Teledyne 2230R User's Manual
Contents
1. Apply 30 000 H2 Ready Y Taking Average Calibration Gas 2 finished cap 0 00000 Calibration complete 4 Per TELEDYNE ANALYTICAL INSTRUM ENTS s recommendation upon completion of Calibration conduct the Verification sequence as described in the previous section to verify that the calibration process was executed correctly Page 26 i TELEDYNE ANALYTICAL INSTRUMENTS2. Continue test Verify Type y Sensor Y N Enter Gas H2 Type 30 for gas 2 30 hydrogen by volume Settle time min Type 30 for a 30 minute duration for gas 2 Tolerance 96H2 Type 1 0 absolute from the TOLERANCE CHART for 3096 hydrogen by volume Apply 30 000 H2 Type y Ready Y N Taking Average An average will be calculated Verification Gas2 finished Continue test Verify Type n to end field verification Sensor Y N Verification complete 4 If the unit passes Verification Calibration is not required at this time 5 If the unit fails Verification you will see the following 18 Taking Average An average will be calculated 19 Verify Failed Verification complete 6 If the unit fails Verification TELEDYNE ANALYTICAL INSTRUM ENTS recommends Calibration detailed in the following section TELEDYNE ANALYTICAL INSTRUMENTS MODEL 2230R Process Hydrogen Analyzer 5 5 CALIBRATION Calibration Interval Calibration is used to correct any offset that exist between the sensor output and a known hydrogen concentration Calibrations do not cause any wear on the sensor and can be accomplished as often as desired It is recommended that Calibration be performed if a unit fails Verification Calibration Procedure IMPORTANT NOTE During the Calibration process any previously completed Field Calibrations are cancelled As a result during the routine the unit may
3. 3 2 MOUNTING Mounting is achieved by securing the sensor tube into the supplied fitting directly in the process piping as shown below Optional mounting brackets that attach to the instrument housing are also available WARNING DO NOT CINCH DOWN OR TIGHTEN FERRULES OUTSIDE OF THE FERRULE REGION OF THE LONG TUBE OR YOU WILL RISK PERMANENTLY DAMAGING THE LONG TUBE AND SENSOR ASSEMBLY WITHIN 1 0 inches is the maximum distance that the fitting mount can be from the end plate of the M odel 2230R unit This is referred to as the Ferrule Region of the long tube which has a wall thickness of 0 065 in Any distance exceeding 1 0 in will be in the Sensor Assembly Region where the tube wall thickness is only 0 038 in Cinching down a fitting outside the Ferrule Region and in the Sensor Assembly Region may result in permanent damage to the long tube and the sensor assembly within 25 40 1 00 MAX mon TELEDYNE ANALYTICAL INSTRUMENTS M ODEL 2230R Process Hydrogen Analyzer 3 3 PROCESS CONNECTION M odel 2230R offer a variety of fittings to mate the unit to a process stream The following table lists our standard fitting selections Others are available upon request e V MNPT thread e V7 FNPT thread e 8SAE MSthread size and many other industry standards 3 4 PROCESS CONNECTION Power 8 to 13 VDC is connected via the Power Analog connector as shown in Section 4 1
4. LIMITATION OF LIABILITY In the event of a defect in a product Model 2230R shall not be responsible for any direct indirect incidental or consequential damages resulting therefore including but not limited to loss of revenue and or profit This manual provides information designed to guide you through the installation calibration and operation of your new analyzer Please read this manual and keep it available Occasionally some instruments are customized for a particular application or features and or options added per customer requests Please check the front of this manual for any additional information in the form of an Addendum which discusses specific information procedures cautions and warnings that may be specific to your instrument Manuals do get misplaced Additional manuals can be obtained from Teledyne at the address given in the Appendix Some of our manuals are available in electronic form via the internet Please visit our website at www teledyne ai com If there are any questions concerning this equipment please contact your local TAI representative or the factory directly at TELEDYNE ANALYTICAL INSTRUMENTS N TABLE OF CONTENTS DESCRIPTION SPECIFICATION OPERATION 3 1 UNIT LOCATION 3 1 1 WARNING LABEL 3 2 MOUNTING 3 3 PROCESS CONNECTION 3 4 STARTUP 3 5 SETTINGS 3 6 VISUALSTATUS INDICATOR 3 7 OPTIMUM UNIT PERFORMANCE ELECTRICAL amp COMMUNICATIO
