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CAI 700 CLD Series Operator'S Manual Download Page 34

700 CLD / O2 

 

5-04-2017 

 
 

 

34 

 

 

Diags 

 

Diagnostic Values is used to view Temperatures, Pressures, EPC Percent Full 

scale and Flows. 

 

 

Auto Range

 

Allows operators to turn Auto Range On or Off. 

 

 

Manual Cal 

Allows operators to Zero or Span the analyzer from the Manual Calibration menu. 

 

 

Menus

 

The Menus screen is the starting point for advanced setup and functions. 

 

 

Standby

 

When the analyzer is in Standby mode, it closes all valves and turns off the 

analyzer’s optional sample pump. 

 

 

Range Limits

 

This screen allows operators to customize the analyzer’s ranges. 

 

 

Span Conc

 

Operators can change Span gas concentrations for multiple ranges. 

 

 

NO

x

 Factors

 

 

Allows operators to set or adjust the NO

x

 Correction Factors.  

 

 

 

Summary of Contents for 700 CLD Series

Page 1: ...700 CLD O2 5 04 2017 1 CAI 700...

Page 2: ...x NO2 Mode 50 Automated Calibration 51 Initiate Sequenced Cal 53 Initiate Sequenced Check 55 Cal Gas Concentrations 56 Calibration Setup 57 Auto Calibration Schedule 58 Auto Calibration Parameters 60...

Page 3: ...put Assignments 104 Output Scaling 106 Output Adjustments 108 Programmable Digitals 110 Output Assignments 111 Output Hold Clear 114 Output Test 115 TCP IP Parameters 117 Data Logging Time 118 Auto St...

Page 4: ...nds 153 Control Commands 164 Configuration Commands 168 Modbus Protocol 174 MBAP Description 174 MBAP Header Description 175 Modbus Command Function Codes 176 Modbus Map 193 01H Single Read Coil 193 0...

Page 5: ...The CAI 700 CLD Analyzer is an exceptionally accurate chemiluminescent CLD gas analyzer designed for measuring oxides of nitrogen in gas samples It also includes a paramagnetic oxygen channel Features...

Page 6: ...In the NOx mode NO plus NO2 is determined as above however the sample is first routed through the internal NO2 to NO converter which converts the NO2 in the sample to NO The resultant reaction is dire...

Page 7: ...to 25 PSIG Sample flows through the sample EPC valve the NO NOx solenoid valve the sample capillary and into the reaction chamber The sample pressure is factory set to approximately 3 85 PSIG Standar...

Page 8: ...hour period Zero and Span Adjustment Via front panel TCP IP or RS 232 NH3 HCN and SO2 Effect Not detectable with 100 ppm CO2 Effect Less than 2 with 10 CO2 H2O Effect Less than 1 with 1 H2O Flow Cont...

Page 9: ...ction chamber Display 3 x 5 backlit LCD Sample Temperature Up to 50 C non condensing sample Ambient Temperature 5 to 40 C Ambient Humidity Less than 90 RH non condensing Warm up Time 1 hour typical Fi...

Page 10: ...n important detail A CAUTION safety alert appears with information that is important for protecting your equipment and its performance A WARNING safety alert appears with information that is important...

Page 11: ...CAUTION or WARNING statement Some or all of the above symbols may appear in this manual or on the equipment This manual should be consulted whenever one of these symbols is encountered on the equipmen...

Page 12: ...ping container your analyzer arrives in The shipping container and packaging are specially designed to protect the analyzer in transport If you ever need to return the analyzer to CAI for repair or an...

Page 13: ...functions 4 TCP IP connection to connect network connector 5 Serial connection to connect serial connector cable 6 Zero Gas inlet for feeding hydrocarbon free zero air to the analyzer Only present wi...

Page 14: ...ble gases 4 The instrument must not be subject to severe vibration If severe vibration is present use isolation mounts 5 The instrument is designed for rack mounting Optional rack mount slides are ava...

Page 15: ...s for the various output selection options Shielded wiring is recommended for output signals Recommended Gases Zero calibration for the 700 CLD requires ultra high purity nitrogen UHP N2 or calibratio...

Page 16: ...e ammonia scrubber be purchased and installed on the sample line prior to the sample entering the analyzer Gas Connections If the calibration gases are not connected to calibration inlets on the back...

Page 17: ...resence of Corrosive Gases The useful service life of the instrument will be shortened if high concentrations of corrosive gases such as Cl2 SO2 F2 HCl etc are present in the sampled gas Gas Temperatu...

Page 18: ...tion gas cylinder pressures should be set at 25 PSIG for delivery into the optional zero and span inlets located on the rear panel CAUTION If the analyzer contains an optional internal sample pump the...

Page 19: ...check the power source and the fuse If the problem persists call CAI Technical Support Refer to the Using the Keypad section and review the complete Operator s Manual for detailed instructions for pro...

Page 20: ...ng box was retained the analyzer should be stored in the box in the packing material supplied If the original box is not available and another appropriate box cannot be obtained the analyzer can be pl...

Page 21: ...values This is why each number key includes both the larger Function number at the top for example F1 and the smaller number underneath for numeric value for example 1 The Light key is used to turn th...

Page 22: ...splayed in the bottom right corner of the screen when the analyzer is in Numeric Entry mode An F is displayed when the analyzer is being used for Function mode In Function mode the arrow keys move the...

