameters The tables are examples only and actual cable parameters and source power supply voltage for the application should be used to calculate the maximum cable distance allowed at the installation site Typical cable data Maximum Cable...

Page 21: ...e Cable Spec Max Length RFD Remote AWM2464 AWG20 AWG14 Shield 30meters 6 5 Cable and Earth Ground regimes Effective Earth Ground bonding is important to ensure good EMC and RFI immunity The following diagrams show examples of how to earth ground bond the cable at enclosures These bonding techniques provide good RFI EMC performance Earth ground loops must be avoided to prevent the risk of false sig...

Page 22: ...e wiring instructions For connection to this terminal Twist the shield wire to avoid stray shield wires Loosen the screw sufficiently and wrap the wire around the screw in a U shape Raise the clamp and place the wire between the clamp and ground base lower the clamp and tighten the screw to 6 9lb in torque External Ground Connection If required by local authority Utilize a No 14 AWG copper Strande...

Page 23: ...meout Disabled No inhibit timeout The detector waits for a button press before returning to the previous state setting Timeout period can be set in Configure Inhibit menu in Configuration Mode Password 0000 Disabled 0000 Password disabled If changed then password is activated Location Tag Number 0000 Optional feature to identify the location or User s Tag number of the XCD Temperature o C Option t...

Page 24: ...ith hi intensity multi colour LED indicator to show NORMAL ALARM and FAULT status During normal operation the instrument display shows a steady GREEN backlight During Low and High Gas Alarm it displays a flashing RED backlight During Fault condition the instrument display shows a flashing YELLOW backlight The screen is visible through the window of the transmitter s cover The display shows the gas...

Page 25: ...ault N A 0 0 15mA Note In the event of processor failure the watchdog will automatically reset the system for recovery Warning W XX warning number with fault icon blinking Dependent on system status Green Steady Normal 0 0 Gas concentration 4 20 mA Green Steady Alarm 1 Gas concentration 1st alarm icon blinking 4 20 mA Red flashing Alarm 2 Gas concentration 2nd alarm icon blinking 4 20 mA Red flash...

Page 26: ...ion Mode Structure Sensepoint XCD RFD has 3 operating modes 1 Monitoring mode is the normal operating status while XCD RFD measures and displays gas concentration The fault warning status is periodically checked relay contacts are activated according to the configuration 2 Configuration mode this mode allows parameters relating to the configuration of the Transmitter functions to be changed accord...

Page 27: ...y Module and Cover Note Ensure that none of the wires in the terminal area cause an obstruction when refitting the Display Module Ensure that the socket on the Display Module is fully engaged in the Display Module Connector on the Terminal Module 8 Switch On external power to the detector 9 All the display icons text numbers are displayed for 3 seconds 10 A start up sequence will then be displayed...

Page 28: ...t up procedure For the Flammable sensor version Note For a full description of each screen shown in Diagram 12 please refer to Section 13 3 Review Mode of this Manual 11 The warm up countdown of 60 seconds depending on the gas type is then initiated 12 Normal Monitoring Mode is then resumed ...

Page 29: ...hibited default 2mA to avoid false alarms For Flammable gas calibration use a calibration gas concentration of 50 LEL 10 for Canada and US applications and between 25 and 95 LEL for other applications to ensure that the required accuracy can be attained HIGH OFF SCALE READINGS MAY INDICATE AN EXPLOSIVE CONCENTRATION To calibrate the detector use an appropriate span gas cylinder constant flow regul...

Page 30: ...for at least 3 seconds and then remove 3 The display will indicate the first configuration mode menu SEt CAL 4 Put the magnet over the switch again and move to enter the Calibration menu 5 The display will show the current gas reading and the icon flashes 6 When the zero gas reading is stable use to confirm zero calibration 7 If successful the display shows ZEro PASS if not successful the display ...

Page 31: ...n The live gas reading is displayed When the reading is stable use to confirm span calibration 15 If the sensor has been replaced the following display may be shown 16 Use to select YES if the sensor has been replaced or No if it has not been replaced 17 If the span calibration is successful the instrument will briefly display SPAn PASS if fails SPAN FAIL displayed and returns to configuration mod...

Page 32: ...sperse 20 When the reading falls below 50 of the calibration gas level the display indicates a countdown 21 When the countdown is finished the calibration procedure is complete 22 The instrument returns to the Set CAL menu Activate the or switch to select another menu or select QuIT to return to normal monitoring mode Note Remember to always replace the Weather Protection and other accessories ...