5. WARNING IF SETTINGS ARE CHANGED FROM THOSE SET BY THE MANUFACTURER THEN IT IS THE USER S RESPONSIBILITY TO UNDERSTAND THE IMPLICATIONS TO THE CONNECTING EQUIPMENT MONITORING THE UNIT 3 6 VISUALSTATUS INDICATOR Located on the front of the unit next to model number marking the Status Indicator LED displays basic unit function as described below Status Indicator Color Normal operation Hydrogen Detected below R1 set point GREEN AMBER Warm up Hydrogen Detected above R1 and below R2 set points AMBER Hydrogen Detected above R2 set point Unit fault detected RED 3 7 OPTIMUM UNIT PERFORMANCE For maximizing the performance of the sensor the following steps are recommended e Verify that all electrical connections and made as recommended Switching the polarity can cause damage to the unit Ensure that the DC power supply utilized is appropriate and does not have large peak to peak noise e Perform a Field Calibration after installation and conditioning steps described in the Start up section are completed Page 11 TELEDYNE ANALYTICAL INSTRUMENTS M ODEL 2230R Process Hydrogen Analyzer e f the unit gets exposed to extended periods of no or some Oxygen condition the sensor as described in the Start up section and follow up with a Field Verification and Field Calibration if needed e Effect of pressure The M odel 2230R Analyzer is hydrogen specific and sensitive to only the hydrogen partial press
6. 296 124 51110 0 0000 312 124 51320 0 0000 TELEDYNE ANALYTICAL INSTRUMENTS 8 MODEL 2230R Process Hydrogen Analyzer The unit can be communicated with and configured via the use of commands as described below Two levels of communication outputs Serial are available e Level 0 Default level used for data monitoring and basic functions providing a continuous stream of data readings Commands Level 1 Password protected level used for configuration of user settable parameters interactive single line data output per command Communication The RETURN or ENTER key is the last character of the command string If either key is pressed without a command string the result is an invalid command and will resume continuous display if in Level 0 or return to prompt if in Level 1 Command Summary Description EM Stops continuous display to enter a password or command If in level zero the continuous display will resume after executing one command Pressing the Space key while the serial output is active will display a label line showing the heading for each column of data Average readings Clear peak hydrogen value Enter the password to change security level A null or invalid password returns to the default security level Level 0 password 0 Level 1 password h2scan Description Set the R1 R2 set points for the relay contacts in H Clear peak hydrogen value Display Product Infor
7. 5 10 H2 Y 0 3 0 2X Accuracy For 10 100 H2 Y 1 0 0 4X Number of Weeks after Field Calibration X Model Accuracy Drift week 2230R 0 3 absolute for 0 5 to 1096 H 0 2 absolute for 0 5 to 1096 H2 1 096 absolute for 10 to 10096 H 0 4 absolute for 10 to 10096 H Sensor performance specifications are only valid for units configured for a maximum 65 dry process stream temperature All figures assume pressure compensation operating in ambient that do not contain Oxygen and are in addition to any errors in the gasses used The accuracy is specified for serial port output only The drift chart can be used to determine the maximum recommended Verification interval to maintain a required level of accuracy For instance if 196 accuracy in a 596 H2 N2 gas is needed Verification should be typically performed every 3 5 weeks If 296 accuracy is needed in the same gas the recommended Verification interval can be extended to 8 5 weeks Verifications may be done more frequently than these intervals if desired and should always be performed if the sensor readings are unusual or suspected to have large errors TELEDYNE ANALYTICALINSTRUMENTS 8 M ODEL 2230R Process Hydrogen Analyzer The M odel 2230R Analyzer should be conditioned by operation in hydrogen exceeding 596 by volume until stable and taken through the Field Calibration if exposed to oxygen or operated without hydrogen for an exten
8. Once power is applied the unit executes a warm up sequence lasting five minutes The status LED will be amber in color during the warm up sequence When the unit is ready for operation the status LED will change to green if the measured hydrogen concentration is under the first relay set point and to red if it exceeds the second relay set point The following operations will be completed in this warm up sequence e Heat the sensor to operating temperature e Perform system self test WARNING MODEL 2230R PROCESS HYDROGEN ANALYZERS ARE CALIBRATED IN A HYDROGEN NITROGEN H N BACKGROUND AND SHOULD NEVER BE OPERATED IN AN AIR OR OXYGEN BACKGROUND After warm up the Model 2230R Analyzer should be run in a hydrogen concentration exceeding 596 by volume for at least an hour Oxygen will readily adsorb on the M odel 2230R Analyzer and can confound the hydrogen measurements If the sensors are left in oxygen air or any environment without hydrogen for long periods of time they must be conditioned in hydrogen to remove adsorbed oxygen and taken through the Verification process to check accuracy Failure of the Verification will require that the sensors go through Calibration Both procedures are described later in this manual The M odel 2230R Analyzer can be exposed to oxygen for short periods of time without adverse effects if the unit is turned off If the units are operated in oxygen or stored in air for longer than a week the units hyd