Page 23: ...cess the Main Menu to quickly find any screen Menu Main Menu F1 Measure F2 Measure Mode F1 NO Mode F2 NOX Mode F3 NO NOX NO2 Mode F4 Wet Dry with option F3 Menus F1 Calibration F2 Range Setup F3 Diagn...

Page 24: ...Pump Valves F4 Auto Cal Check F5 AutoCal Timing F6 Deviation Limits F7 Analog Hold on Cal F5 Calibration Factors F1 Manual Deviations F2 Auto Cal Deviations F3 Offset Gain Factors F6 Reset Factory Se...

Page 25: ...up Menu Main Menu F3 Menus F2 Range Setup F1 Range Limits F2 AutoRange On Off F1 AutoRange On F2 AutoRange Off F3 AutoRange Switch Points Security Level 3 FACTORY Security Level 2 SETUP Security Level...

Page 26: ...3 Menus F3 Diagnostics F1 Diagnostic Values F1 Temps Press EPC Flows F2 Raw Value Display F3 I O Status F1 Analyzer Digital Outputs F2 Analyzer Digital Inputs F3 Programmable Digital Outputs F4 Status...

Page 27: ...F1 Programmable Analogs F1 Output Assignments F2 Output Scaling F3 Output Adjustments F2 Programmable Digitals F1 Output Assignments F2 Output Hold Clear F1 Hold Outputs F2 Clear Outputs F3 Output Tes...

Page 28: ...nt Alarms F2 Alarm Log F3 Alarm Limits F1 Temperatures F2 Pressures F3 EPC Voltages F4 Concentrations F4 Alarm Display On Off F1 Turn Alarm Display On F2 Turn Alarm Display Off Security Level Legend S...

Page 29: ...Menu Main Menu F3 Menus F6 Service F1 Linear Coefficients F1 Range 1 F2 Range 2 F3 Range 3 F4 Range 4 F2 Factory Service CAI use Only Security Level Legend Security Level 1 STANDARD Security Level 2...

Page 30: ...n Menu F3 Menus F7 Security F1 Operator Levels F1 Standard Functions F2 Setup Functions F3 Factory Functions F2 Change Password F3 Reset Password Security Level Legend Security Level 1 STANDARD Securi...

Page 31: ...function keys All software functions of the 700 CLD Analyzer can be reached via the menu above from the Main Menu screen Operation starts by pressing the Menu key to bring up the Main Menu Use the Ar...

Page 32: ...Please review the descriptions below corresponding with the callouts on the illustration above to familiarize yourself with the Measure Screen Screen Name The name of the active screen the Analyzer i...

Page 33: ...analyzer s full scale value of the range currently in use Current Time Active Alarms Scrolls between Time and Date and any active alarms Keypad Status Indicates how the keypad input is currently bein...

Page 34: ...Manual Calibration menu Menus The Menus screen is the starting point for advanced setup and functions Standby When the analyzer is in Standby mode it closes all valves and turns off the analyzer s opt...

Page 35: ...O NOx or NO NOx NO2 The Measure Mode menu is accessed by pressing the key on the Main Menu This menu will affect how the analyzer operates and what is displayed in the Measure screen Press to set the...

Page 36: ...ode menu In NO mode the sample gas does not pass through the analyzer s NOx converter The final reading is NO only NOx Mode To change to the NOx mode press while in the Measure Mode menu In NOx mode t...

Page 37: ...set on the NO NOx NO2 Mode Times screen All NO and NOx readings are displayed as averaged values The cycle begins with the NO reading When the NO reading is completed the analyzer switches to the NOx...

Page 38: ...sed by pressing the key on the Main Menu This screen includes the Model and Serial Number of your analyzer for easy identification if you are discussing your analyzer with CAI factory settings for sam...

Page 39: ...nual menu is accessed by pressing the key on the Main Menu The current setting Remote Mode is displayed in the upper right hand corner of the screen Example SREM The analyzer can be controlled remotel...

Page 40: ...Standby or When the analyzer is in Standby Mode the pump is turned off and the solenoid valves are closed The CAI logo is displayed along with the Serial Number Standby mode is accessed by pressing th...

Page 41: ...tup and Diagnostics From the Main Menu press to bring up the Menus screen Press to access the Calibration menus Press to access the Range Setup menu Press to access the Diagnostics menus Press to acce...

Page 42: ...ation menu includes important features including basic setup for both manual and automated calibration Preparing the Analyzer for Calibration NOTE If you are changing the analyzer s factory settings C...

Page 43: ...calibration is performed a span calibration or check should be done afterward The analyzer has two separate manual calibration menus one for NO or NOx modes and a second menu for NO NOx NO2 mode The...

Page 44: ...ngle Mode operation the analyzer can only be calibrated for one mode The Manual Calibration menu is accessed by pressing from the Calibration menu Note For O2 calibration see examples for NOx Press to...

Page 45: ...m In the upper right corner of the screen you will see a status line that indicates how the calibration gas is being introduced into the analyzer In this case Cal Via Pump is displayed The other optio...

Page 46: ...ero portion of the calibration should now be complete If the calibration was successful the screen will say Saved Current above the concentration value Example of a successful calibration If the calib...

