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1. Enable all analog output channels which are attached to active inputs For each input channel that has been enabled using the PS command enable the corresponding analog output channel Information Request Syntax lt Esc gt AE lt CRLF gt Response AE ENABLED DISABLED Command Parameters Syntax lt Esc gt AE status lt CRLF gt Range ENABLE Enable the analog outputs for all active inputs DISABLE Disable all analog outputs Examples lt Esc gt AE ENABLE lt CRLF gt lt Esc gt AE E lt CRLF gt lt Esc gt AE Disable lt CRLF gt lt Esc gt AE D lt CRLF gt FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com AO FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands Analog Output Offset Set the temperature offset minimum reported temperature for analog output voltage Along with the Analog Scaling Factor AS command the AO command sets the parameters for the analog output voltage range The native range for analog output channels is 0 00 to 10 00V The analog temperature offset is expressed in degrees using the specified system units By adjusting the temperature offset it is possible to set the floor of the analog output range i e the temperature corresponding to 0 00V output Vout AS 1000 Treasured 7 AO Where2. A rtisan tisan Technology Group is your source for quality Tecmoboycrow new and certified used pre owned equipment FAST SHIPPING AND SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT DELIVERY Experienced engineers and technicians on staff Sell your excess underutilized and idle used equipment TENS OF THOUSANDS OF at our full service in house repair center We also offer credit for buy backs and trade ins IN STOCK ITEMS www artisantg com WeBuyEquipment EQUIPMENT DEMOS HUNDREDS OF Instra REMOTE INSPECTION LOOKING FOR MORE INFORMATION MANUFACTURERS Remotely inspect equipment before purchasing with Visit us on the web at www artisantg com 7 for more our interactive website at www instraview com 7 information on price quotations drivers technical LEASING MONTHLY specifications manuals and documentation RENTALS ITAR CERTIFIED naia ala aed Contact us 388 88 SOURCE sales artisantg com www artisantg com LUXTRON FOT Lab Kit Fluoroptic Thermometer User s Manual For firmware version 2 80 and higher Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Confidential Information The material contained herein consists of information that is the property of LUXTRON Corporation and intended solely for use by the purchaser of the equipment described in this manual All specifications are subject to change without notice Changes are made periodically t
3. Standard Mode In Standard mode temperatures are reported periodically based upon the interval set using the MU command Remote Control Mode In Remote Control mode temperatures are reported only when the PC host requests them User Interface Commands 4 26 Standby Mode In Standby mode sampling and temperature reporting are disabled and the device simply waits for additional commands from the PC host Calibration Mode In Calibration mode sampling and temperature calculation are still active but the temperatures rather than being reported are used to calculate new calibration factors Of the one letter codes described below some are valid only in certain operational modes or have different functionality in different modes For this reason the sequence in which these commands are entered is significant Please read the command descriptions carefully to obtain optimal results and avoid confusion Example of a typical Remote Control mode session Place device into Standby mode using CTRL T Place device into Remote Control mode using CTRL E Send the Run command CTRL R Send the Initiate Measurement command CTRL I Wait for CTRL I to be echoed m Send the Report Measurement command CTRL Q The report will be transmitted Repeat steps 4 and 5 as desired m Return to from Remote Control mode to Standard mode using CTRL D m Re enable periodic temperature reporting using CTRL R FOT Lab Kit User s Manual Artisan
4. 7 for more our interactive website at www instraview com 7 information on price quotations drivers technical LEASING MONTHLY specifications manuals and documentation RENTALS ITAR CERTIFIED naia ala aed Contact us 388 88 SOURCE sales artisantg com www artisantg com
5. 81 2 2 66 96 3 5 10 4 3 24 Parameter Modification n a FOT Lab Kit User s Manual 4 17 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands SM 4 18 Samples per Measurement The SM command is used to specify the number of ADC samples that will be averaged to create each measurement reported Fewer samples mean faster response more samples mean greater stability The FOT Lab Kit s internal timing is based upon a fixed 4Hz sampling rate The number of samples per second per channel is Hz divided by the number of active channels The Samples per Measurement command specifies the number of samples retained per channel which are then averaged to generate the temperature report To put it another way the specified number of samples will be averaged and used to create the temperature value to be reported NOTE Please note also tbat tbe measurement update rate MU command bas an impact upon averaging in tbat it determines tbe degree to wbicb averaging occurs across measurements Examples In the first example only one input channel is active so all samples taken are for that channel Each report except the first will include 8 samples In the second example four channels are active so the samples taken are distributed evenly among the active channels Each report except the first will then include 2 samples per channel FOT Lab Kit User s Man
6. AO AnalogOffset Minimum analog output voltage corresponding to minimum reported temperature AS Analog Scaling Factor mV deg see AS command page 4 8 Vout Analog output voltage Tmeasured Temperature measured at input The default temperature offset value is equivalent to the minimum temperature supported by the device See examples in description of AS command page 4 8 Information Request Syntax lt Esc gt AO lt CRLF gt Response AO offset in degrees Example AO 30 C Command Parameters Syntax lt Esc gt AO offset lt CRLF gt Range This value is not range checked Use care in selection of parameter value 4 7 User Interface Commands AS Analog Output Scaling Set the scaling factor for analog output voltage Along with the Analog Offset AO command the AS command sets the parameters for the analog output voltage range The native range for analog output channels is 0 00 to 10 00V The scaling factor is expressed in millivolts per degree By adjusting the scaling factor it is possible to adjust the working range of the analog outputs as they apply to the input temperature range Vout AS 1000 T measured bi AO Where AO AnalogOffset Minimum analog output voltage corresponding to min reported temperature see AO command page 4 7 AS Analog Scaling Factor in millivolt per degree mV deg Vout Analog output voltage Tmeasured Temperature measured at input The
7. Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com System Operation 3 6 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 4 User Interface Commands The primary user interface with the FOT Lab Kit is through a standard RS 232 serial interface The host may be a standard terminal emulation application software such as HyperTerminal or a custom device control program communicating through the RS 232 interface LUXTRON also offers a Windows based graphing and data acquisition program for PCs called TrueTemp The instrument communicates at 9 600 bits per second The bit protocol is 8 data bits one stop bit and no parity 8 N 1 The instrument does not use a handshaking protocol The details of the communication protocol are defined in this chapter and Chapter 5 Temperature Data Reporting User interface commands fall into two general categories 1 Parameter Commands Two letter command codes with required or optional arguments 2 Action Commands One letter character command codes consisting of the Control key plus one letter key For a summary of the Parameter Commands see Table 4 1 on page 4 5 For a summary of the Action Commands see Table 4 2 on page 4 5 FOT Lab Kit User s Manual 4 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisant
8. Procedure for additional details Information Request Syntax Esc CT lt CRLF gt Response CT caltemp Example CT 37 00 C Parameter Modification Syntax CT caltemp lt CRLF gt Range caltemp New calibration reference temperature The new reference temperature is specified in degrees and hundredths of a degree within the working range of the device Temperature units are assumed to be the units previously set using the UN command Value input is in nn nn format Do not include the units If the reference temperature entered is of an ambiguous format e g 40 or 40 1 the system will correctly interpret the input as 40 00 and 40 10 respectively It is recommended however that values be entered in the standard format Example lt Esc gt CT 95 50 lt CRLF gt Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands DF 4 12 Data Format The DF command sets the serial interface temperature output format either full or abbreviated The format selected depends upon the use to which the captured data will be put For visual clarity the abbreviated format is recommended for most circumstances Information Request Syntax ESC DF lt CRLF gt Response DF format Returns the current data reporting format Parameter Modification Syntax DR format lt CRLF gt Range FULL FULL Output is formatted for all channe
9. Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com CTRL A CTRL D CTRL E FOT Lab kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands Abort Calibration Sequence in Progress When a calibration sequence has been initiated using the CTRL K command the device will begin taking data from which to calculate the new calibration factors The length of a calibration period is typically anywhere from 5 to 40 seconds If the input data are invalid or cannot be properly integrated into the calibration algorithm the instrument will automatically abort the sequence after one minute You may also abort the calibration sequence at any time using the CTRL A command If a calibration sequence is successfully aborted the CTRL A character will be echoed back to the host else there is no response NOTE If tbe calibration sequence is aborted tbe previous calibration factors are not restored and tbe system will be left in an indeterminate state You must tben perform a successful calibration before using tbe device to capture calibrated temperature data You may still operate the device in uncalibrated mode CC DISABLE command Exit Remote Control Mode This command is valid ONLY when the device is in Remote Control mode CTRL E command Disable the Remote Control mode of temperature reporting and return to St
10. es 4 19 Biomedical Lab Kit User s Manual iii Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Figures iv Biomedical Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Tables Table 1 1 Table 2 1 Table 3 1 Table 4 1 Table 4 2 FOT Lab Kit Fluoroptic Thermometer Users Manual FOT Lab Kit Performance Specifications 1 6 Standard Accessories for Use with FOT Lab Kit 2 4 List of Correct Lookup Tables for Various Probe Types 3 3 Summary Listing of Parameter Commands 0 aaa 4 5 Summary Listing of Action Commands issssseesss 4 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Tables vi FOT Lab Kit Fluoroptic Thermometer Users Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Preface This document describes the FOT Lab Kit Fluoroptic thermometer and is organized into the following sections FOT Lab Kit User s Manual Chapter 1 Introduction provides an overview of the LUXTRON FOT Lab Kit and Luxtron s Fluoroptic technology Chapter 2 System Components describes the various parts and components that make up a complete Fluoroptic thermometry system Chapter 3 System Operation provides general instr
11. i e press Enter key immediately after the Equal sign Esc DS lt CR gt Example Sign On Message LUXTRON CORP Copyright 2002 M600 Fluoroptic Thermometer Software Version 1 00 Serial 12345 XYZ Corp Model SuperPro 5000 4 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands ID 4 14 Identification Query The ID command is used to report the device s identification string firmware version device serial number and current operating parameters In essence this command combines the information requests of most other system commands into an inclusive report The DS and SN command data are incorporated into the header information The SL command values being dynamic are not included in the report Information Request Syntax lt Esc gt ID lt CRLF gt Response ID info Example LUXTRON CORP Copyright 2002 M600 Fluoroptic Thermometer Software Version 1 00 Serial 12345 XYZ Corp Model SuperPro 5000 PS 1 2 3 4 SM 8 MU 1 S UN CELSIUS DF ABBR AE ENABLE AS 27 7778 AO 30 00 C CC ENABLE CT 75 00 C MS DISABLE ST ENABLE Please refer to the descriptions of the individual commands related to the reported parameters for details on interpreting the information Parameter Modification n a FOT Lab Kit User s Manual Artisan Techn
12. in Chapter 4 E NOTE Keep tbe protective black vinyl caps on tbe unused instrument probe ports This prevents ambient light from entering the system which could adversely affect tbe accuracy of temperature measurements from tbe remaining active probe s Probe Table The FOT Lab Kit is designed to work with many different probe Settings types There are four standard industrial probes shown earlier in Table 2 1 on page 2 4 and some specific industry probes for example medical and power transformer probes To guarantee system operation within specifications the FOT Lab Kit must be configured to operate with your specific probe type This is done by selecting the correct lookup table See Table 3 1 below to lookup the correct calibration table for your probe type Table 3 1 List of Correct Lookup Tables for Various Probe Types Probe Type Description Look Up Table STF Fast Response Immersion Probe T1 STR Non contact Remote Sensing Kit T1 WTS Power Transformer Winding Hot Spot Probe T1 STS Surface Contact Probe T2 STB Medical 0 5mm Diameter Probe T2 MRC Medical Core Temperature T2 MRR Medical Skin and Core Temperature T2 MRS Medical Skin Temperature T2 STM General Purpose Immersion Probe T3 The FOT Lab Kit s default lookup table is T1 A simple command is used to change the lookup table For example to change the instrument to operate with table T2 the user sends the following command lt ESC gt T2 Fur
13. the message SN Undefined will be returned Parameter Modification n a 4 20 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands ST Startup Mode The ST command is used to select the startup mode indicating to the device whether to power up into Standard mode or into Standby mode In Standard mode the input circuits are enabled and the device begins reporting temperatures as soon as data are ready In Standby mode the input circuits are idle i e samples are not being taken and no data reports will be generated In this mode the user must explicitly enter Standard mode using the CTRL R command to enable data sampling and reporting NOTE Do not issue the CTRL R command for at least 30 seconds after power up which will allow the device time to complete its startup sequence See also the descriptions of the CTRL T and CTRL R commands Information Request Syntax lt ESC gt ST lt CRLF gt Response ST mode Examples ST ENABLE Temperature reporting starts automatically ST DISABLE Reporting must be started manually ST E Same as ST Enable Parameter Modification Syntax lt ESC gt ST mode Range ENABLE Begin reporting temperatures on power up DISABLE On startup wait for user to enable temperature reports FOT Lab Kit User s Manual 4 2 Artisan Technology Group Quality Instrumentation Guarantee
14. to Enable or Disable application of the Calibration Correction Factors Each installed temperature input channel has associated calibration factors which are applied to the measured temperature before it is reported These factors are set to typical values at the factory but must be fine tuned as needed to compensate for differences in probe type probe length and signal attenuation factors such as positioning and optical fiber bend radius inherent in your particular installation Please refer to Appendix A Calibration Procedure for additional details Information Request Command Syntax Esc CC lt CRLF gt Response Syntax CC info ENABLE Application of the Calibration Correction Factors is enabled DISABLE Application of the Calibration Correction Factors is disabled Parameter Modification Syntax Esc CC status lt CRLF gt Range ENABLE default Enables application of Calibration Correction Factors DISABLE Disables application of Calibration Correction Factors Example Esc CC ENABLE lt CRLF gt Esc CC E lt CRLF gt FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com CT FOT Lab Kit User s Manual User Interface Commands Calibration Temperature The CT command is used to set the calibration reference temperature used during the automatic calibration correction procedure Please refer to Appendix A Calibration