9. display a hydrogen concentration that is different from the applied gas concentration This is normal Once the procedure is completed the readings will be corrected to display the right concentrations for all subsequent exposures Calibration can only be accomplished through interface with the unit via the serial port refer to the previous Serial Communication Commands section and the LEVEL 1 COMMANDS table in Section 4 3 Analog outputs can be monitored through the user s system Calibration Using Serial Interface firmware version 0 47 Follow the sequence below 1 Press Esc 2 The unit will return the command prompt H2scan 3 Type f then hit Enter and follow prompts to field calibrate the sensor with two gas concentrations These steps will implement the following specification values as an example for values in bold please substitute appropriate values relative to your specific operational conditions e Local atmospheric pressure 0 969 ATM e Hydrogen range 0 to 30 hydrogen balance nitrogen e Field Verification Gas 1 1 hydrogen balance nitrogen instead of gas 1 being 0 hydrogen H2scan recommends Field Verification gases always have a hydrogen concentration e Field Verification Gas 2 30 hydrogen balance nitrogen e Settle Time 30 minutes TELEDYNE ANALYTICAL INSTRUMENTS recommends this duration for field calibration WARNING AS IN THIS EXAM PLE FOR OPTIMIZATION THE HYDROGEN CONCENTRATIONS OF THE
10. GASES IMPLEMENTED IN FIELD CALIBRATION AND FIELD VERIFICATION MUST BE THE SAME TELEDYNE ANALYTICAL INSTRUMENTS M ODEL 2230R Process Hydrogen Analyzer Step Display User response 1 H2scan Type f to run field calibration Pu Ready to Calibrate Type y n Pressure is 0 9690 Type atm Y Please note that the firmware has remembered the atmospheric pressure from the preceding Verification procedure Type n if a change is required and enter the correct pressure Save as default Type n IE Gasl is 0 H2 Type n Y N 6 Gaslforres Y N Cal Gas 2 000 H2 Type 8 Enter gas Type 1 for gas 1 1 hydrogen by volume Cal Gas 1 000 H2 Type Settle time 3 min Type n mur 11 Entertime Type 30 for a 30 minute duration for gas 1 Settle time 30 min Type y Apply 1 000 H2 Type y Ready Y N y Taking Average Calibration Gas 1 finished FSi cap 0 00000 15 Gas2forres Y N Cal Gas Type n Ed 100 000 H2 Y N 17 Enter gas Type 30 for gas 2 30 hydrogen by volume E Cal Gas 30 000 H2 Y N Pan Settle time 1 min Type Y N 20 Enter time Type 30 for a 30 minute duration for gas 2 TELEDYNE ANALYTICAL INSTRUMENTS MODEL 2230R Process Hydrogen Analyzer Settle time 30 min Type
11. MODEL 2230R Process Hydrogen Analyzer OPERATING amp INSTRUCTION MANUAL PIN 6 30 2011 ECO IMPORTANT NOTICES Read and understand this operating manual AN before installing or using the unit Only use cables from Model 2230R with this unit If this equipment is used in a manner not specified by Model 2230R the protection provided by this equipment may be impaired W TELEDYNE ANALYTICAL INSTRUMENTS Page M ODEL 2230R Process Hydrogen Analyzer Copyright 2006 Teledyne Analytical Instruments All Rights Reserved No part of this manual may be reproduced transmitted transcribed stored in a retrieval system or translated into any other language or computer language in whole or in part in any form or by any means whether it be electronic mechanical magnetic optical manual or otherwise without the prior written consent of Teledyne Analytical Instruments 16830 Chestnut Street City of Industry CA 91749 1580 Warranty This equipment is sold subject to the mutual agreement that it is warranted by us free from defects of material and of construction and that our liability shall be limited to replacing or repairing at our factory without charge except for transportation or at customer plant at our option any material or construction in which defects become apparent within one year from the date of shipment except in cases where quotations or acknowledgements provi