Page 47: ...rrect gas was introduced into the analyzer 2 Verify the Diagnostic Values while flowing gas 3 Check Zero Gas Deviations under Manual Deviations 4 Check Maximum Calibration Error under Calibration Setu...

Page 48: ...e press and change the concentration to match it Press again to close the span gas concentration field Make sure the analyzer is in the range you wish to calibrate Use the Up Down arrows to go to the...

Page 49: ...viation Limits See the Manual Zero Calibration section for examples of screens showing successful and unsuccessful calibrations If the span calibration is unsuccessful check the following 1 Make sure...

Page 50: ...ess the Manual Zero Calibration screen For details on zero calibration see Manual Calibration NO or NOx Mode Press to access the Manual Span Calibration screen For details on span calibration see Manu...

Page 51: ...ation menu Sequenced means that the flow times of both zero and span gases are controlled using a timer See AutoCal Timing located in the Calibration Setup menu NOTES An automated calibration should n...

Page 52: ...calibration can be preset to include the desired interval for recurring analyzer initiated calibrations This requires additional setup Automatic calibration of multiple ranges is also possible See Ca...

Page 53: ...he sequenced calibration is initiated it will calibrate the analyzer in the current mode and range In this case the NOx mode is shown near the upper left corner of the screen A sequenced calibration h...

Page 54: ...7 Purging With Sample Introduces sample gas back into the analyzer and clears out any remaining gases so the current measurements will not be affected by any residual calibration gases After these ste...

Page 55: ...ation Menu screen pressing initiates a sequenced calibration check Rather than initiating a calibration it checks the validity of your most current calibration A sequenced calibration check performs a...

Page 56: ...Menu The Cal Gas Concentrations screen displays the range identification the changeable span gas value and the full scale value set for that range Using the Up Down arrows move the highlighted field...

Page 57: ...e Calibration Setup menu apply to Automated Calibration The following also apply to Manual Calibration Cal Pump Valves Auto Cal Check Deviation Limits and Analog Hold on Cal All settings should be ver...

Page 58: ...addition to the Start Time and Date the Scheduled Calibration interval in the example scheduled every 3 days can be changed by the operator The Auto Calibrations screen is accessed by pressing from t...

Page 59: ...g Hourly Daily or Weekly to save your changes If this is not done the selected changes will not be made and the analyzer will revert to the previous settings To change Timed Auto Calibration to on or...

Page 60: ...field you intend to change Press to open the field and change the parameter Press again to close the field after you have made your change The first changeable parameter is the Range to be calibrated...

Page 61: ...Zero gas only or All calibration gases zero and span gases Press to open the field and change the parameter using the up down arrows Press to close the field Press to save your settings Once your cha...

Page 62: ...on Setup Menu Please note that the Calibration Setup menu will display the current settings on the right side of the screen after the ellipsis Example Cal Pump Valves Pump NOTE If the analyzer is equi...

Page 63: ...to set the analyzer parameter to Calibrate This setting will be saved and the analyzer will return to the Calibration Setup menu The Calibration Setup menu shows the current setting on the right side...

Page 64: ...gate between parameters use the up or down arrow to move the highlight to the field you intend to change Press to open the field and change the value seconds Press again to close the field after you h...

Page 65: ...ng time is factory set at 10 seconds and cannot be changed by the operator 3 Verifying Time during this time the measured value is checked to make sure it does not deviate outside the upper or lower l...

Page 66: ...the maximum acceptable error limits of the zero and span gases for both manual and sequenced calibration To access the Deviation Limits menu press from the Calibration Setup menu Press to set or view...

Page 67: ...to accept a calibration To access the Maximum Calibration Error screen press from the Deviation Limits menu To navigate between fields use the up or down arrow to move the highlight to the field you i...

Page 68: ...ed calibration To access the Maximum Verifying Error screen press from the Deviation Limits menu To set the allowable tolerances for different ranges use the up or down arrow to move the highlight to...

Page 69: ...g Hold On Cal menu press to turn Analog Hold On which will hold the analog outputs at the last measured value You will return to the Calibration Setup menu The Calibration Setup menu shows the current...

Page 70: ...ck and view changes from the factory and previous calibrations To access the Calibration Factors menu press from the Calibration menu Press to view the Manual Calibration Deviations menu Press to view...

Page 71: ...nual Deviations menu allows the operator to view the Zero and Span Deviations from manual calibrations Press from the Calibration Factors menu to access the Manual Deviations menu Press to view Zero G...

Page 72: ...Zero Gas Deviations screen Absolute Zero Gas Deviation is the zero gas content calculated by the factory polynomial related to the calibrated range limit Relative Zero Gas Deviation is the current de...

Page 73: ...view the Span Gas Deviations screen Absolute Span Gas Deviation is span gas bottle value minus span gas value calculated by the factory polynomial related to the calibrated range limit Relative Span G...

Page 74: ...either zero or span verifying deviations The verifying deviations are taken during the verifying stage of sequenced and auto calibrations Press from the Calibration Factors menu to access the Auto Ca...

Page 75: ...nu to view the Verifying Zero Deviations screen Measured Value is the averaged concentration during the Verifying Zero stage of sequenced and auto calibrations Variance is the difference of the measur...

