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Sensotec Rapidox 1100ZR-H-OL Instruction Manual Download Page 1

 

 

 

Rapidox 1100ZR-H-OL Oxygen Analyser

 

 
 

(Heller Specific Version) 

 

 
 

Instruction Manual

 

 

Revision 1.2 

 
 
 

 
 
 
 
 

 
 
 
 
 

Cambridge Sensotec Limited 

Unit 29 Stephenson Road 

St Ives 

CAMBS 

PE27 3WJ 

 
 

Tel. +44 (0)1480 462142 

Fax +44 (0)1480 466032 

Mobile (07866) 624236 

[email protected] 

Summary of Contents for Rapidox 1100ZR-H-OL

Page 1: ...nalyser Heller Specific Version Instruction Manual Revision 1 2 Cambridge Sensotec Limited Unit 29 Stephenson Road St Ives CAMBS PE27 3WJ Tel 44 0 1480 462142 Fax 44 0 1480 466032 Mobile 07866 624236 Sales Cambridge Sensotec co uk ...

Page 2: ...ril 2014 WEEE Regulations 2006 Cambridge Sensotec takes its responsibilities under the WEEE Regulations extremely seriously and has taken steps to be compliant in line with our corporate and social responsibilities In the UK Cambridge Sensotec has joined a registered compliance scheme WeeeCare WeeeCare registration number WEE MP3538PZ SCH UK users only If you have purchased any electronic or elect...

Page 3: ... Options 16 7 13 Pressure Mode 16 7 14 Setting the Baud Rate 17 7 15 RS232 RS485 Port 17 7 15 1 RS232 Protocol 17 7 15 2 RS485 protocol 19 7 16 Printing 19 7 17 Load Defaults 20 8 Rapidox Software Instructions 21 8 1 Software Installation 21 8 2 Getting Started 21 8 3 On Screen Help 22 8 4 Configuration Page 22 8 5 Reconfiguring the Analyser 23 8 5 1 Config 1 Screen 23 8 5 2 Config 2 Screen 25 8 5...

Page 4: ...lot Co ordinates 36 9 11 Last data point 36 9 12 Using the Cursor 37 9 13 Zooming 37 9 14 Y Axis Graph Units 37 9 15 Oxygen Scale 37 9 16 Second Y Axis 37 9 17 Loading an Old Run 38 9 18 Printing Graphs 38 9 19 Data Logging in the Background 38 9 20 Pausing the Data Logging 38 9 21 Changing the Data Logging Parameters Mid run 39 9 22 Working with Spreadsheets 39 9 23 Disaster Recovery 39 9 24 DDE ...

Page 5: ...rately by a regulated power supply incorporated in the instrument An internally mounted pressure sensor compensates for any fluctuations in pressure or vacuum caused by differing flow conditions The analyser is packed with features including programmable alarm circuits programmable analogue outputs easy calibration user selectable gases RS232 communications and complete communications data logging...

Page 6: ...grammable into minimum 5kΩ O2 pressure 4 20mA current loop user programmable into maximum 500Ω O2 high and low alarms Relay circuits fully user programmable All data and parameters RS232 or RS485 data streamed on demand Sample Pump Mains type vacuum pump variable flow with power switch on rear panel voltage input enable disable Flow Rate 0 1 5 L min 1 Max gas temperature on input 60 C Calibration ...

Page 7: ...s in this unit Do not attempt to repair yourself Refer all servicing to qualified Cambridge Sensotec personnel 6 Warning This unit is NOT designed for use in life support situations No responsibility can be held for injury or loss of life caused by inappropriate use of this equipment 7 Rapidox Operating Instructions Figure 1 Rapidox 1100ZR H OL front panel Numbers are referred to in the text Note ...

Page 8: ...erating Figure 3 Rear Panel Terminal Strip 1 Supply Valve In This connection requires a 12 24V connection from the oven to indicate when it is operation The analyser sample pump is disabled when there is no voltage signal present 7 2 The Rapidox Analyser Menu System All of the user programmable functions are accessed via a menu system which is controlled using the front panel Keypad 2 To access th...

Page 9: ...nutes to come up to temperature after which the Rapidox will begin to take measurements The progress of the sensor heater is shown in the form of a bar graph on the LCD 1 Once at temperature the LCD display will show the oxygen reading and the pressure The symbol AL1 or AL2 may appear to the bottom right of the LCD if the alarm system is enabled and an alarm condition applies Allow thirty minutes ...

Page 10: ...e analyser can be controlled using the menu option 9 Set Pump Flow The unit is supplied with the flow rate set to 100 which equates to approximately 1 2 Litres per minute If you wish to change the flow rate press ENT and select menu option 10 Use the UP DOWN arrows to change the value from OFF 100 in steps of 10 increments When using the unit with a pressurised flowing gas source the pump can be l...