12. N 41 CONNECTIONS 4 2 ANALOG OUTPUTS 4 3 SERIALCOMMUNICATION MAINTENANCE 5 1 CLEANING 5 2 CALIBRATION INTERVAL 5 3 FIELD VERIFICATION amp FIELD CALIBRATION GASES 5 4 VERIFICATION 5 5 CALIBRATION i TELEDYNE ANALYTICAL INSTRUMENTS MODEL 2230R Process Hydrogen Analyzer 06 07 09 09 09 09 10 10 11 11 11 12 12 13 20 20 20 20 21 24 Page 5 MODEL 2230R Process Hydrogen Analyzer 1 DESCRIPTION The M odel 2230R Process Hydrogen Analyzer is designed to detect and or measure hydrogen as a component of a gas mixture The hydrogen specific solid state sensing element is designed for ease of use interface flexibility and true process control The electronics contains all the circuitry necessary to operate the sensor and present calibrated hydrogen readings to a voltage or current analog output and an RS232 or RS422 digital output The monitor can be implemented in humidity and in process gas streams with temperatures up to 100 C The M odel 2230R is ideal for hydrogen production and petrochemical applications where real time measurements can enhance process plant efficiencies diagnostics and maintenance management Model 2230R TELEDYNE INSTRUMENTS Analytical Instruments 16830 Chestnut Street City of Industry CA 91749 1580 Telephone 626 934 1500 Fax 626 961 2538 Web www teledyne ai com Or your local representative Email ask_tai teledyne com TELEDYNE ANALYTICAL INSTR
13. R TO MAKE CONNECTIONS TO RELATED EQUIPMENT IN A MANNER CONSISTENT WITH THE LOCATION CLASSIFICATION 4 1 CONNECTIONS Power Analog Output Connector 1 Supplied Cable 4m 12 ft standard length Other lengths available _ WireColor Description Brown 13 VDC L White VDC Return Black Positive Analog Output L Blue X Analog Output Return TELEDYNE ANALYTICAL INSTRUMENTS eet MODEL 2230R Process Hydrogen Analyzer Relays Optional Connector 2 Supplied Cable 4m 12 ft standard length Other lengths available Greys Relay nk 77 Relay 1 Normally Closed NC Black Relay 1 Normally Open NO White Relay 2 Common Blues Relay 2 Normally Closed NC Brown Relay 2 Normally Open NO Serial Interface Optional Remote User Interface Module Optional Connector 3 Supplied Cable 4m 12 ft standard length Other lengths available Description DB9 DB25 Description DB9 DB25 Pin Pin Pin Pin Brown 46V N C White Device Transmit 3 2 TxD Device Transmit Ve 3 2 Bue TxD Device Transmit Ve 4 3 Black RxD Device Receive 2 3 RxD Device Receive Ve 2 20 Grey RxD Device Receive 6 8 Pink Ground 5 7 Ground 5 7 4 2 ANALOG OUTPUT The user can request for a specific output current or voltage range or there are a number of standard analog output ranges the user can select from wh
14. UMENTS M ODEL 2230R Process Hydrogen Analyzer 2 SPECIFICATIONS Process Gas Stream Ambient Temperature Power Supply Environmental Ingress Protection Analog Outputs Serial Communications Relay Contacts Optional Dimensions Weight Product Life Expectancy Certifications Temperature 20 C to 100 C Flow Rate 0 to 50 slpm Operating 20 C to 40 C Storage 40 C to 50 8 VDCto 13 VDC 1 0A Indoor Outdoor Use Altitude up to 2000 meters Pollution degree 2 environment IP64 capable Output Voltages OR e OVDCto 5 VDC e 1VDCto5VDC Output Currents 4mAto20mA e OmAto20mA User specific ranges available RS 232 or RS 422 Two programmable 60 VDC 1 A SPDT relays with both normally open N O and normally closed N C contacts See following figure dimensions in inches mm 0 37 kg 0 82 Ib 10 years CE Deum 0 ARRTELEDYNE ANALYTICAL INSTRUMENTS 7 MODEL 2230R Process Hydrogen Analyzer SERIAL COMMUNICATION OPTIONAL RELAY OPTIONAL POWER amp ANALOG 85 10 xul A TELEDYNE ANALYTICAL INSTRUMENTS M ODEL 2230R Process Hydrogen Analyzer 3 OPERATION 3 1 UNIT LOCATION The unit can be mounted in any orientation or position however vertical mounting unit above process connection should be made in process streams containing liquids or potentially condensing gases 3 1 1 WARNING LABEL Remove sensor tube warning label prior to using the unit
15. alibration data returns to last factory calibration data The Format fmt string is a two character hexadecimal representation of an 8 bit value derived from the following table The user determines Format fmt which data is needed and selects that bit value Once all selections are made the values are summed bitwise and then converted to a two place hexadecimal value To aid in the conversion a 4 bit to hexadecimal conversion table follows in EXAM PLE 3 Format Bit Value Identifiers Serial output Format fmt parameter select the desired columns of data from this list add the bit value for each column bitwise and convert into two hexadecimal characters using the 4 bit to Hexadecimal table in EXAMPLE 3 Description Bit Value Include time stamp 1 Include raw values Include temperature 0 0 1 0 0 0 0 0 Include sensor temperature ENERO Include capacitor reading 0 0 0 0 1 0 0 0 Ai TELEDYNE ANALYTICAL INSTRUMENTS M ODEL 2230R Process Hydrogen Analyzer Include resistor reading Include overall hydrogen reading Include peak hydrogen reading The Options lt opt gt string is a two character hexadecimal representation of an 8 bit value derived from the following table The user determines Options opt which data is needed and selects that bit value Once all selections are made the values are summed bitwise and the