Page 76: ...w the Verifying Span Deviations screen Measured Value is the averaged concentration during the Verifying Span stage of sequenced and auto calibrations Variance is the difference of the measured value...

Page 77: ...in Offset or Gain will provide insight into changes in analyzer performance Press from the Calibration Factors menu to access the Offset Gain Factors screen Offset is the difference between factory ze...

Page 78: ...f resetting the Offsets and Gains or both Factory Linear Coefficients and Offsets and Gains for all calibrated ranges Resetting factory settings will not affect any other operator changed parameters P...

Page 79: ...default settings 0 and 1 respectively and brings you to this confirmation screen Offset and Gain factors are created when the analyzer is zeroed and spanned If the Offsets and Gains are reset the anal...

Page 80: ...ients Offset and Gain Factors and NOx Correction Factors to factory default settings and brings you to this confirmation screen NOTE After resetting Linear Coefficients the analyzer must be zeroed and...

Page 81: ...Menus screen press to access the Range Setup menu Press to view or change Range Limits Press to access the Auto Range On Off menu In either case you will return to the Range Setup menu The Range Setu...

Page 82: ...down arrows to move the highlight to the field you intend to change Press to open the field to change the value in ppm Press again to close the field Press to save your changes To initiate the saved c...

Page 83: ...t two ranges set Range 1 to the lowest value Range 2 to the highest value and the others to zero 5 If new ranges are saved the Auto Range Switch Points will be set to default percentages of range limi...

Page 84: ...en The current Auto Range status appears in the upper right corner of the screen Press to turn Auto Range On This function allows the analyzer to automatically change ranges without the presence of an...

Page 85: ...wn Switch Point is 90 of the previous range s Up Switch Point To change the Auto Range Switch Points use the up down arrows to move the highlight to the field you intend to change Press to open the fi...

Page 86: ...the Diagnostic Values screen It allows you to check analyzer temperatures pressures EPC voltage percentages and flows Press to access the Raw Values Display menu Press to access the I O Status menu Y...

Page 87: ...reen displays the current temperature and low and high alarm limits for key analyzer components As indicated at the bottom of the screen use the left and right arrow keys to scroll to different screen...

Page 88: ...h alarm limits in PSIG EPC Voltage Percent Screen The EPC screen displays the percentage of EPC voltage being supplied to the EPC valve Flows Screen The Flows screen displays the current flow of sampl...

Page 89: ...e the calibration curve from which the Raw Concentration and Measured Concentration are derived The 0 512 volts is equal to 0 ppm and 4 512 is equal to the four factory set range limits Example of sta...

Page 90: ...cated above the range at the bottom right of the screen To return to the Measure mode press F4 again Meas will be indicated above the range on the screen Press to open the Span valve if your analyzer...

Page 91: ...he analyzer s digital outputs or digital inputs open or closed To access the I O Status menu press from the Diagnostics menu Press to view the status of the analyzer s standard digital outputs Press t...

Page 92: ...at are used to control the digital output function In the example M7 M is the Main Connector on the analyzer s back panel and 7 is the Pin Number on that connector The Status becomes closed when the f...

Page 93: ...ent Analyzer Digital Input screens The Pin column indicates the connector and the pin number that are used to control the function In the example M12 M is the Main Connector on the analyzer s back pan...

Page 94: ...s indicated at the bottom of the screen press the left and right arrow buttons to view the next or previous page of Programmable Digital Output statuses The column key is as follows Aux Pin Auxiliary...

Page 95: ...tocol information See AK Protocol The current status is shown in the upper right corner of the Status Line menu Example above OFF From the Diagnostics menu Press to select On or Off Press from the Sta...

Page 96: ...the operator to view or change averaging times NO NOx NO2 mode times and NOx correction factors Press to access the Output Settings menu The Programmable Analog and Programmable Digital outputs can b...

Page 97: ...rs Averaging Time NO NOx NO2 Mode Times and NOx Correction Factors The Measure Settings menu is accessed by pressing from the Setup menu Press to view or change the Averaging Time of the measured conc...

Page 98: ...menu press to access the Averaging Time screen The Averaging Time is a sliding average As shown above it can be set from 0 60 seconds Press to open the field to change the time After making your chan...

Page 99: ...and NOx cycles Any gas remaining in the sample stream from the previous mode is purged before integration into the next mode All NO and NOx readings are displayed as averaged values and the sample rea...

Page 100: ...normal operation To properly adjust for any offsets all four steps need to be done in order from through There is only one set of Offset and Correction Factors for all ranges Calibrating in NOx single...

Page 101: ...on does not match press and change the concentration to match Once the concentration stabilizes press to set the span Press to return to the NOx Correction Factors menu Press to set the analyzer in NO...

Page 102: ...Output Settings menu is accessed by pressing from the Setup menu Press to see the Programmable Analogs menu which allows the operator to view or change the analog Output Assignments Output Scaling or...

Page 103: ...s accessed by pressing from the Output Settings menu Press to view or reassign the four programmable analog output signals Press to view or set the output scaling of programmable analog output signals...

Page 104: ...s to access the Output Assignments screen Use the Up Down arrows to highlight the field you intend to change Press to open the field and use the Up Down arrows to change it to the desired signal Press...