15. with varying optical properties depending upon the type of optical fibers lenses and filters used The bend radius of the optical fiber connecting the probe to the device Optical fiber is rated for a minimum bend radius see probe documentation Within its specified working range the actual bend radius of the fiber can affect signal attenuation Proximity of the probe tip to the temperature source immersion is strongly recommended The degree to which the temperature source liquid air etc is of a homogeneous temperature Ambient temperature surrounding the device The FOT Lab Kit is nearly impervious to changes in ambient temperature within its working ambient range but care should be used when working at or near the limits of this range A 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Automatic Calibration Correction A 2 The FOT Lab Kit provides a set of calibration correction factors for each input channel physically installed in the device These factors are set to a nominal value at the factory before shipment to the customer The items listed above however may affect the calibration of a device within its specific working environment For this reason the user must adjust these calibration factors as needed during the installation procedure to ensure accurate temperature measurements The calibration procedure is semi automatic and should be straightforwar
16. OT system consists of an instrument and probe Optional accessories include fiber optic extension cables vacuum feedthroughs and PC acquisition and graphing software see Figure 1 2 Figure 1 2 Fluoroptic Thermometry System Includes an Instrument Probes and Optional Accessories Fiber Optic Extension Cable optional Fluoroptic Sensor Luxtron Fluoroptic Probe Instrument The FOT Lab Kit Instrument is a four channel system that includes 0 to 10V analog outputs for each channel as well as an RS 232 interface Probes Luxtron offers standard fiber optic probes for use with the FOT Lab Kit The probes are designed to suite a variety of applications Some are designed to measure the bulk temperature of an object immersion probes while other are designed to measure the surface temperature of an object surface and non contact probes These probes are available in standard lengths of 2 5 and 10 meters see Figure 2 1 on page 2 2 for details LUXTRON specializes in developing custom probes to meet the unique circumstances of OEM applications Non metallic and electrically non conductive the Fluoroptic probes are immune to EMI and high voltages that adversely affect conventional sensors FOT Lab Kit User s Manual 1 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Introduction such as thermocouples RTDs and thermistors Call a LUXTRON applications engineer
17. al error probably caused by one of the following a Measured temperature differs from specified calibration temperature by more than eight 8 degrees b The calibration coefficient required is greater that 5096 of the measured temperature Example A Success on all channels 1 C 348 15 K 2 C 348 15 K 3iC 348 15 K 4 C 348 15 K Example B Unstable on channel 1 and general error on channel 2 1 U 348 15 K 2 E 348 15 K 3 C 348 15 K 4 C 348 15 K NOTE Ifa calibration error E occurs on any input channel that input will be disabled to prevent tbe uncalibrated readings tbat would be reported for that channel from being interpreted as calibrated data To attempt recalibration it will be necessary to re enable the failed input s For example if Channel 2 is reported to have an error as shown in Example B above then Channel 2 will be disabled The user must disable calibration CC D and reselect Channel 2 and any other desired channels to be active PS 1 2 3 4 Note that the m600 will again operate in uncalibrated mode You may then re enable the desired channels see PS command page 4 16 and restart the calibration sequence Analog Temperature Output Calibration The FOT Lab Kit includes a 0 10V analog output for each installed input Because the output voltage is tied directly to the digital temperature value it is unnecessary to calibrate the analog outputs The analog outputs may be scaled for the temperature range and v
18. andard Mode If command is successfully executed the CTRL D character will be echoed back to the host else a question mark will be returned Enable Remote Control Mode This command is valid ONLY when the device is in Standby mode CTRL T command Exit Standby mode and enable Remote Control mode temperature reporting In Remote Control mode temperature reports are created and transmitted only when the PC host requests them If command is successfully executed the CTRL E character will be echoed back to the host else a question mark will be returned User Interface Commands CTRL F CTRL I CTRL K 4 28 Flush the Measurement Buffer Discard any data currently stored in the measurement buffer Use this command when you want to discard old data to prevent it from affecting new data For example you may have just installed a new probe and want to discard any garbage data still in the input buffer Old data will of course cycle out on its own but may take several seconds depending upon the combination of system parameters you have selected This command simply speeds up that process The CTRL F character will be echoed back to the host Create a Data Report This command is valid ONLY when the device is in Remote Control mode CTRL E command The CTRL I command initiates data sampling and the creation of one temperature report When the report is ready the device will echo the CTRL I character You may then request t
19. annual service to provide calibration of instruments extensions and probes for customers who require a Certificate of Calibration with calibration temperatures traceable to the National Institute of Standards and Technology NIST temperature standards Luxtron can perform standard calibrations from 25 C to 295 C higher and lower temperatures are also available Please refer to our Calibration page at www luxtron com calibration for more information on this service Each fiber optic channel of the FOT instrument can be calibrated at a different temperature if required for applications where the user is measuring locations with distinctly different temperature ranges A two temperature range example application is if one needed to measure water temperature from 10 C to 60 C and an oil system from 100 C to 200 C In this application the user may want to calibrate channel 1 at 35 C for the water temperature measurement and calibrate channel 2 at 150 C for the oil temperature measurement This multi temperature calibration can be performed for all channels on the instrument Instructions are outlined below Calibration Instructions One Temperature Calibration FOT Lab Kit User s Manual For calibration the instrument must be connected through a computer with HyperTerminal or Luxtron s TrueTemp software All commands are for terminal software l Connect the extensions and probes to the appropriate channels 2 Inse
20. aranteed 888 88 SOURCE www artisantg com System Components Standard Options and Accessories LUXTRON offers standard accessories for use with the FOT Lab Kit The most common accessory is a fiber optic extension cable The extension allows flexible mounting or locating of the instrument with respect to the target being measured Standard extension cables are available in 2 5 and 10 meter lengths Other accessories include vacuum fittings and PC data acquisition and graphing software standard accessories See Table 2 1 below for a description of Table 2 1 Standard Accessories for Use with FOT Lab Kit SST Extension 00 13743 XX ST Connector Strain Relief Application General purpose fiber optic 3 0mm Cable OD extension cable pi Connector ST both ends HST Extension 00 13744 XX ST Connector Strain Relief Application Heavy duty fiber optic 5 0 mm Cable OD A extension cable co Toft Connector ST both ends I Compression Gland Feedthrough 90 1462 Temp Range 20 to 230 C 127m Maximum Vacuum Pressure 5e10 6 Torr lt 05inh i i Hipo px mr Maximum Pressure 3 000 psi Probe Sealant Compatible with STM STF and STR probes 3cm 1 3 16 in TrueTemp PC Data Acquisition and 00 12790 01 vp Graphing Software Truetemp v a EN pa
21. artisantg com Several commands which perform a simple function without the need of parameter data from the user are implemented as single character commands These commands consist of holding down the Control key CTRL and pressing one additional key See the Summary of Commands below These commands are used to enable or disable an operation initiate or terminate an event etc If the command is successfully received and executed the character is echoed back NOTE Many of these characters will not print through a terminal emulation application or may print as semi grapbic or garbage cbaracters so it is sometimes difficult to determine wbetber tbe device has responded properly simply by looking This of course is not a problem when the device is under the control of a custom control program since in that case the character is not displayed but is simply recognized as just another number The FOT Lab Kit user interface includes eleven 11 one letter Action Commands that instruct the instrument to perform a function or switch mode Conceptually there are four modes defined for the FOT Lab Kit device A summary listing of these commands in Table 4 2 on page 4 5 The FOT Lab Kit has four different operation modes The Active Commands are used to switch from one mode to another or to initiate specific events while the FOT Lab Kit is in a particular operational mode The four modes are Standard Remote control Stand by and Calibration