16. d Verification gases always have a hydrogen concentration e Field Verification Gas 2 30 hydrogen balance nitrogen e Settle Time 30 minutes TELEDYNE ANALYTICAL INSTRUMENTS recommends this duration for field verification e Tolerance of Field Verification Gas 1 1 hydrogen by volume For example 0 30 absolute hydrogen by volume refer to the TOLERANCE CHART above or enter user desired tolerance NOTE Poor accuracy of the verification gases will influence the achievable accuracy from the unit e Tolerance of Field Verification Gas 2 30 hydrogen by volume 1 0 absolute hydrogen by volume refer to the TOLERANCE CHART above or enter user desired tolerance 4 TELEDYNE ANALYTICAL INSTRUMENTS ee MODEL 2230R Process Hydrogen Analyzer Step Display User response Type e to run field verification E Ready to Verify Type y Y N Pressure is 1 000 Type p atm Y N L4 Enter new pressure Type 969 for the local atmospheric pressure Pressure is 0 9690 Type y Bd atm Y N EST Save as default Type n Y N a Verify Sensor Type y Y N Enter Gas 96H2 Type 1 for gas 1 1 hydrogen by volume settle time min Type 30 for a 30 minute duration for gas 1 L 30 Tolerance 2 Type 0 396 absolute from the for 196 hydrogen by volume Apply 1 000 H2 Type y Ed Ready Y N Taking Average An average will be calculated Verification Gasl finished
17. de for a shorter period Components manufactured by others bear the warranty of their manufacturer This warranty does not cover defects caused by wear accident misuse neglect or repairs other than those performed by Teledyne or an authorized service center We assume no liability for direct or indirect damages of any kind and the purchaser by the acceptance of the equipment will assume all liability for any damage which may result from its use or misuse We reserve the right to employ any suitable material in the manufacture of our apparatus and to make any alterations in the dimensions shape or weight of any parts in so far as such alterations do not adversely affect our warranty Voided Warranty e The unitis opened and the manufacturing seal is broken e Unauthorized repair work performed at the customer s location or carried out by anyone other than Teledyne Analytical Instrument factory trained technicians e Equipment or parts that have been tampered with misused neglected mishandled improperly adjusted or modified in any way without the written consent of M odel 2230R e Equipment or parts that have been damaged due to shipping misuse accidents mishandling neglect or problems with electrical power sources e Repair work performed during the warranty period does not prolong the warranty period past the original period e System operation in incorrect or inappropriate environments e Usage that is not in accordance with sys
18. ded period If the unit continues to exhibit errors in excess of the published accuracy specification and drift rate please contact TELEDYNE ANALYTICAL INSTRUM ENTS for factory evaluation and repair Verification Procedure Verification can only be accomplished through interface with the unit via the serial port refer to the previous Serial Communication Commands section and the LEVEL 1 COM M ANDS table in Section 4 3 Verification of sensor output should be conducted on a regular basis to insure proper unit operation Analog outputs can be monitored through the user s system As part of this sequence the date of verification is stored in the unit s memory WARNING IN ORDER FOR VERIFICATION TO SUCCESSFULLY TAKE PLACE THE SENSOR MUST BE IN NORMAL RUNNING MODE Verification Using Serial Interface After establishing serial communication then follow the sequence below 1 Press Esc 2 Theunit will return the command prompt H2scan 3 Type e then hit Enter and follow prompts to field verify sensor calibration at two gas concentrations These steps will implement the following specification values as an example for values in bold please substitute appropriate values relative to your specific operational conditions e Local atmospheric pressure 0 969 ATM e Hydrogen range 0 to 30 hydrogen balance nitrogen e Field Verification Gas 1 1 hydrogen balance nitrogen instead of gas 1 being 0 hydrogen H2scan recommends Fiel
19. etc can be used to establish serial Software communication with the unit RS232 RS422 optional 19200 Baud 8 bit data 1 stop bit No parity Xon Xoff Format and Settings Streaming data is presented in column format Once serial communication is established and the unit is operating in normal mode data will be displayed in the user specified format The display Data Display output options are configured via a serial command as described in the following sections refer to the SERIAL COM M UNICATION COM M ANDS FORMAT fmt and OPTIONS opt sections Columnated data available are as follows Page 14 TELEDYNE ANALYTICAL INSTRUMENTS MODEL 2230R Process Hydrogen Analyzer fmt Format these appear in their own columns Timestamp an integer count at 0 25 sec intervals Printed Circuit Board PCB Temperature in Sensor Temperature in Raw Analog Data Converter ADC Values Calibrated Hydrogen Values Peak Hydrogen Values opt Options these status data appear in the M ESSAGES column e Calculation Errors e Heater State What follows are examples of typical user specified outputs Example 1 Sample serial data with column headers Calibrated H2 and M essages only Display H2san Type g0206 Example 2 Sample serial data with column headers Multiple Outputs Specified Display M2scam Type gb206 Time stamp Snsr Temp H Messages 264 124 50800 0 0000 280 124 50910 0 0000