Page 33: ...not expose to temperatures outside the recommended ranges Do not expose sensors under storage conditions to organic solvents or flammable liquids The Sensepoint sensor is a possible Electrostatic risk Do not rub or clean with solvents Clean with a damp cloth High velocity airflows and dusty environments can cause hazardous electrostatic charges For remote Flammable sensors used with the XCD RFD Tr...

Page 34: ... Guide of Sensepoint XCD Remote Cartridge PN 3001M5022_1 Caution The following procedure should be followed carefully and only performed by suitably trained personnel A fault condition will be signalled by the detector if the sensor is removed with the unit under power WARNINGS Take care when handling sensors as they may contain corrosive solutions Do not tamper or in any way dis assemble the sens...

Page 35: ... mode WARNING Ensure that the same Gas Type and Range of Sensor is fitted in place of the old Sensor Care should be taken when removing and refitting the Sensepoint XCD plug in Sensor Cartridge to the Sensor Socket so that damage to the connection pins can be avoided The sensor head must be fitted with the supplied weather protection and mounted so that the sinter is pointing downward to provide i...

Page 36: ...rmal installation To replace the Terminal Module use the following procedure 1 Unscrew and remove the Transmitter Cover 2 Lift the handle and un plug and remove the Display Module 3 Unplug the connection terminals and lift them clear of the Terminal Module 4 Unplug the connector for the XCD sensor 5 Loosen and remove the three cross headed screws that secure the Terminal Module to the Transmitter ...

Page 37: ...wer to detector Replace sensor F 03 Significant zero drift Re zero calibrate F 04 Unexpected sensor fitted Replace sensor F 05 EEPROM is corrupted Reset transmitter If fault still appear replace transmitter F 06 Low supply voltage Reset transmitter If fault still appear replace transmitter F 07 SRS processor failure Reset transmitter If fault still appear replace transmitter F 08 RAM read write fa...

Page 38: ...ons available via the configuration menu that can be displayed on the transmitter and accessed using the Magnetic Wand The instrument will show the main Menu when the Enter switch is activated with the Magnetic Wand and held for at least 3 seconds The Menu is password protected to prevent any unauthorized changes The password is initially disabled and the default password is 0000 If the default pa...

Page 39: ...r Set Range Set measuring range Configure Inhibit Select inhibit current Set timeout option 5 minute increments Set Password Enable disable password Set password Default no password Select 0000 Set Calibration Interval Set calibration interval 30 to 365 days User configurable option to display warning Bump Test Execute a bump test to check gas response of the sensor Force Current Force analogue ou...

Page 40: ...ion Set location or TAG number Set Temperature Unit Change temperature display unit C Celsius or F Fahrenheit Check Alarm functions Simulate alarm situation to check the alarm system without gas present at the sensor Set ID Change Modbus slave ID baud and parity bit setting Modbus version only Quit Return to Monitoring mode Table 11 Transmitter menu descriptions ...

Page 41: ...C command Auto quit after no activity of timeout Abort Configuration Mode Inhibited Access permitted Inhibit mA O P Yes No Set Calibration Set Range Configure Inhibit Set Password Set Cal Interval Bump Test Force Current Set Alarms Set Relays Relay Operation Set Location Set Temperature Unit Test Alarms Select Gas Release mA O P Select Sensor ...

Page 42: ... TARGET CONCENTRATION FLASHING AND ICON DISPLAYED USE TO CHANGE GAS CONCENTRATION AND TO START SPAN CALIBRATION GAS NAME CURRENT CONCENTRATION AND FLASHING ICON DISPLAYED APPLY SPAN GAS AND USE WHEN READING STABLE IF OK PASS PurG DISPLAYED IF FAIL SPAN FAIL DISPLAYED AND RETURNS TO MENU REMOVE SPAN GAS WHEN READING 50 OF SPAN POINT COUNTDOWN BEGINS UNIT RETURNS TO MENU MODE SEt rAn9 BAR GRAPH INDI...