Page 105: ...will be a live reading In NO NOx NO2 mode the output will be a read and hold SamplePres Sample pressure psig AirPres Air pressure psig OvenTemp Oven temperature C Heated version ConvTemp Converter te...

Page 106: ...n output for a specific concentration From the Programmable Analogs menu press to access the Output Scaling screen Use the Up Down arrows to highlight the field you intend to change Press to open the...

Page 107: ...t settings allow the output voltage to follow the range limits Example If Range 1 is set to 10 ppm and Range 2 is 100 ppm in Range 1 10 ppm will 10 VDC and in Range 2 100 ppm will 10 VDC 3 When the an...

Page 108: ...back to Measure For information on analog output connections see Analog and Digital Interface From the Programmable Analogs menu press to access the Output Adjustments screen Output Type can be set f...

Page 109: ...e FS column and press until the FS column value reads 100 0 Then use the Left Right arrows to highlight the Gain column Press to open the field Make a small adjustment and press again to close the fie...

Page 110: ...is accessed by pressing from the Output Settings menu From the Programmable Digitals menu Press to assign any of the 15 programmable digital outputs to a specific alarm or status Press to set the prog...

Page 111: ...ments screen Use the left and right arrow buttons to highlight the field you intend to change Press to open the field and use the up or down arrow button to change the signal Press again to close the...

Page 112: ...d R2NC Range 2 not calibrated R3NC Range 3 not calibrated R4NC Range 4 not calibrated O2NC O2 not calibrated Conc1 Concentration Alarm 1 Conc2 Concentration Alarm 2 O2ADC O2 ADC Alarm O2C1 O2 Concentr...

Page 113: ...Pressure Air Pressure Oven Temperature Converter Temperature Pump Temperature Diode Temperature Cell Temperature Dryer Temperature O2 Temperature Sample EPC Voltage Air EPC Coil Voltage ADC Over Range...

Page 114: ...Output Hold Clear menu is accessed by pressing from the Programmable Digitals menu Press to hold programmed alarm outputs until they are manually cleared Press to set the outputs to automatically cle...

Page 115: ...ressing from the Programmable Digitals menu The Output Test Warning screen first appears asking if you wish to continue the output test If you proceed with the test you must reboot the analyzer to exi...

Page 116: ...e the state of the output open or closed Press again to change the state back To test all the outputs at once press to change the state of all the outputs they are all Open in the example Press again...

Page 117: ...et Protocol specifies the addressing scheme Most networks combine IP with TCP establishing a virtual connection between destination and source The IP address Netmask and Gateway may be defined by the...

Page 118: ...n this feature on These files can only be accessed by CAI To access the Data Logging screen press from the Setup menu To turn Data Logging on press to open the field and change the Logging Interval fr...

Page 119: ...he analyzer was last in The operator can set the following parameters Auto Startup Turn the Auto Startup function on or off Wait for min Allow for the time it takes for the analyzer to warm up before...

Page 120: ...ting use the Up Down arrows to move the highlight to the setting you wish to change Press to open the field to change the value After making your change press again to close the field Press to save yo...

Page 121: ...alibrations and data time stamping The Clock Settings screen is accessed by pressing from the Setup menu To change a setting use the Up Down arrows to move the highlight to the setting you wish to cha...

Page 122: ...e alarms that are currently active Press to access the Alarm Log The operator can view a log of the last 40 alarms Press to access the Alarm Limits menu The operator can view or change the existing al...

Page 123: ...Range AirP Air Pressure AUnd ADC Under Range OvenT Oven Temperature R1NC Range 1 not calibrated ConvT NOx Converter Temperature R2NC Range 2 not calibrated PumpT Pump Temperature R3NC Range 3 not cali...

Page 124: ...view the analyzer s last 40 alarms and their current statuses Press to access the Alarm Log screen from the Alarms menu Press to view the next page Press to return to the previous screen Screen Name...

Page 125: ...R2NC Range 2 not calibrated PumpT Pump Temperature R3NC Range 3 not calibrated DiodT Diode Temperature R4NC Range 4 not calibrated CellT Cell Temperature O2NC O2 not calibrated DryT Dryer Temperature...

Page 126: ...Temperatures screen It allows the operator to set the upper and lower temperature alarm limits Press to access the Pressures screen It allows operator to set the upper and lower alarm limits for sampl...

Page 127: ...Limits menu press to access the Temperatures screen Use the left or right arrow to highlight the alarm limit you wish to change Press to open the field to change the value After making a change press...

Page 128: ...Limits menu press to access the Pressures screen Use the left or right arrow to highlight the alarm limit you intend to change Press to open the field to change the value After making a change press a...

Page 129: ...menu press to access the EPC Voltage Alarm Limits screen Use the left or right arrow to highlight the alarm limit you intend to change Press to open the field to change the value After making a chang...

Page 130: ...he concentration alarm limit you intend to change Press to open the field to change the value After making a change press again to close the field After the concentration limit is set specify whether...

Page 131: ...ting only the display will be turned off The scrolling alarms will be replaced with the CAI phone number when an alarm is active If there are no alarms only the date and time will be displayed Press f...

Page 132: ...and CAI Service The Service menu provides access to operator level linear coefficients and CAI factory service From the Menus screen press to access the Service menu Press to view or change operator...