20. ich are listed below The analog output the user selects is scaled to the user s hydrogen range of interest of this is initially set at the factory per customer specification at the time of order Below is the table for standard analog output current ranges 4mAto2m A 2 mA 3mA OmAto2mA 20 mA TELEDYNE ANALYTICAL INSTRUMENTS MODEL 2230R Process Hydrogen Analyzer The user can change to another current range of the analog output in the field Please refer to the 1 command in Section 4 3 SERIAL COM M UNICATION Below is the table for standard analog output voltage ranges 0Vto5V OV 5V 0 5 V OV 5V 4 5 V OV 5V The user can change to another voltage range of the analog output in the field Please refer to the V command in Section 4 3 SERIAL COM M UNICATION WARNING THE USER CANNOT CHANGE FROM A CURRENT RANGE TO A VOLTAGE RANGE OR FROM A VOLTAGE RANGE TO A CURRENT RANGE OUT IN THE FIELD THIS REQUIRES A FACTORY MODIFICATION 4 3 SERIAL COMMUNICATION The user can monitor output and interface with the unit to perform calibration or adjust user Settings via the serial communication connector The serial communication is accomplished via an RS232 optional RS422 interface Serial Any serial port two way communications software such as terminal Communications emulators HyperTerminal Telnet etc and purpose built software using LabView Visual Basic CH
21. in an Inert i e nitrogen Background Gas For a unit calibrated in an inert gas i e nitrogen background carry out Verification and Calibration in an inert i e nitrogen gas background Gas Connection Gases are applied to the unit through user s piping TELEDYNE ANALYTICALINSTRUMENTS MODEL 2230R Process Hydrogen Analyzer 5 4 VERIFICATION Verification Interval Verification is a process to compare the sensor output to a known hydrogen concentration Verifications do not cause any wear on the sensor and can be accomplished as often as desired The recommended interval to perform Verification depends solely on the user s desired tolerance for the specific application in question If the user does not have a specific desired tolerance TELEDYNE ANALYTICAL INSTRUM ENTS recommends that Verification be performed every three months The tolerance error in measuring hydrogen has two primary components the initial accuracy number offset and a weekly drift value slope The chart below is provided as a guideline for tolerance estimation for the M odel 2230R and can be a useful tool in determining the initial verification frequency The subsequent verification frequencies can be decided based on the actual weekly drift observed The tolerance chart may be used in accordance with TELEDYNE ANALYTICAL INSTRUM ENTS M odel 2230R accuracy specifications Tolerance Chart Gas Temperature lt 65 Tolerance Calculations For 0
22. lue 8b From the OPTIONS opt table above you identify your desired columns with its corresponding bit value opt Bit Value Calculations Errors 0000 0100 0000 0010 opt 4 Bit Value Combination 0000 0110 Again use the 4 BIT TO HEXADECIM AL table to convert this 4 bit value combination into a two place hexadecimal value opt Two Place Hexadecimal Value 06 Conclusion To have the Time Stamp Capacitor Reading Overall Hydrogen Reading the Peak Hydrogen Reading Calculations Errors and Heater State columns continuously reported you will implement the serial command Go Command refer to LEVEL 1 COMMANDS table as follows at the H2scan command prompt fmt opt g 8b 06 Display H2sam g 8b 06 TELEDYNE ANALYTICAL INSTRUMENTS M ODEL 2230R Process Hydrogen Analyzer 5 MAINTENANCE 5 1 CLEANING If the unit is exposed to process streams containing debris condensates or other material that may collect over the sensor tip then the unit should be removed from the stream periodically and the tip cleaned by a gentle wiping with a clean lint free cloth or paper 5 2 CALIBRATION INTERVAL TELEDYNE ANALYTICAL INSTRUM ENTS recommends that the system calibration be carried out if the unit fails Verification Field Verification can occur as often as needed and is recommended when the tolerated sensor drift may result in unacceptably high errors Anticipated drift ra