Page 43: ...AL1 AL2 Inht or FLt FLASHES USE TO CHANGE TO REQUIRED RELAY TARGET rL3 DISPLAYED AND dEEn or Enr9 FLASHES USE TO CHANGE TO REQUIRED RELAY ACTION UNIT RETURNS TO MENU MODE rlY OPr rLY ON DISPLAYED AND CURRENT RELAY ON TIME FLASHES USE TO CHANGE TO REQUIRED RELAY ON DELAY rLY OFF DISPLAYED AND CURRENT RELAY OFF TIME FLASHES USE TO CHANGE TO REQUIRED RELAY OFF DELAY Ltch DISPLAYED AND YES or No FLASH...

Page 44: ...ane IR 0 100 LEL remote Selecting will move the operator to the Select Sensor screen The first screen displays the currently configured sensor To select a new mV sensor like remote type sensors Ir 7 Cb 3 and Cb 4 use to move through the list and then use to make the selection or discard the selection and return to menu mode by using abort function If type of sensor is changed calibration prompt wi...

Page 45: ...rn to menu mode If type of gas is changed calibration prompt will appear to ask if you want to perform calibration Diagram 16 Gas Selection CAUTION The 4 20mA analogue output signal will remain INHIBITED at 2mA default setting while the XCD RFD remains in Configuration Mode However the ALARM and FAULT RELAYS remain Active Changing the configuration of the Sensor Type or the Gas Star Rating for cat...

Page 46: ... for each review item in Review Mode are shown in the following table Software version SRS version EEP version Gas Measuring range Calibration level Calibration due Alarm 1 Alarm 2 Item name Display Description S W version of transmitter S W version of SRS watch dog EEPROM parameter version Gas type A user selected measuring range Calibration gas level Estimated time to next calibration Alarm sett...

Page 47: ...h the transmitter is installed Power voltage Internal Transmitter temperature Maximum concentration detected up to now There is no fault detected Table 13 Transmitter menu descriptions Note Power voltage and internal transmitter temperature may be different from actual value due to measuring accuracy and internal heating components ...

Page 48: ... Version Measuring Range Calibration Gas Level EEPROM Version 2 second delay 2 second delay 2 second delay 2 second delay Calibration Due 2 second delay Test Result 2 second delay Peak Reading Temperature 2 second delay 2 second delay Gas Type Supplied input voltage 2 second delay Location 2 second delay SRS Version Alarm Setting 2 second delay 2 second delay ...

Page 49: ...eywell Analytics for availability Rising Alarm Falling Alarm NOTES Performance figures are taken at 20 25 C 1 measured using a sample humidity of 50 RH applicable between 10 and 90 of full scale 2 measured using test units calibrated at 50 of full scale 3 measured at 1000cc min for Methane CAT 500cc min for Methane IR with calibration cup S3KCAL Response time T90 may increase when operating in low...

Page 50: ...0 LEL SPXCDXSRPXSS Propane IR 0 100 LEL 20 0 to 100 0 LEL SPXCDXSRBXSS Carbon Dioxide IR 0 2 00 VOL only Replacement Sensepoint Sensor 2106B1200 Standard LEL Version 55 C to 80 C M20 version ATEX Certification 2106B1201 Standard LEL Version 55 C to 80 C M25 version ATEX Certification 2106B1204 Standard LEL Version 55 C to 80 C 3 4 NPT version ATEX Certification 00705 A 1733 Standard LEL Version 55...

Page 51: ... 20mA SPXCDDMRM Replacement display module for RFD 4 20mA with MODBUS SPXCDNPTP 3 4 NPT Plug SPXCDM20P M20 Plug SPXCDMANCDRFD Instruction manual CD SPXCDMAG Magnet SPXCDSRLS Sensor Retainer with locking screw SPXCDAKS Allen key for stopper SPXCDHWES Hex wrench for earth screw SPXCDEBS Earth Bracket and Screws Sensepoint Spares 00780 F 0018 Stainless steel filter High temperature LEL Version 40 C t...

Page 52: ... attendance where any fault is not found with the equipment Honeywell Analytics shall not be liable for any loss or damage whatsoever or howsoever occasioned which may be a direct or indirect result of the use or operation of the Contract Goods by the Buyer or any Party This warranty covers instrument and parts sold to the Buyer only by authorized distributors dealers and representatives as appoin...