Page 11: ... good accuracy The procedure is as follows 1 Bearing in mind the points made above decide which two or three gases you are going to use for calibration If you are constantly working at a particular range of compositions then it would be wise to obtain small cylinders of calibration gas with analysis certificates Cambridge Sensotec can supply these Press the ENT button on the front panel keypad 2 t...

Page 12: ... that the analyser should ideally be calibrated at normal ambient pressure If the pressure correction mode is set to AUTO then it is still possible to perform an accurate calibration at pressures other than ambient However above 25mbar gauge or below 25mbar gauge the display will flash and P will display to warn you that the pressure is either above or below the range recommended for accurate cali...

Page 13: ...e procedure takes approximately five seconds and the LCD display shows the progress of the operation Once finished the analyser will take a moment to re stabilise The sensor is cleaned each time the unit is switched on prior to operation If you are operating in gases with large amounts of soot there is a risk that the sensor surfaces will become contaminated with particulates which will impair per...

Page 14: ... UP DOWN arrows to change the digit and the RIGHT arrow to progress until the correct value is displayed When done press ENT to proceed to the next setting 6 CONTACTS The relay outputs can be set to either normally open N O or normally closed N C The factory default is N O meaning the contacts will close when an alarm condition occurs Press ENT to save all the above settings for the selected alarm...

Page 15: ...ing produces an output that is scaled linearly between 0 and 10V or 4 and 20mA So for example if the scale is set 0V 0 O2 and 10V 100 O2 then 5V would indicate an oxygen reading of 50 O2 The scaling of this example is shown in the following plot from which other intermediate values can also be read This setting is more suitable for medium to high ranges of oxygen or where the user wishes to monito...

Page 16: ...or 10 24 O2 The scaling of this example is shown in the blue line in following plot from which other intermediate values can also be read For comparison the red line shows the limitations of using the linear oxygen output mode over the same range Figure 5 Graph showing the logarithmic output mode option for oxygen blue compared with linear mode red The following general formulae can be used to cal...

Page 17: ...o be read Figure 6 Graph showing the raw sensor mV output mode option for oxygen The following general formulae can be used to calculate the oxygen sensor raw voltage O2mV from the voltage or current outputs when set to the raw sensor voltage output mode Output type Formula for calculating sensor mV from analogue output signal 0 10V O2mV Vout 10 O2mVH O2mVL O2mVL 4 20mA O2mV mAout 4 16 O2mVH O2mVL...

Page 18: ... the voltage 0 to 10V and current 4 to 20mA outputs are locked together so that these outputs cannot be set independently of each other In normal operation therefore 0V output always corresponds to 4mA and 10V always corresponds to 20mA output During initial warm up of the Rapidox when the display reads the serial number the output sent to the rear terminal for oxygen will stay at 2mA 1V which is ...

Page 19: ...r reading is over range Active n a 0 to 10V Normal operating output The pressure sensor is operating normally and readings are in range Active Table 4 Analogue output settings and alarm status for certain conditions Notes 1 The current outputs are active self powered outputs they are not loop powered 2 The voltage 0 to10V outputs produce non zero voltages during start up fault and over under range...

Page 20: ...ine display is switched off by default 7 13 Pressure Mode The user has the option of using the reading from the internal pressure sensor to automatically correct for changes in gas pressure and hence oxygen pressure A manual pressure correction value for ambient pressure conditions can also be entered to improve accuracy of the correction factory setting is 1013 mbar absolute To access this functi...

Page 21: ...rows to select either 9600 or 57 600 Press ENT button again to store and return to normal operation The default factory setting is 57 600 However if you are using an older PC you can decrease this to 9600 to improve the reliability of the software and data communications 7 15 RS232 RS485 Port It is possible to factory set the data communications port to either RS232 or RS485 Once configured at the...

Page 22: ...Rapidox The Rapidox replies with one of the following responses All valid responses end with CR LF where CR ASCII 13 and LF ASCII 10 Response Initialising CR LF Meaning Rapidox is still initialising Response Sensor heating CR LF Meaning Rapidox is still heating sensor to operating temperature Response Sensor cooling CR LF Meaning Rapidox is still cooling sensor to operating temperature This can ha...

Page 23: ...0 sensor state code 0 OK 1 O2 O Range 2 O2 U Range 3 O2 Fault 4 Press U Range 5 Press O Range 6 Press Fault CR ASCII 13 Carriage Return character LF ASCII 10 Line Feed character If no alarm conditions exist this data is empty so the response would look like d2 959E 05 1 426E 01 2 000E 00 23 19 40 14 01 00 0 CR LF These are binary codes so fault combinations produce other numbers Response Meaning D...