Page 133: ...h order curve From the Service menu press to access the Linear Coefficients screen NOTES Changing linear coefficients can compromise the analyzer s accuracy and ability to function properly To reset F...

Page 134: ...highlight the coefficient you intend to change Press to open the field use the left and right arrow buttons to position the cursor and use the Up Down arrows or number keys to make your change Press a...

Page 135: ...ce The Factory Service menus can only be accessed by California Analytical Instruments The best way to contact CAI with a support question is to fill out our brief Technical Support Form at http www g...

Page 136: ...s screen press to access the Security menu Press to set the operator s access level The Operator Levels menu allows the operator to choose either Standard Functions or advanced Setup Functions Press t...

Page 137: ...and functions Press to set the operator level to Standard Functions for basic operation and calibration No password is required Press to set the operator level to Setup Functions for advanced operato...

Page 138: ...hange the Setup Functions password from the factory preset 222 to a new password From the Security menu screen press to access the Operator Levels screen To change the password press to open the field...

Page 139: ...the Reset Password screen To return the password to the original factory password you must enter WIZARD in the field Press to open the field and bring up a cursor Use the Up arrow to scroll to W Use t...

Page 140: ...or specific voltage range and signal assignments are assignable from the Setup menu See the following tables for pin numbers and functions Serial Interface The 9 pin Serial Interface connector provid...

Page 141: ...be used as the return line for the four analog outputs See Programmable Analog Output Adjustments Digital Output There are two types of digital outputs Static Digital Outputs Permanently assigned to...

Page 142: ...l Ground Main Pin 6 Note that some lines require only momentary operation and some selection lines are intended to be held continuously DRV The calibration gas valve drivers are application specific a...

Page 143: ...Digital Output NO Relay to Digital Ground 12 Set Auto Range Digital Input Hold to Ground in Remote 13 Control Range 1 Digital Input Hold to Ground in Remote 14 Control Range 2 Digital Input Hold to G...

Page 144: ...ay 5 Digital Output Uses Relay RTN 2 14 User Defined NO Relay 6 Digital Output Uses Relay RTN 2 15 User Defined NO Relay 7 Digital Output Uses Relay RTN 2 16 User Defined NO Relay 8 Digital Output Use...

Page 145: ...used to connect a master computer with the following pin assignment Figure 0 1 Serial Interface Pin 3 Txd transmit Pin 2 Rxd receive Pin 5 Gnd ground Interface Specifications Baud Rate 9600 4800 2400...

Page 146: ...mber is usually 0 For delimiting the command parameters from the channel number another blank follows This may be followed by command parameters with variable lengths Every command ends with the ETX E...

Page 147: ...e analyzer Sending the analyzer characters not framed as AK commands should be prevented as the menu could recognize these characters and cause unplanned changes in configuration The AK command was ty...

Page 148: ...g ASTF 7th Byte Blank 8th Byte K 9th Byte 0 10th Byte Blank D AK instruction parameters lengths variable A AK instruction parameters lengths variable T AK instruction parameters lengths variable A AK...

Page 149: ...h Byte Blank 8th Byte K 9th Byte 0 10th Byte Blank D AK acknowledgement parameters lengths variable A AK acknowledgement parameters lengths variable T AK acknowledgement parameters lengths variable A...

Page 150: ...t Explanation f Analyzer does not recognize the instruction sent xxxx f BS Analyzer is busy with another function xxxx f SE Syntax error within command parameters or incomplete command xxxx f NA Reque...

Page 151: ...y with a running function for example SLIN every arriving control command is ignored except SRES and STBY and the response message is e g SMAN 0 BS If in the SINT mode an additional SINT KO command is...

Page 152: ...Numeric integer value a0 a4 Polynomial coefficients s Status Yyymmdd Date of format year month and day with 2 characters each and no spaces Hhmmss Time of format hour minute and second with 2 charact...

Page 153: ...ative dev dr AANG Verifying Zero Point Deviation During Auto Calibration Command Response Description _AANG_K0 _AANG_s_M1_z z_da_dr _M2_z z_da_dr _M3_z z_da_dr _M4_z z_da_dr _02_z z_da_dr Verifying de...

Page 154: ..._ _a16 min_a16max Sets all alarm limits numbers and descriptions 1 Sample pressure 2 Air pressure 3 Oven temperature 4 Converter temperature 5 Pump temperature 6 Diode temperature 7 Cell temperature 8...

Page 155: ...ng of x ADUF Flows Command Response Description _ADUF_K0 _ADUF_s_z z_y y 1 Sample flow 2 Air flow _ADUF_K0_x _ADUF_s_xflow Flow of x AEFF NOx Correction Factors Command Response Description _AEFF_K0 _...

Page 156: ...ficients Command Response Description _AFGR_K0_Mn _AFGR_s_a0_a1_a2_a3_a4 Factory coefficients for range n _AFGR_K1_M1 _AFGR_s_a0_a1_a2_a3_a4 K1 O2 option AGRD Polynomial Coefficients Command Response...

Page 157: ...w _M2_z z_y y_x x_w w _M3_z z_y y_x x_w w _M4_z z_y y_x x_w w _02_z z_y y_x x_w w Percent Deviation of ranges M1 to M4 and O2 with O2 option z z Zero gas relative to last calibration y y Zero gas abso...