22. aterial Authorization Number RMA will be issued Upon receipt of the RMA number the instrument should be returned transportation prepaid Shipments to LUXTRON for Repair Shipping Address All shipments of LUXTRON instruments should be made prepaid and insured via United Parcel Service or Best Way For overseas customers units should be shipped air freight priority one The instrument must be shipped in the original packing container or its equivalent LUXTRON is not responsible for freight damage to instruments that are improperly packed B 2 Luxtron Corporation 3033 Scott Blvd Santa Clara CA 95054 3316 USAN Telephone 408 727 1600 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A rtisan tisan Technology Group is your source for quality Tecmoboycrow new and certified used pre owned equipment FAST SHIPPING AND SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT DELIVERY Experienced engineers and technicians on staff Sell your excess underutilized and idle used equipment TENS OF THOUSANDS OF at our full service in house repair center We also offer credit for buy backs and trade ins IN STOCK ITEMS www artisantg com WeBuyEquipment EQUIPMENT DEMOS HUNDREDS OF Instra REMOTE INSPECTION LOOKING FOR MORE INFORMATION MANUFACTURERS Remotely inspect equipment before purchasing with Visit us on the web at www artisantg com
23. ates with the user The instrument communicates at 9 600 bits per second sometimes erroneously referred to as 9 600 Baud The bit protocol is 8 data bits one stop bit and no parity 8 N 1 The instrument does not use a handshaking protocol Basic temperature calibration is performed at the factory however to achieve the highest level of accuracy it will be necessary to perform a simple calibration to adjust for the type and positioning of the temperature probe used Please refer to Appendix A Calibration Procedure for details on performing this calibration FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Temperature Measurement Range v Probes Operational Note FOT Lab Kit User s Manual System Operation The range of temperatures that may be measured by the FOT Lab Kit is limited by the type of probe used Under no circumstances should the maximum temperature rating of a probe be exceeded Check documentation of your probe or with a LUXTRON Applications Engineer to determine the specified temperature limits of your Fluoroptic probe WARNING Exceeding tbe maximum temperature rating of tbe probe may destroy tbe probe LUXTRON s Fluoroptic technology uses fiber optic probes incorporating patented phosphor compounds encapsulated at the sensing end of the probe These probes are immune to EMI and radio frequency noise are much
24. atic chucks etch and deposition chambers Rapid Thermal Process chambers m Industrial applications RF and microwave drying and harsh chemistries m Utility equipment Transformer windings and high voltage transmission lines FOT Lab Kit User s Manual 1 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Introduction FOT Lab Kit Contents The FOT Lab Kit includes a four channel Fluoroptic thermometry instrument shielded in a rugged steel enclosure a universal power supply an RS 232 cable and a user s manual all within a compact carrying case Figure 1 1 FOT Lab Kit Instrument The FOT Lab Kit Instrument uses an RS 232 serial interface for command input and data output The unit communicates at 9 600 bps using an 8 N 1 data format In addition it includes a 0 10 volt analog output for each measurement channel The user interface may be accessed through standard terminal emulation software e g HyperTerminal ProComm Plus etc through a customer supplied control application or through LUXTRON s Windows based TrueTemp software Compatible with Windows 95 98 Windows NT or higher the TrueTemp software offers full featured data acquisition graphing and analysis FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Introduction System Overview A complete F
25. ch pair of arguments FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com FOT Lab Kit User s Manual User Interface Commands Informational output data is always terminated by a carriage return line feed pair CRLF Example Response AA INFO Information Request Character Hexidecimal A 41h A 41h Space 20h 3Dh Space 20h I m N 2 F sg O i Carriage Return ODh Line Feed OAh If the command is unrecognized or the command syntax is incorrect the system responds with the request as typed with the addition of a question mark followed by a CRLF pair The system responds to the information request as described although certain exceptions exist e g multi line responses Refer to the descriptions of the individual commands for additional details 4 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands Parameter Modification 4 4 This command format consists of the Escape character followed by a two letter command followed by an equal sign and the new parameter value s and ending with a carriage return line feed These commands provide the mechanism for modification of setup parameters or for initiation of an event or sequence of events Example Command lt Esc gt AA E lt CRLF gt Information Req
26. channel 1 but channel 2 was successful C 1 E 100 00F 2 C 100 00F This indicates there was an error on channel 1 but channel 2 was successful The error is due to the following two issues i Measured temperature differs from specified calibration temperature by more than eight degrees ii The calibration coefficient required is greater than 50 of the measured temperature FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Multi Temperature Calibration FOT Lab Kit User s Manual After an E error the FOT instrument will disable the channel with the error To re enable the channel the user needs to disable the calibration with the command CC D and then reselect the disabled channel and restart the calibration 11 Ifall four channels are reading correctly then save the setting with the following command lt ESC gt SV ENTER If required each channel of the instrument can be calibrated at a different temperature to achieve the highest accuracy over separate temperature ranges The instructions below show how to calibrate a four channel instrument with Channels 1 and 2 calibrated at 60 C and Channels 3 and 4 calibrated at 100 C l Connect the extensions and probes to the appropriate channels 2 Insert the probe or probes into the stable temperature bath verified by a reliable independent temperature measurement device 3 Connect t
27. d 888 88 SOURCE www artisantg com User Interface Commands SV 4 22 Save The SV command is used to copy the currently active user parameter values and input channel calibration factors to non volatile NvRam storage for use in subsequent sessions When user parameters are changed or when the instrument is calibrated the resulting values are active only for the current session i e until the instrument is reset using the CTRL X command or until the instrument is powered down This allows you to experiment with different parameter combinations without affecting the stored parameters If you wish to save the new calibration factors and user parameters for subsequent sessions you must explicitly save them using the SV command Information Request n a Parameter Modification Syntax lt Esc gt SV lt CRLF gt Response none FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands TU Table Selection The TU query reports the currently selected tau to temperature lookup table The FOT Lab Kit includes three such tables for use with different probe types Information Request Syntax lt ESC gt TU lt CRLF gt Response Using Table 1 Parameter Modification Syntax lt ESC gt T1 lt CRLF gt Response Set T1 Syntax lt ESC gt T2 lt CRLF gt Response Set T2 Syntax lt ESC gt T3 lt CRLF gt Response S