Page 53: ...eet J Y JIN 3001G0453 I SPECIFICATION 1 SIZE 164 X 217 X 99 2 MATERIAL A TRANSMITTER LM25 316SS B MOUTING BRACKET 316SS 3 WEIGHT 2kg 4 5kg A TRANSMITTER LM25 1 8kg B TRANSMITTER 316SS 4 3kg C MOUNING BRACKET 0 2kg II HAZARDOUS CERTIFICATION 1 ATEX II 2 GD Ex d IIC Gb T6 Ta 40 to 65 Ex tb IIIC T85 Db IP66 Baseefa08ATEX0222 2 KTL E x d IIC T6 12 3 2 V o lts DC P m a x 5 W Tamb 40 to 65 3 GB PA III I...

Page 54: ...lation Drawing 3001G0453 A 07 DEC 09 New Drawing J Y JIN 03 MAR 10 B Text Modify J Y JIN C 07 APR 10 Add Sheet J Y JIN J Y JIN 04 May 10 D Table Change E 07 Jun 10 Add Sheet J Y JIN 3001G0453 3 Wire 4 20mA Source with Relays G VE Signal VE VE Signal VE NC Com NO NC Com NO NC Com NO Source select Transmitter 1 2 3 3 2 7 8 9 10 11 12 13 14 15 R L 3 Wire 4 20mA Sink with Relays G VE Signal VE VE Sign...

Page 55: ...ensor White Wire RFD Sensor Connection NTS SA 07 Dec 09 Sensepoint XCD RFD Installation Drawing 3001G0453 A 07 DEC 09 New Drawing J Y JIN 03 MAR 10 B Text Modify J Y JIN C 07 APR 10 Add Sheet J Y JIN J Y JIN 04 May 10 D Table Change E 07 Jun 10 Add Sheet J Y JIN 3001G0453 3 Wire Flammable IR Sensor Brown VE VE Signal Transmitter 1 2 Detector Sensor 16 17 18 G G 3 Blue White D C Transmitter Detecto...

Page 56: ... SPXCDHMRFEN Issue 4_08 2016 56 17 3 Duct Mounting Drawing NTS BEN 6 25 2008 A B C D E F Duct Mounting Hole I ITEM LIST 1 DUCT MOUNTING PLATE 1 159 6 279 150 5 906 120 4 724 10 0 394 4 Mounting Hole 100 3 937 164 6 457 37 1 472 12 0 453 ...

Page 57: ...onent Volume 4 68 cm 3 4 The position of feed points split lines and ejectors to be agreed by HAAP before tool production commences Max permissable flash 0 02 5 PTFE SILICONE or STEARAE RELEASE AGENTS must not be used during manufacture 6 The CAD DATA to be used as the master information for producing this component Dimensions on this drawing are for reference only 7 All surfaces to be free from s...

Page 58: ...Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08 2016 58 2 1 BEN 316SS 25 Oct 07 A B C D 1 5 30 8 0Ø 13 120 M8x1 25 6g 8 13 M8x1 25 6H 3 1 2 14 96 8 36 1 98 17 5 Mounting Bolt Assy Drawing ...

Page 59: ...Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08 2016 59 17 6 Mounting Bracket Drawing ...

Page 60: ...Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08 2016 60 17 7 Sensepoint XCD RFD Sensor ...

Page 61: ...NS AND COPYRIGHT ARE RESERVED A3 THIS ITEM FORMS PART OF A CERTIFIED PRODUCT NO MODIFICATION PERMITTED WITHOUT REFERENCE TO CERTIFICATION DEPARTMENT APP D CHANGE DATE ISSUE SCALE NTS MATERIAL FINISH Ben 2011 08 25 Sensepoint XCD RFD Control Drawing for cCSAus 3001EC091 SHT OF 1 2 DR N TITLE 1 25 AUG 11 New Drawing Jeffrey L 16 AUG 12 2 Notes changed Jeffrey L 3 05 SEP 12 Notes changed Jeffrey L 30...

Page 62: ...UC ED EITH ER WH OLLY OR P A RTLY A LL RIGH TS IN RES P EC T OF P A TEN TS DESIGN S A ND C OP YRIGH T A RE RES ERVED A3 THIS ITEM FORMS PART OF A C ERTIFIED PRODUC T NO MODIFIC ATION PERMITTED WITHOUT REFERENC E TO C ERTIFIC ATION DEPARTMENT APP D C HANGE DATE ISSUE SC ALE NTS MATERIAL FINISH Ben 2011 08 25 Sensepoint XCD RFD Control Drawing for cCSAus 3001EC091 SHT OF 2 2 DR N TITLE 1 25 AUG 11 N...

Page 63: ...Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08 2016 63 18 Certification 18 1 China GB Ex and PA China GB Ex Chinese Version ...