Page 24: ...tory settings by loading the unique default configuration that is supplied on your software memory stick The default set up can only be accessed using the software provided Please see section 9 23 for further details Alternatively you can reset to generic factory defaults directly from the front panel keypad Press ENT to enter the user setup menu and select menu option 10 Load Defaults and press E...

Page 25: ...nnecting devices to this operating system can be problematical at best Note that software is regionally aware and will therefore accept and display data using the decimal separator that is set in the PC s Regional Settings in the Control Panel For example in the UK or US you might enter the value 2 5 in continental Europe this would normally be entered as 2 5 assuming the PC s Regional Settings ha...

Page 26: ...p option or press F1 8 4 Configuration Page The configuration page is split into three and you can switch between them by clicking on the tabs labelled Config 1 Config 2 or Alarm Config Each page allows the user to reprogramme an array of variables used by the Rapidox Once written to the Rapidox the new variables remain permanent until overwritten To read the current configuration stored in your R...

Page 27: ... to be programmed into the Rapidox The values in these fields can either be entered manually or copied across from the read fields by clicking the vertical Copy button and then edited as required however greyed boxes under the Write buttons are not editable as they contain calibration data they can only be changed by copying data across from the Read fields Note that when you click on the copy but...

Page 28: ...ilable for the Rapidox 1100ZR H OL 8 Auxiliary Output Parameter Not available for the Rapidox 1100ZR H OL 9 LCD Refresh interval Use the drop down menu to select a refresh rate for the LCD min 0 1 max 1 5 sec The default is 0 3 seconds 10 LCD Second Line Option This option is not changeable in Heller versions of this Rapidox and is fixed to None See section 7 12 for a full description Use the drop...

Page 29: ...tely 10mV and a low ppm value e g 10ppm would be approximately 180mV 15 O2 Analogue Output 0V 4mA 10V 20mA Use these two boxes to set the High and Low oxygen values for the analogue outputs 6 on the rear panel For example if you want 4mA to represent 1 and 20mA to represent 21 then enter these two values into the appropriate boxes The value can be entered either in or ppm depending on the units se...

Page 30: ... or disables the alarms on the rear panel labelled Alarm High and Alarm Low Make sure these are enabled if you wish to use the signals from the alarm circuit 20 Audible Alarm This option enables or disables the audible buzzer fitted to the Rapidox internally When an alarm condition occurs the buzzer will emit a continuous noise to alert the operator 21 Visible Alarm This option enables or disables...

Page 31: ...he boxes on the left hand side confirming that the configuration was successful When you have finished programming the analyser for new calibration gases you must recalibrate the instrument to benefit from the changes 8 6 On Screen LCD It is possible to display an LCD emulator on the desktop of your PC This reproduces exactly the display on the Rapidox unit and is convenient if you are some distan...

Page 32: ...reading on the LCD stabilise This is extremely important to perform a successful and accurate calibration The software uses the three calibration gas values already stored in the Rapidox as a starting point These are typically High 20 95 Middle 0 1 and Low 0 001 as set in the factory but may be different if the user has recalibrated with other gas values in the past Either way you are given an opt...

Page 33: ... process by selecting the Middle and Low gases in the same manner 8 8 Calibration Error Messages During the calibration process described in 7 7 above it is possible to receive screen error messages as described here 1 Bad Sensor Reading The Rapidox software makes a prediction of the expected sensor mV for each calibration gas value entered If the mV signal coming from the sensor is out of the exp...

Page 34: ...cated on the main file menu as shown below Figure 17 Software Utilities Menu 8 9 1 Setting Analyser Date and Time The current date and time of your PC are displayed on the configuration screen and can be loaded into the Rapidox by selecting the Utilities menu and clicking the Set date and time option This information is used in the RS232 data string for data logging purposes Make sure that your PC...

Page 35: ...ple of a diagnostics file name and the storage location 8 9 3 Show Hide LCD Use these options to display or hide the on screen LCD display as shown in Figure 11 The software remembers your last instruction each time the program is re started 8 9 4 Image Grabber This is a simple function to allow the user to copy the software screens into the Windows clipboard This is useful for diagnosing problems...

Page 36: ...facility is also included which has many powerful features Note that the data logging facility will only function if the analyser is in NORMAL run mode 9 2 Auto Logging Feature A special feature of this software is an Auto Log option which can be selected from the tab labelled Data logging If this option is selected then the next time the software is started the data logger will begin automaticall...

Page 37: ...down menu A small text box appears in which you can type a text message This note is then saved as a header in the data file set and can be viewed along with the data You can either choose to have data logged continuously until Stop is selected from the Data Logger menu or you can choose to set a time limit for data logging by checking the box labelled Time Limit setting the duration in the Run Fo...