28. d and nearly foolproof if the instructions are followed carefully Please refer also to the descriptions of the CTRL K Kalibrate CC Calibration Correction and CT Calibration Temperature commands in Chapter 4 User Interface Commands Calibration of the device should be verified on a regular schedule If you are unable to successfully calibrate the device please contact LUXTRON Technical Support Automatic calibration correction for each channel is invoked using the CTRL K command When invoked this functionality captures several seconds of data samples and compares the average of these samples to the calibration reference temperature please refer to the description of the CT command page 4 11 Calibration Options 1 Self Calibration If the user has a stable temperature bath i e ice water for 0 C they can calibrate the instrument themselves using the instructions below NOTE For best performance tbe user sbould calibrate witb a stable temperature batb at tbe midpoint of tbe measurement range For example if tbe user s temperature range is 100 C to 150 C tbe ideal calibration point would require a stable temperature batb at 125 C to calibrate tbe FOT instrument to acbieve tbe best accuracy possible FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Multi temperature Calibration 2 Luxtron Calibration Luxtron offers an initial and
29. default scaling factor value is based upon the temperature range supported by the device Example using standard configuration defaults Minimum Input Maximum Input VOutput Scaling Temperature Minimum Maximum Output Temperature Temperature Factor Offset Output Voltage Output Voltage Voltage Range 30 C 330 C 27 7778mV C 30 C OV 10 0V 10 0V Information Request Syntax lt Esc gt AS lt CRLF gt Response AS scaling factor in mV degree Example AS 27 7778 Parameter Modification Syntax lt Esc gt AS factor lt CRLF gt Range This value is not range checked Use care in selection of parameter value 4 8 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands Example using a temperature range of 0 00 C to 200 C Minimum Input Maximum Input VOutput Temperature Minimum Maximum Output Voltage Temperature Temperature Scaling Factor Offset Output Voltage Output Voltage Range 0 C 200 C 50 mV C 0 C OV 10 0V 10 0V OV 50mV C 1V 1000mV 0 C 0 C 5V 50mV C 1V 1000mV 100 C 0 C 10V 50mV C 1V 1000mV 200 C 0 C FOT Lab kit User s Manual 4 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands CC 4 10 Calibration Correction The CC command is used
30. et T3 FOT Lab Kit User s Manual 4 23 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands UN 4 24 Unit of Measure The UN command is used to report or select the serial interface data output units Three units are currently supported Kelvin Celsius and Fahrenheit The analog outputs are mapped directly from the serial output units NOTE For legacy reasons it is important to select tbe output units first before adjusting any otber system parameters Units sbould not be changed after other parameters are set or after calibration bas been performed If you cbange units tbe device will need to be recalibrated Information Request Syntax Esc UN lt CRLF gt Response UN units Reports the current units data type being transmitted through the user interface CELSIUS Temperature in degrees Celsius KELVIN Temperature in degrees Kelvin FAHRENHEIT Temperature in degrees Fahrenheit Parameter Modification Syntax lt Esc gt UN units Range CELSIUS KELVIN FAHRENHEIT Examples Esc UN KELVIN lt Esc gt UN K FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands Action Commands One Letter Modes of Operation FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www
31. g and The FOT Lab Kit includes various cables and accessories for Installing the connection Follow the steps below and refer to Figure 3 1 to setup System the system for operation a Connect the 9 pin male D sub connector to the RS 232 port e f on the instrument Connect the RS 232 female connector to your computer s serial COM port Connect the power supply s DIN connector to instrument s power inlet Remove the black dust cap s from the instrument s ST optical connection s and remove the clear protective cap from your Fluoroptic probe s Connect the probe s to the instrument by aligning the polarized connector on the probe to the optical port and gently push in Turn clockwise to lock the connection Plug power cord into the power supply Plug power supply to a grounded power outlet Figure 3 1 Connecting the FOT Lab Kit Components Fluoroptic Probe FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com System Operation Making With default factory settings the FOT instrument will automatically Temperature start making temperature measurements approximately one minute Measurement after power up To start or stop measurements use Action Commands One Letter in Chapter 4 User Interface Commands To adjust measurement rates analog output values and other settings refer to the Parameter Commands Two Letter also
32. g com User Interface Commands Parameter Commands Two Letter Information Requests 4 2 The Parameter Commands are used to adjust user selectable parameters and to query the instrument to report a current parameter setting The Parameter Command code consist of the Escape character 1Bh followed by two ASCII characters defining the command with optional arguments for retrieving information or setting system parameters Commands are not case sensitive White space spaces tabs is allowed but is ignored except where it is necessary for separation of arguments All commands must be terminated by a carriage return character CR ODh optionally followed by a line feed character LF OAh These parameter commands are used in either of two ways information requests or parameter modification This command format consists of the Escape character followed by a two letter command followed by a question mark and carriage return line feed Example Query lt Esc gt AA lt CRLF gt Information Request Character Hexidecimal Escape 1Bh A 41h A 41h Space optional 20h 3Fh Carriage Return ODh Line feed OAh Informational output data packets consist of echoing the command code in upper case characters followed by an equal sign followed by the requested information The Escape character is not echoed White space is consistently applied with exactly one 1 space character between ea
33. g disabled If command is successfully executed the CTRL T character will be echoed back to the host else a question mark will be returned Reset the Instrument The CTRL X command is used to perform a software reset of the FOT Lab Kit device This software reset is exactly equivalent to cycling power to the unit All parameters will be loaded from NvRam exactly as they are on power up If the parameters in any section of NvRam have been corrupted factory defaults will be loaded for that section and a message will be displayed informing the user which section s have received the factory default values FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 5 Temperature Data Reporting RS 232 Serial Interface Data Format General Format Temperature data are reported for each active input channel The Specification temperature units are selected using the UN command The format of the report is selected using the DF command The general format is to display the channel number followed by the temperature measurement for the channel followed by the units designator 1 245 71 K This general format is followed for each input channel from lowest to highest concatenating the data and presenting it on a single output line m The data for each channel are presented in a fixed length format m Each output line is terminated by a carriage return li
34. h case a purchase order number is required prior to the start of any repair If requested an estimate of the service charges will be given prior to the start of any repair THE FOREGOING WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY FITNESS OR ADEQUACY FOR ANY PARTICULAR PURPOSE OR USE FOT Lab Kit User s Manual B 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com LUXTRON CORPORATION SHALL NOT BE LIABLE FOR ANY SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER IN CONTRACT TORT OR OTHERWISE Damage In Shipment for the Original Purchaser The instrument should be thoroughly inspected immediately upon delivery to purchaser All material in the container should be checked against the enclosed packing list LUXTRON cannot be responsible for shortages against the packing list unless a claim is filed with the carrier immediately Final claim and negotiations with the carrier must be completed by the customer What to do in Case of a Malfunction Notify LUXTRON Customer Service giving details of the problem Include the instrument model number and serial number On receipt of this information Customer Service will attempt to locate the fault and if possible solve the problem over the telephone If Service concludes that the instrument has to be returned to LUXTRON for repair a Return M