Page 158: ...e value of channel 1 Channel 1 is O2 with option _AKON_K4 _AKON_K5 _AKON_s_z z_y y_x x_w w_t Current measure value for all 4 ranges based on their calibration offsets and gains t Timestamp 1 10 sec AM...

Page 159: ...ARAW_s_z z_t Raw detector volts K1 for O2 with option t Timestamp 1 10 sec ARMU Raw Engineering Value Command Response Description _ARMU_K0 _ARMU_s_z z_t Raw engineering value before linearization off...

Page 160: ...emperature 7 Check cell temperature 8 Check gas dryer temperature 9 Check O2 temperature 10 Check sample EPC 11 Check air EPC 12 Range overflow 13 ADC range overflow 14 ADC range underflow 15 Range 1...

Page 161: ...ing gas Zero gas NO Zero gas O2 option Span gas NO Span gas O2 option Zero gas during auto cal End gas during auto cal Purging overflow State 3 SENO SNOX S2NO SNO2 NO mode NOx mode NO NOx NO2 mode NO...

Page 162: ...ATEM_K0 _ATEM_s_z z_y y_x x 1 Oven temperature 2 Converter temperature 3 Pump temperature 4 Diode temperature 5 Cell temperature 6 Chiller temperature 7 O2 detector temperature 8 Case temperature _ATE...

Page 163: ...Software Version Command Response Description _AVER_K0 _AVER_s_NMAIN_Z_mm dd yyyy_ NUSER_Y_mm dd yyyy_OSMSR_ X_dd mm yyyy Z NMAIN version build number Y NUSER version build number X OSMSR version bui...

Page 164: ...able ranges _ SATK_K0_Mn _SATK_s Start automatic calibration of range n SEGA Open Valve for Span Gas Calibration Command Response Description _SEGA_K0 _SNGA_s Sets NO to span calibration mode _ SEGA_K...

Page 165: ...gs to factory defaults Command Response Description _SFGR_K0 _SFGR_s Resets all calibration settings to their factory settings SMAN Manual Control to Control Device Manually Command Response Descripti...

Page 166: ...e Command Response Description _SNOX_K0 _SNOX_s Sets the measurement mode to NOx only SNO2 Sets NO NOX NO2 Mode Command Response Description _SNO2_K0 _SNO2_s Sets the measurement mode to NO NOx NO2 Au...

Page 167: ...UDP Data Streaming Command Response Description _SUDP_K0_ON _SUDP_s Starts data streaming via the UDP channel Configure the channel before starting with EUDP command _ SUDP_K0_OFF _SUDP_s Stops strea...

Page 168: ...min_ a1 max_ _a16max _EDAL_s Sets all alarm limits numbers and descriptions 1 Sample pressure 2 Air pressure 3 Oven temperature 4 Converter temperature 5 Pump temperature 6 Diode temperature 7 Cell t...

Page 169: ...erify time x Purge after z y x w in seconds _ EFDA_K0_ SSPL_z _EFDA_s Sets analyzer purge time to z seconds EGRD Set the Range Polynomial Coefficients Command Response Description _EGRD_K0_Mn_ A0_a1_a...

Page 170: ...onse Description _EMBE_K0_M1_ w w_M2_x x_M3_ y y_M4_z z _EMBE_s Sets the range full scale limits EMBU Set the Upper and Lower Range Switchover for Auto Range Command Response Description _EMBU_K0_M1_...

Page 171: ...hour minutes seconds each 2 characters no spaces ET90 Set Lowpass Filter Time Command Response Description _ET90_K0_t _ET90_s Sets lowpass filter time t filter time ETCP Set TCP IP Parameters Command...

Page 172: ...ening the UDP connection when it should not be using the IP of the connected TCP IP client optional Data Format DATA is any number of AK commands delimited by a semicolon Replace spaces in the AK comm...

Page 173: ...er code followed by the answer See corresponding AK command description Example Sending EUDP K0 7501 2 A AKON_KO ADUF_K0 will give the following streaming result 123 AKON 4 07 901 33 22 50 3481639460...

Page 174: ...es such as bridges routers and gateways that use a single IP address to support multiple independent Modbus end units 2 All Modbus requests and responses are designed to allow the recipient to verify...

Page 175: ...he request Protocol Identifier Used for intra system multiplexing The Modbus protocol is identified by the value 0 Length The Length field is a byte count of the following fields including the Unit Id...

Page 176: ...d 0 OFF The LSB of the first data byte contains the output addressed in the query The other bits follow toward the high order end of this byte and from low order to high order in subsequent bytes If t...

Page 177: ...puts 27 20 is shown as the byte value CD hex or binary 1100 1101 Output 27 is the MSB of this byte and output 20 is the LSB By convention bits within a byte are shown with the MSB to the left and the...

Page 178: ...750 Manual 5 04 2017 178 Command 01 Read Coil 200 Count 1 Result 01 Command 01 Read Coil 200 Count 16 Result 55 55 hex...

Page 179: ...starting at zero Therefore registers numbered 1 16 are addressed as 0 15 The register data in the response message are packed as four bytes per register with the binary contents right justified withi...

Page 180: ...9A The contents of Register 0 are shown as the 4 byte values of 44 9A 52 2C hex or 1234 56789 decimal Here is an example of a request to read Register 40201 Request Response Field Name Hex Field Name...