23. mation Enter page number 0 6 or A for all pages default is page 0 0 Product information 1 User configuration 2 Manufacturing information 3 Product configuration 4 Sensor characterization data 5 Hydrogen calibration data Aj TELEDYNE ANALYTICAL INSTRUMENTS eS MODEL 2230R Process Hydrogen Analyzer 6 Temperature calibration data A All of the above Field Verify refer to the Section 5 4 VERFICATION Field Calibration refer to the Section 5 5 CALIBRATION Start or resume the sensor operation if needed heat the ASIC setup the sensor and output data on serial port this restores default settings refer to the FORM AT fmt and OPTIONS opt sections Set the hydrogen reporting range dow gt to high 96H Set the DAC current output range ow to high error output err and not ready output not rdy milliamps Possible range from 0 to 20 milliamps Print current hydrogen reading Used to poll for hydrogen readings Default format fmt is current setting refer to the FORMAT fmt and OPTIONS opt sections Select atmospheric pressure of gas Factory default pressure is 1 Stop the sensor turn off heater set Bias to zero set DAC outputs to zero and stop reporting data on the serial output Set the DAC voltage output range ow to high error output err and not ready output not rdy in volts Possible range from 0 to 5 volts Clear field c
24. n converted to a two place hexadecimal value To aid in the conversion a 4 bit to Hexadecimal conversion table follows in EXAM PLE 3 Options Bit Value Identifiers Serial output Options opt parameter select the desired status messages from this list which will appear in the M ESSAGES column add the bit value for each column bitwise and convert into two hexadecimal characters using the 4 bit to Hexadecimal table in EXAMPLE 3 Description Bit Value Calculation Errors Heater State Example 3 The user wishes to implement the G command Go command refer to LEVEL 1 COMMANDS table to have the following Character serial output columns reported from the 000 0 monitor Time Stamp Capacitor Reading 001 1 O Overall Hydrogen Reading the Peak pU SENE OSEE Hydrogen Reading Calculation Errors and 001 3 the Heater state a From the FORM fmt table above you 00 5 OE identify your desired columns with its corresponding bit value fmt Descriptions fmt Bit Value Time Stamp 1000 0000 Capacitor Reading 0000 1000 Overall Hydrogen Reading Peak Hydrogen Reading fmt 4 Bit Value Combination Aj TELEDYNE ANALYTICAL INSTRUMENTS 2 M ODEL 2230R Process Hydrogen Analyzer Now use the 4 BIT TO HEXADECIM AL table above to convert this 4 bit value combination into a two place hexadecimal value fmt Two Place Hexadecimal Va
25. nd operated properly Teledyne Analytical Instruments the manufacturer of this instrument cannot accept responsibility for conditions beyond its knowledge and control No statement expressed or implied by this document or any information disseminated by the manufacturer or its agents is to be construed as a warranty of adequate safety control under the user s process conditions TELEDYNE ANALYTICAL INSTRUMENTS M ODEL 2230R Process Hydrogen Analyzer SAFETY M ESSAGES Your safety and the safety of others is very important We have provided many important safety messages in this manual Please read these messages carefully A safety message alerts you to potential hazards that could hurt you or others Each safety message is associated with a safety alert symbol These symbols are found in the manual and inside the instrument The definition of these symbols is described below IM PORTANT NOTICES Read and understand this operating manual before installing or using the unit Only use cables from Model 2230R with this unit If this equipment is used in a manner not specified by Model 2230R the protection provided by this equipment may be impaired Hydrogen is flammable at 4 in air Take indications seriously and be prepared to take action In the event of detection of 496 or higher of a hydrogen gas concentration there is a high probability of a hazard to safety Inform local emergency response personnel immediately
26. rogen readings may be high due to oxygen adsorption on the sensor Hydrogen exposure will then cause the readings to drift lower as adsorbed oxygen is slowly removed and the unit recovers to normal steady behavior If this drift behavior is observed the sensor should be conditioned by operating in a hydrogen concentration exceeding 596 until the readings are stable The required hydrogen conditioning may vary from several hours to several days depending on the level of oxygen exposure Higher hydrogen concentrations used during conditioning may accelerate the process Once stable the unit should be taken through Verification to check accuracy and Calibration if needed TELEDYNE ANALYTICAL INSTRUMENTS MODEL 2230R Process Hydrogen Analyzer Power units on in 5 H by volume or greater EM Operate the Model 2230R Analyzer in the 5 or greater gas for six hours or longer Check to see if the sensor readings were accurate and stable over that time If the readings are not accurate and stable condition the sensor in 5 H N or greater gas overnight and perform the Verification and Calibration described later in this manual 3 5 SETTINGS The unit s operational and output settings have been configured at the manufacturer with settings specified at the time of purchase Settings may be changed through the use of Serial Communication as described in section 4 or through the use of an Optional User Interface M odule