35. he PS Probe Select command specifies which input channels are to be activated It is recommended that unused inputs be disabled to provide the optimum number of samples per report for the active channels The number of active channels has a direct effect on the interpretation of the MU command parameter value C i e continuous reporting Information Request Syntax Esc PS lt CRLF gt Response PS active channel list Example PS 1 2 3 4 Parameter Modification Syntax lt Esc gt PS channel list lt CRLF gt Range Any combination of installed channels may be specified in any order with the channel numbers separated by commas Additional spaces may be used but are ignored if present Examples PS 1 2 3 4 PS 2 4 PS 3 1 2 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands SL Signal Level The SL command reports the relative strength of the signal arriving at the photodetector The signal is the intensity of light returned from the probe tip and is reported as a percentage of maximum This information is used primarily during probe testing and helps to determine whether the probe is functioning efficiently Information Request Syntax lt Esc gt SL lt CRLF gt Response SL signal The signal data are returned in the same general format as a standard temperature report Example 1 1
36. he instrument to the computer and start the appropriate software 4 Power up the instrument 5 Set the temperature units using the command lt ESC gt UN units ENTER where units is Celsius Kelvin or Fahrenheit Depending on your FOT instrument some of these units will not be available 6 Disable channels 3 and 4 and enable channels 1 and 2 with the command lt ESC gt PS 1 2 ENTER 7 After channels 3 and 4 are disabled you can calibrate channel 1 and 2 at 60 C with the command lt ESC gt CT 60 ENTER 8 Then disable the calibration lt ESC gt CC D ENTER 9 Place the probes attached to channels 1 and 2 in the 60 C temperature bath and wait until the temperature is stable 5 to 15 minutes A 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 10 Start the automatic calibration sequence using the CTRL K command You may abort the procedure anytime by pressing CTRL A command 11 Wait for a few seconds for the calibration to complete then review the output data for errors see above 12 After the unit has finished the calibration of channels 1 and 2 then calibrate channels 3 and 4 with the following sequence 13 Disable channels 1 and 2 and enable 3 and 4 with the following command lt ESC gt PS 3 4 ENTER 14 After you have enabled channels 3 and 4 disable the calibration again with the command lt ESC gt CC D ENTER 15 Place the p
37. he report be transmitted using the CTRL Q command Initiate Auto Calibration Sequence This command is valid ONLY when the device is in Standard mode The CTRL K command invokes the auto calibration sequence for all active inputs When the sequence is complete the device will report the status of the operation as shown with the status indicator immediately following the colon and the calibration temperature Please see Appendix A Calibration Procedure for further details 1 C 348 15 K 2 C 348 15 K 3 C 348 15 K 4 C 348 15 K FOT Lab kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com CTRL Q CTRL R CTRL S FOT Lab kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands Report the Most Recent Measurement When in Remote Control mode periodic reporting of temperature through the serial interface is disabled even though sampling and creation of temperature reports can be invoked as background tasks CTRL I command The CTRL Q command instructs the device to report the most recent measurement created for each active input The format of the report is exactly the same as when in automatic reporting mode except that it is preceded by the echo of the CTRL Q character Under normal circumstances the user would alternate between CTRL I create report and CTRL Q t
38. it Set Low Temperature Limit obsolete no longer supported MU Measurement Update Set Interval Between Temperature Measurement Reports PS Probe Select Specify Active Input List SL Signal Level Report LED Light Source Intensity Level SM Sample Measurement Set Number of Samples to be Retained Per Measurement SN Serial Number Report Device s Serial Number ST STart up Mode Select Startup Mode SV Save Parameters Save Current User Parameters and Calibration Factors TU Table Selection Reports the Currently Selected Look up Table UN Output Units Specify Output Units of Measure Table 4 2 Summary Listing of Action Commands Command Code Command Description CTRL A Abort 01h Abort calibration sequence in progress CTRL D Disable 04h Disable remote control of temperature reporting CTRL E Enable 05h Enable remote control of temperature reporting CTRL F Flush 06h Flush the measurement buffer CTRL I Initiate 09h Begin data sampling CTRL K Calibrate OBh Begin auto calibration sequence CTRL Q Report 11h Report the most recent measurement enable serial output CTRL S Stop 13h Disable serial data output CTRL T Standby 14h Enter standby mode CTRL X Reset 18h Reset the instrument FOT Lab kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 4 5 User Interface Commands AE 4 6 Analog Output Activation
39. ls without regard to the number of active channels Examples All four input channels are active me ls 20 42 C 2 22 75 C 3 21 25 C 4 19 97 C Input channels 1 and 2 are active odds 20 42 C 2 2245 y 4 Input channels 1 and 3 are active Mods 20 42 C 2 3 3 22 75 C 4 ABBR Output is compacted to display data for only active input channels All four input channels are active Ia 20 42 C 2 22 75 C 3 21 25 C 4 19 97 c Input channels 1 and 2 are active 1 20 42 C2 22 15 C Input channels 1 and 3 are active da 20 42 C 3 21 25 C FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com DS FOT Lab Kit User s Manual User Interface Commands Display String The DS command may be used by the OEM customer to enter a line of text to be displayed on startup This text will also be displayed as part of the parameter dump see example in description of ID command page 4 14 Information Request Syntax Esc DS lt CRLF gt Response DS OEM display string Example DS XYZ Corp Model SuperPro 5000 Parameter Modification Syntax Esc DS OEM display string lt CRLF gt Range Display string may be from 1 to 31 characters NOTE Characters must be standard ASCII printing characters If tbe first character after the sign is a Space 20b it will be discarded To prevent display of this string enter an empty string
40. mm x 51mm Storage Temperature 55 to 75 C Operating Temperature 10 to 50 C Maximum Humidity 80 non condensing FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 2 System Components The FOT Lab Kit is designed to function with a variety of standard probes and accessories produced by LUXTRON Corporation The various probes are designed for different applications and are described in Figure 2 1 Standard Probes for Use with FOT Lab Kit on page 2 2 Visit LUXTRON s website or contact the LUXTRON Sales Department for more detailed information FOT Lab Kit User s Manual 2 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com System Components Probes Standard Probes Fluoroptic probes are non metallic and immune to EMI and radio frequency noise The standard probes generally consist of a fiber optic cable with LUXTRON s temperature sensitive phosphor affixed to the probing end and a fiber optic ST style connector on the other end for connection to the FOT Lab Kit Figure 2 1 Standard Probes for Use with FOT Lab Kit Luxtron Part Picture Description Number STM Probe 00 13244 XX Teflon CaP Application General Purpose Immersion Temp Range 0 to 250 C Sealant Protective EZ L3 Response Time 5s in still air Gla
41. more robust that thermocouples and are ideally suited for hostile environments Temperature data are collected by exciting the probe s phosphor with a burst of light sent through the fiber optic cable The decaying light signal returns through the fiber to the instrument where it is processed by converting the analog signal into a digital value which is then converted into a calibrated and corrected temperature The measured temperature is reported through the RS 232 interface and the analog outputs Whenever a probe is disconnected from the device or from a fiber optic extension cable always install the provided vinyl cap over the FOT Lab Kit instrument s optical port This prevents random ambient light from entering the system which would adversely affect the accuracy of the temperature measurements from the remaining probes If you experience unexpected resets of the device during initial installation and setup it is likely that the power supply is improperly grounded A code is provided in the startup message indicating the cause of the most recent reset This code is found at the end of the first line of the startup message and may be requested by your Customer Service representative while assisting you with your installation The code may be any one of the following POR Power On Reset WDR Watchdog Timer BOR Brown Out Reset CXR Ctrl X Reset WKR Wakeup Reset CLR MCLR Reset Example Luxtron Corp Copyright 2002 POR