Page 64: ...Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08 2016 64 China GB Ex English Version ...

Page 65: ...Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08 2016 65 China PA Certification ...

Page 66: ...Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08 2016 66 18 2 Korea KTL ...

Page 67: ...Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08 2016 67 18 3 European ATEX ATEX For Transmitter ...

Page 68: ...Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08 2016 68 ATEX for Sensor ...

Page 69: ...Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08 2016 69 18 4 International IEC IEC Ex for Transmitter ...

Page 70: ...Sensepoint XCD RFD Technical Manual SPXCDHMRFEN Issue 4_08 2016 70 IEC Ex for Sensor ...

Page 71: ...CT OF PATENTS DESIGNS AND COPYRIGHT ARE RESERVED APPROVED BY CHANGE DATE ISSUE SCALE MATERIAL FINISH TITILE DRAWING SHT OF THIS ITEM FORMS PART OF A CERTIFIED PRODUCT NO MODIFICATION PERMITTED WITHOUT REFERENCE TO CERTIFICATION DEPARTMENT SHT 1 30 SEP 08 ADD Certi IP66 J Y JIN 2 18 NOV 09 ADD NOTES J Y JIN 3 01 JUL 10 J Y JIN ADD Certi No 4 12 DEC 11 Jeffrey L CHANGED Tamb 5 24 APR 12 Jeffrey L 6 ...

Page 72: ...abel Artwork Drawing BEN HUR 12 SEP 08 NTS A 12 SEP 08 NEW DRAWING J Y JIN THIS DRAWING IS CONFIDEN TIAL IT IS THE PROPERTY OF HONEYWELL ANALYTICS LTD AND MUST NOT BE REPRO DUCED EITHER WHOOLY OR PARTLY ALL RIGHTS IN RESPECT OF PATENTS DESIGNS AND COPYRIGHT ARE RESERVED APPROVED BY CHANGE DATE ISSUE SCALE MATERIAL FINISH TITILE DRAWING SHT OF THIS ITEM FORMS PART OF A CERTIFIED PRODUCT NO MODIFICA...

Page 73: ...s or vapour to be detected the following cross calibration procedure may be followed Notes 1 Table 14 lists a selection of hydrocarbon compounds and states a reference figure or Star Rating according to the reaction they produce in relation to other hydrocarbons 2 An eight star 8 gas produces the highest output while a one star 1 gas produces the lowest output No Gas Star Rating 1 Acetone 4 2 Ammo...

Page 74: ...ings must only be used with a calibration gas concentration of 50 LEL Table 15 Calibration span setting 3 If a sensor is to be used to detect a gas other than that for which it was calibrated and there is no intention to use an equivalent calibration gas to re calibrate the sensor then the required correction factor may be obtained from Table 16 The reading shown on the gas detector controller or ...

Page 75: ...Gas no 18 Methane 6 2 Then look up the span settings for a 50 LEL calibration gas in Table 15 by selecting the row of figures next to the 6 in the calibration gas column Select the figure in the 5 column of the gas to be detected section The figure is 62 3 This means that during re calibration the span gas setting on the gas detector transmitter or controller should be set to 62 LEL to give an acc...

Page 76: ...ith linear cross reference factor appliedfactor applied Use the following multiplying factors to cross refer to the propane reading Gas Multiplication Factor Ethylene 3 43 nButane 0 97 nPentane 0 89 Table 17 Multiplying Factors NOTE Honeywell Analytics recommends that users verify the accuracy of their instruments using test gasses wherever possible Cross referred measurements should be used as a ...

Page 77: ... and includes a switchable 120 Ohm termination resistor Baud rates 9600 or 19 200 are supported with 19 200 as the default Most of the operations that are possible with local user interfaces can also be performed using the Modbus interface This includes configuration operations However this Appendix only describes how to monitor XCD status using Modbus See Section 4 1 1 for information on installi...

Page 78: ...40003 Gas reading R f32 2 40005 Fault and Warning R u8 1 Fault 1100 Number Warning Number as is 40006 Alarm fault and warning state R u8 1 bit 0 Alarm 1 is active bit 1 Alarm 2 is active bit 2 3 for future expansion bit 4 Warning is active bit 5 Fault is active bit 6 7 for future expansion Note Latching relay setting latches Modbus values in register 40006 40007 Monitor state monitering R u8 1 1 N...

Page 79: ...www norrscope com ...

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