27. tem guidelines or an operator s failure to follow manual instructions Important Notice This instrument provides measurement readings to its user and serves as a tool by which valuable data can be gathered The information provided by the instrument may assist the user in eliminating potential hazards caused by his process however it is essential that all personnel involved in the use of the instrument or its interface be properly trained in the process being measured as well as all instrumentation related to it TELEDYNE ANALYTICAL INSTRUMENTS MODEL 2230R Process Hydrogen Analyzer The safety of personnel is ultimately the responsibility of those who control process conditions While this instrument may be able to provide early warning of imminent danger it has no control over process conditions and it can be misused In particular any alarm or control Systems installed must be tested and understood both as to how they operate and as to how they can be defeated Any safeguards required such as locks labels or redundancy must be provided by the user or specifically requested of Teledyne at the time the order is placed Therefore the purchaser must be aware of the hazardous process conditions The purchaser is responsible for the training of personnel for providing hazard warning methods and instrumentation per the appropriate standards and for ensuring that hazard warning devices and instrumentation are maintained a
28. tes and error calculations are explained in the Verification section of this manual The user has two choices in calibrating the unit Contact TELEDYNE ANALYTICAL INSTRUMENTS to make arrangements for a comprehensive Factory Calibration using high accuracy gases by Factory TELEDYNE ANALYTICAL INSTRUM ENTS s factory trained technicians Calibration optional NIST traceable certificate available upon request An annual Factory Calibration is advisable to optimize performance Refer to Sections 4 4 and 4 5 for the operational procedure Customer specific Field Calibration Kits for the M odel 2230R analyzer is available Field from TELEDYNE ANALYTICAL INSTRUM ENTS Field Calibration is a 3 stage Calibration I 1 Run Field Verification 2 Run Field Calibration 3 Repeat the Field Verification to confirm a successful Field Calibration In the event the Field Calibration procedure seems to not be effective TELEDYNE ANALYTICAL INSTRUM ENTS recommends the unit be shipped back to the factory for a comprehensive evaluation and Factory Calibration 5 3 FIELD VERIFICATION amp FIELD CALIBRATION GASES Field Verification and Field Calibration require the availability of at least two certified known gases at values specific to the user s application For optimization the hydrogen concentrations of the gases implemented in Field Verification and Field Calibration must be the same Flow rate recommended is 0 5 0 2 slpm Verification Calibration
29. ure in the gas stream Since changes in total gas pressure will affect the hydrogen partial pressure they will also affect the sensor readings For instance at one atmosphere pressure a 50 H N mixture will be reported as 50 from the unit At 1 1 atm the reading will increase to 5596 and two atms will result in a reading of 100 In fact the Model 2230R Analyzer are capable of measuring multiple atmospheres of hydrogen and readings above 100 are interpreted as hydrogen pressures above one atmosphere So for example a reading of 150 H means 1 5 times the hydrogen pressure of a 100 concentration at one atmosphere At the factory the units are calibrated at one atmosphere pressure Performing the Field Calibration at the operating pressure will display the pressure corrected reading For example if the local atmospheric pressure is 0 97 atm doing a Field Calibration will correct for this e Verification Calibration gas bottle accuracy The inaccuracy of the gas bottle concentration will directly affect the measured accuracy by the units During factory calibration the units are calibrated with high accuracy gases as high as 0 02 accurate It is strongly recommended that the user perform calibration with similar high accuracy gases to maintain the accuracy specified in the manual 4 ELECTRICAL amp COMMUNICATION WARNING IF THE UNIT IS INSTALLED IN A CLASSIFIED LOCATION THEN IT IS THE RESPONSIBILITY OF THE USER AND INSTALLE
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