42. nce decay time 1 of the phosphor sensor A mathematical curve fit correlates individual data points with stored values of 1 The measured value of 1 is then conditioned with the values in a calibration table to determine temperature Figure 1 3 Plot Representation of LUXTRON s Fluoroptic Thermometry Technique Excitation Light Pulse Intensity Fluorescent Time FOT Lab Kit User s Manual 1 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Introduction Table 1 1 FOT Lab Kit Performance Specifications Number of Channels 4 Temperature Range 100 through 330 C depending upon probe specification Electrical Interference Probes are immune to EMI and RF Accuracy Uncalibrated 1 of full scale Calibrated 0 5 C within 50 C of calibration Repeatability 0 5 C RMS at 8 samples per measurement Temperature Resolution RS 232 Output 0 01 C Analog Output 0 01 C Short Term Drift 0 2 C hour Long Term Drift 0 5 C 10 days Output Format 9K 9C F user selectable Self diagnostic Self diagnosis and probe error indications available through RS 232 interface Input Power Universal power supply Serial Output RS 232 serial interface at 9 600 bps N 8 1 no handshake Analog Output 0 0 10 0VDC Dimensions 184mm x 144
43. nefeed pair m There are two basic formats for serial output FULL and ABBRIEVIATED This format is selected using the DF Data Format command FOT Lab Kit User s Manual 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Temperature Data Reporting The following is an exact breakdown in both ASCII and hexidecimal of a report where input channels 1 and 2 are active and DF ABBR Space characters are replaced by the underscore character for visual clarity godes d un 2 24 4 3 DB CQ aw 2 B xm 2 2 4 5 1l C 20 20 31 3A 20 20 32 32 34 2E 33 39 20 43 20 20 32 3A 20 20 32 32 34 2E 35 31 20 43 OD OA 1 The first two characters on the line are spaces 2 The next character is the input channel number followed by a colon and one space 3 The temperature value follows which is four places to the left of the decimal the decimal point and two places to the right of the decimal The value is right justified with leading spaces as necessary 4 The temperature is followed by one space and the units designator 5 Items 1 4 are repeated for succeeding channels 6 If the temperature units are Celsius or Fahrenheit the temperature may be below 0 00 in which case the minus character is displayed as the first digit of the channel s temperature value e g 1 41 50 C 7 Theline is terminated by the carriage return linefeed pair Example showing a repor
44. o the information in this publication and these changes will be incorporated in new editions LUXTRON Corporation prohibits the duplication of any portion of this manual or the use thereof for any purpose other than the operation or maintenance of the equipment described in this manual without the express written permission of LUXTRON Corporation Copyright LUXTRON Corporation 2003 2005 All rights reserved Trademarks LUXTRON Fluoroptic and the LUXTRON logo are registered trademarks and TrueTemp is a trademark of LUXTRON Corporation All other trademarks are trademarks registered trademarks and or service marks of their respective holders LUXTRON Corporation 3033 Scott Blvd Santa Clara CA 95054 3316 Telephone 408 727 1600 FAX 408 727 1677 E mail info luxtron com support luxtron com Website http www luxtron com Part Number 38 13745 01 Revision E November 2005 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Contents Preface Introduction FOL LED KIC ONOM S s us ea doe Ea de aw ata tee ie acca RE a i System Ovetview 2 000 a aaaea aa Fluoroptic Technology Overview iiis en 2 System Components PIODSS mene ewan nae RE eedem edad edu d nob SMS Dd Standard Options and Accessories 0 0 0 ees 3 System Operation Getting Started e eie S dede dese Sade ais RR d de EA 4 User Interface Commands Parameter Commands Two Let
45. ology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands MU Report Set Measurement Reporting Interval The MU command specifies the interval between measurement reports Another way of looking at it is that 1 MU reporting frequency Information Request Syntax Esc MU lt CRLF gt Response MU interval Example MU 4 5 S Parameter Modification Syntax lt Esc gt MU interval lt CRLF gt Range C or Continuous Continuous mode reporting sets the reporting interval to the minimum practical value i e the sample interval times the number of active channels Since the sample rate is 4 Hz the sample interval is then 250 milliseconds and the reporting interval will be 250mS channels Examples If 4 channels are active MU C would yield 250mS 4 1 0 S If 2 channels are active MU C would yield 250mS 2 0 5 S 0 25 600 S Interval may be specified in seconds 1 10M Interval may also be specified in minutes The minimum interval corresponds to the sample rate of 0 25 Seconds 4Hz The maximum interval is limited by the width of the timer 16 bits Examples lt ESC gt MU C lt CRLF gt lt ESC gt MU 25 lt CRLF gt lt ESC gt MU IM lt CRLF gt FOT Lab kit User s Manual 4 15 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands PS 4 16 Active Input Channels T
46. oltage range desired Please refer to the descriptions of the AS command page 4 8 and AO command page 4 7 for details FOT Lab Kit User s Manual A 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A 8 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com B warranty and Service Limited Warranty LUXTRON Corporation warrants each Fluoroptic Thermometer to be free from defects in material and workmanship under normal use and service for the period of one year from date of shipment This warranty extends only to the original purchaser It does not apply to fuses lamps or probes nor any products or parts that have been subject to misuse neglect accident or abnormal conditions of operation In the event of failure of the instrument covered by this warranty LUXTRON Corporation will repair and calibrate the instrument if it is returned to LUXTRON within one year of the original shipment provided LUXTRON s examination discloses that the product is defective LUXTRON may at it s option replace the unit in lieu of repair The repairs or replacement will be made without charge if the instrument is returned within one year of the original shipment date If the fault has been caused by misuse neglect accident or abnormal conditions of operation repairs will be billed at current service rates In suc
47. p Time Real Time Wem EXT 2 4 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com System Components FOT Lab Kit User s Manual 2 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com System Components 2 6 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started oystem Operation The FOT Lab Kit is a fiber optic temperature measurement system All standard probes and fiber optic accessories for use with the FOT Lab Kit have ST style fiber optic connectors Host Control FOT Lab Kit User s Manual This Getting Started section will enable you to start basic measurements using default setups with your FOT Lab Kit For more details on how to tailor the instrument to your specific needs please refer to the user interface details described in Chapter 4 User Interface Commands and Chapter 5 Temperature Data Reporting To access the full features and interface of the FOT Lab Kit you will need a PC or host device to communicate via RS 232 If you are using LUXTRON s TrueTemp Software we recommend you install this software first before connecting the instrument Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com System Operation Connectin
48. ransmit report If you transmit CTRL Q twice without an intervening CTRL I you will receive a copy of the old report created by the most recent CTRL I command When used in Standard mode the CTRL Q command simply enables RS 232 serial data output previously inhibited by the CTRL S command Exit Standby Mode Run This command is valid ONLY when the device is in Standby mode CTRL T command or Remote Control mode CTRL E command When in Standby mode CTRL R instructs the device to return to Standard mode operation When in Remote Control mode CTRL R enables but does not initiate data sampling If command is successfully executed the CTRL R character will be echoed back to the host else a question mark will be returned Disable Serial Data Output This command is valid ONLY when the device is in Standard mode Use CTRL S to temporarily disable periodic reporting of temperature data Acommon reason for doing this is to prevent the data you are looking at from scrolling off the screen Use CTRL Q to restart periodic reporting 4 29 User Interface Commands CTRL T CTRL X 4 30 Enter Standby Mode This command is valid ONLY when the device is in Standard mode CTRL R command or Remote Control mode CTRL E command The CTRL T command causes the device to enter Standby mode if not already in Standby Standby mode can be thought of as a low power mode in that the lamps are turned off and temperature reportin