Page 38: ...errupts The data file is stored with a date suffix in brackets in yy mm dd format This feature ensures that data is saved periodically in sensible sized files This will prevent the computer from crashing and will also ensure that the data is small enough to fit into an Excel spreadsheet As an example the user wishes to run the data logger for seven days recording every minute starting at lunchtime...

Page 39: ...n progress You can select Run and Stop from the Data Logger menu to begin and end data logging and the window can be minimised to and restored from the task bar while logging data To close the window and return to the main data logging page select Close Plot from the File menu or click on the close window button The features of the graph window are described below Figure 21 Live time graphing scre...

Page 40: ...it mode The text can then be modified Similarly to change the title of the graph place the mouse pointer over the title and click once to edit If you choose not to enter a title the graph will display the path and filename of the run as the new title once the run has finished Note that these changes are only temporary and will be overwritten by the defaults if a new run is started or the graph win...

Page 41: ...aph window will change to Zoom box co ordinates and an extra set of co ordinates labelled X2 and Y2 will appear showing the co ordinates in X and Y units of the second corner of the zoom rectangle as you drag the mouse pointer The plot will zoom and auto scale when you release the mouse button This can be repeated if you wish to zoom in even further To zoom back to the original size select Zoom Fu...

Page 42: ...obtain a full size print out 9 19 Data Logging in the Background It is possible to begin data logging and then minimise the windows to continue working with another application To minimise the graph simply click on the minimise button on the blue title bar at the top of the window You can then use the ALT TAB keys to take you to other programmes already running To return to the graph simply maximi...

Page 43: ...le extension as the initial programme default However when entering the file name you can instead select a csv extension the programme will register the last used file extension as the new default The csv extension is recognised by MS Excel so that opening the file will automatically run MS Excel and this may be of benefit if your regional decimal separator is period rather than comma However if y...

Page 44: ...t to 1 when not measuring see Error state for reason 4 to indicate sensor fault and 5 to indicate under range error Current O2 Level in RAPIDOX Main lbl_PCNT_O2 Set to 1 when not measuring see Error state for reason 4 to indicate sensor fault and 5 to indicate under range error Error state indication Error ID Description Error ID 5 O2 Range Error 4 Sensor Fault 3 No available com ports 2 Communica...

Page 45: ...ox gives strange readings that are way off the expected values A Check to make sure which calibration gases are selected Are they the same as the actual gases you used to perform the calibration If not you must recalibrate the analyser or re load the factory defaults to get you going again Q The sensor does not read 20 9 21 0 in air actual value is 20 95 A If the room air is very humid it will sli...

Page 46: ...ser but will be good enough to get you started again 10 1 Warranty The Rapidox analyser has been carefully tested and inspected before shipment and is guaranteed to be free from defective materials and workmanship for a period of twelve months from date of purchase The sensor head is replaceable and has a life expectancy in excess of 17 500 hours However if the analysis gas contains corrosive gase...

Page 47: ...be returned to the Seller s premises at the Purchaser s expense if so requested by the Seller d Any repaired or replaced goods shall be redelivered by the Seller free of charge to the original point of delivery but otherwise in accordance with and subject to these Conditions of Sale e Alternatively the Seller shall be entitled at its absolute discretion to refund the price of the defective goods i...

Page 48: ...O2 1 020E 03ppm O2 9 120E 00ppm O2 ENT ENT ENT 2 095E 05ppm O2 O2 calibrated 1 030E 03ppm O2 O2 calibrated 1 000E 01ppm O2 O2 calibrated Displays message for 1 5 seconds 2 Clean Sensor prompts 1 Clean Sensor prompts 4 Cleaning Sensor ENT Edit O2 High Edit O2 Medium Edit O2 Low Cleaning Sensor Sensor cleaned Displays message for 1 5 seconds ESC Back to Menu List No changes ENT 3 Set Alarms Prompts ...

Page 49: ... message for 1 5 seconds Pressure bar prompts 6 Line 2 Options prompts 2 Refresh Interval prompts 2 L2 Pressure prompts 5 Interval 0 3 s prompts 5 L2 Pressure Line 2 set Interval 0 3 s LCD refresh set ENT Displays message for 1 5 seconds Continued from page 1 ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT Displays message for 1 5 seconds Edit Ambient pressure Mode None prompts 5 ENT Mode Auto...

Page 50: ... ENT Back to Menu List Changes Applied Continued from page 2 Prompts 1 Prompts 2 Prompts 3 Prompts 4 Prompts 6 ENT OK ESC Back Prompts 5 Change ENT Next ESC Back Change ENT OK ESC Back Change Select Char ENT OK ESC Back Scroll Menu ENT Next ESC Back Scroll Menu ENT Next ESC Exit ESC Back to Menu List No changes 10 Load Defaults prompts 1 Load Defaults prompts 4 Defaults Loaded ENT Displays message...

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