Page 181: ...alue Hi 40202 33 Number of Registers Hi 00 Register Value Lo 40201 33 Number of Registers Lo 06 Register Value Hi 40201 Register Value Lo 40201 Register Value Hi 40204 Register Value Lo 40204 Register...

Page 182: ...750 Manual 5 04 2017 182 Command 03 Read four Floating Point values starting at Address 1 Result 1234 56789 0 0 1234 568 10000...

Page 183: ...e addressed as 0 15 The register data in the response message are packed as two bytes per register with the binary contents right justified within each byte For each register the first byte contains t...

Page 184: ...Function 04 Starting Address Hi 00 Byte Count 02 Starting Address Lo 08 Input Register 9 Hi 00 Quantity of Input Registers Hi 00 Input Register 9 Lo 0A Quantity of Input Registers Lo 01 The contents...

Page 185: ...are addressed starting at zero Therefore the bit numbered 1 is addressed as 0 The requested ON OFF state is specified by a constant in the Bit Value field A value of 0xFF00 requests the bit to be ON A...

Page 186: ...est Response Field Name Hex Field Name Hex Function 05 Function 05 Output Address Hi 00 Output Address Hi 00 Output Address Lo AC Output Address Lo AC Output Value Hi FF Output Value Hi FF Output Valu...

Page 187: ...egister numbered 1 is addressed as 0 The normal response is an echo of the request returned after the register contents have been written Request Function Code 1 Byte 0x06 Output Address 2 Bytes 0x000...

Page 188: ...ex Request Response Field Name Hex Field Name Hex Function 06 Function 06 Register Address Hi 00 Register Address Hi 00 Register Address Lo 01 Register Address Lo 01 Register Value Hi 00 Register Valu...

Page 189: ...arting address and quantity of registers written The analyzer ignores the numbers in the register and byte count and expects four data bytes Request Function Code 1 Byte 0x10 Starting Address 2 Bytes...

Page 190: ...ion 10 Function 10 Starting Address Hi 00 Starting Address Hi 00 Starting Address Lo 01 Starting Address Lo 01 Quantity of Registers Hi 00 Quantity of Registers Hi 00 Quantity of Registers Lo 02 Quant...

Page 191: ...750 Manual 5 04 2017 191 Command 16 Write one floating point register at Address 40200 showing error response Not a valid address...

Page 192: ...o read an ASCII string Request Function Code 1 Byte 0x1A Starting Address 2 Bytes 0x0000 to 0xFFFF Quantity of Registers 2 Bytes 1 Response Function Code 1 Byte 0x1A Length of String 1 Byte 0x00 to 0x...

Page 193: ...temperature 6 Diode temperature 7 Cell temperature 8 Gas dryer temperature 9 O2 temperature with option 10 Sample EPC voltage 11 Air EPC voltage 12 Range overflow 13 ADC overflow 14 ADC underflow 15...

Page 194: ...by 1 Measure 103 1 Zero 104 1 Span 105 1 AutoCal 106 1 Purge 107 O2 0 Standby 1 Measure 108 O2 1 Zero 109 O2 1 Span 110 O2 1 AutoCal 115 0 Via Pump 1 Via Valves 118 0 Auto Off 1 Auto On 145 NO mode 14...

Page 195: ...118 0 Auto Off 1 Auto On 121 1 Sets current range offset to 0 0 122 1 Sets current range gain to 1 0 123 1 Sets O2 offset to 0 0 124 1 Sets O2 gain to 1 0 127 1 Sets offset of range if zero gas 128 1...

Page 196: ...g mode 40011 NO2 concentration Switching mode 40013 NOx concentration Switching mode 40017 O2 concentration with option 40019 O2 concentration before linearization and zero span corrections 40021 O2 r...

Page 197: ...scale 25 40133 Range 1 Auto Up 40135 Range 2 Auto Down 40137 Range 2 Auto Up 40139 Range 3 Auto Down 40141 Range 3 Auto Up 40143 Range 4 Auto Down 40201 Range 1 span gas concentration 40203 Range 2 sp...

Page 198: ...ximum 40251 Cell temperature alarm minimum 40253 Cell temperature alarm maximum 40255 Gas dryer temperature alarm minimum 40257 Gas dryer temperature alarm maximum 40259 Sample EPC voltage alarm minim...

Page 199: ...ressure alarm minimum 40233 Air pressure alarm maximum 40235 Oven temperature alarm minimum 40237 Oven temperature alarm maximum 40239 Converter temperature alarm minimum 40241 Converter temperature a...

Page 200: ...04 2017 200 Register Number Contents IEEE 40267 O2 detector temperature alarm minimum 40269 O2 detector temperature alarm maximum 40287 Sample concentration alarm minimum 40289 Sample concentration a...

Page 201: ...anted only to give reasonable service for a reasonable time which constitutes reasonable time and reasonable services shall be determined solely by CAI A complete list of such components and accessori...

Page 202: ...RCHANTABILITY AND THAT CAI SHALL HAVE NO LIABILITY FOR SPECIAL OR CONSEQUENTIAL DAMAGES OF ANY KIND OR FROM ANY CAUSE WHATSOEVER ARISING OUT OF THE MANUFACTURE USE SALE HANDLING REPAIR MAINTENANCE OR...

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