49. robes attached to channels 3 and 4 in the 100 C temperature bath and wait until the temperature is stable 5 to 15 minutes 16 Start the automatic calibration sequence using the CTRL K command You may abort the procedure anytime by pressing CTRL A command 17 Wait for a few seconds for the calibration to complete then review the output data for errors see above 18 After the calibration of channels 3 and 4 is complete enable all four channels at once with the command lt ESC gt PS 1 2 3 4 ENTER 19 Ifall four channels are reading correctly then save the setting with the following command lt ESC gt SV ENTER If there are no errors the new correction factors have been calculated and will take effect immediately E NOTES Do not issue any commands to tbe device for at least 10 seconds after the calibration routine bas finished This allows the device time to reinitialize tbe data sampling sequence If an error is encountered during the procedure and error message will be displayed for the failed channel s In this case revisit all steps of the setup and calibration to determine the cause of the error and run the procedure again A 6 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Error Codes C Calibration Complete No errors U Unstable Temperature error Temperature variation too great Could not get a stable reading E Error Gener
50. rt the probe or probes into the stable temperature bath verified by a reliable independent temperature measurement device 3 Connect the FOT instrument to the computer and start the appropriate software 4 Power up the FOT instrument A 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A 4 Set the temperature units using the command lt ESC gt UN units ENTER where units is Celsius Kelvin or Fahrenheit Depending on your FOT instrument some of these units will not be available Set the calibration temperature to match the actual temperature of the temperature bath using the comment lt ESC gt CT nn nn ENTER where nn nn is the temperature in degrees and hundredths of degrees in the temperature units previously specified using the UN command Disable the calibrated output using the command lt ESC gt CC D ENTER Allow the probe several minutes 5 to 15 minutes to achieve thermal equilibrium with the temperature bath Start the automatic calibration sequence using the CTRL K command You may abort the procedure anytime by pressing CTRL A command After a few seconds you will receive the following output depending on the results of the calibration a 1 100 00F 2 C 100 00F This indicates the calibration was successful on channels 1 and 2 b 1 U100 00F 2 C 100 00F This indicates there was an unstable temperature variation on
51. s may be enabled and disabled using the AE command The output voltage may be scaled using the AS and AO commands Using these two commands you may scale the analog output to the working temperature range of your application When the instrument is in Standby mode the analog outputs are set to 0 00V In Standard mode with analog outputs enabled AE command the outputs will track the measured temperature based upon the parameters set through the AS and AO commands By properly scaling the outputs you can obtain optimal resolution throughout the selected temperature range Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Temperature Data Reporting 5 4 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A Calibration Procedure Digital Temperature Output Calibration Procedure A curve fitted temperature calculation algorithm is used within the system firmware to provide calibrated temperature output Although the user need not be concerned with the temperature calculation algorithm there are certain physical factors encountered during the system installation process which can affect the reported temperature FOT Lab Kit User s Manual Type of temperature probe used The probes used with the FOT Lab Kit device are LUXTRON Fluoroptic probes These probes are available in a variety of lengths and diameters
52. ss Capillary Ti 1 OD 14mm g ip OD 1 5mm 0 7s in stirred water STF Probe 00 13737 XX Application Fast Response Immersion somm kaem Temp Range 0 to 295 C X Response Time 1 25s in still air L NOI 0 25s in stirred water WPOD 6mm Probe di 1 4mm STS Probe 00 13738 XX Application Surface Contact Temp Range 25 to 200 C Response Time 25ms STR Probe Kit 06 13740 01 i Mp oD pom Probe OD1 4mm Probe tip is a polished open end fiber Application Non contact Remote Temp Range 25 to 3309C Includes 0 1 gm Luxtron s Alpha phosphor sensor powder 1mL 150 C silicon binder 1mL 250 C silicon binder 1mL 450 C silicon binder 2m STP probe blank see image at left Remote Sensing User s Guide 2 2 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com System Components Custom Probes In addition to the standard probes LUXTRON offers a custom development program to design and integrate probes to meet the needs of OEM applications Custom probes have been developed for a wide range of temperatures from cryogenic to over 400 C vacuum specifications down to 1e torr materials and mechanical specifications to survive various hostile environments Examples of some custom designs can be seen on LUXTRON s website at www luxtron com FOT Lab Kit User s Manual 2 3 Artisan Technology Group Quality Instrumentation Gu
53. t line with all four channels active 1 224 39 C2 3224 51 C3 3224 22 C4 224 19 C Example showing a report line with channels 1 and 2 active then 1 3 and active with DF FULL 224 39 02 224 51 C3 4 224 39 C2 3 224 22 C4 224 19 C Example showing a report line with channels 1 and 2 active and DF ABBR 1 224 39 C2 224 51 C 5 2 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Error Reporting Analog Output Data FOT Lab Kit User s Manual Temperature Data Reporting The FOT Lab Kit device has a very simple error reporting mechanism If a problem is detected the letters PE Probe Error are inserted into the serial data stream following the data for the affected channel s This error could be caused by a number of factors including but not limited to l Probe not attached to input 2 Improper probe type 3 Damaged probe 4 Input channel is not properly calibrated 5 Temperature of target is outside the device s measurement range 6 One or more inappropriate parameter settings 7 Failure of the capture hardware When an error is detected on a given input channel the format includes the PE message as in the following example showing an error on channel 2 1 224 39 C 2 224 51PE 3 224 22 C 4 224 19 C The FOT Lab Kit includes a 0 10 volt analog output for each installed input channel The analog output
54. ter 0 00 Action Commands One LetteD iens 4 25 5 Temperature Data Reporting RS 232 Serial Interface Data Format sss en A Calibration Procedure Digital Temperature Output Calibration Procedure Calibration Instructions iss ea eG Ga ee ee oe Ra E GR m PEG OR Ra Analog Temperature Output Calibration 0 ee FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Contents Warranty and Service Limited Warranty sexes rx X ces mec Ek RR REOR RS ROS oh RO RR CR B 1 Damage In Shipment for the Original Purchaser cee eee B 2 What to do in Case of a Malfunction 2 0 aaa B 2 Shipments to LUXTRON for Repair sse eens B 2 SHIPPING AddEGSS iis see tes mace Ree Ree ee ee a va Fore bea OR B 2 FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Figures Figure 1 1 FOT Lab Kit Instrument iiis mnn 1 2 Figure 1 2 Fluoroptic Thermometry System Includes an Instrument Probes and Optional Accessories 00 es 1 3 Figure 1 3 Plot Representation of LUXTRON s Fluoroptic Thermometry TECHNIQUE fwicki ee hd aad at dad Saw ee ia 1 5 Figure 2 1 Standard Probes for Use with FOT Lab Kit 0 ee 2 2 Figure 3 1 Connecting the FOT Lab Kit Components 000 0 eee ae 3 2 Figure 4 1 Sampling Report 2 eee eee
55. ther details of this command are described in Chapter 4 Page 4 23 FOT Lab Kit User s Manual 3 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com System Operation Analog Outputs User Interface Calibration The FOT Lab Kit includes a 0 10V analog output for each of the four measurement channels There is a positive and Negative screw terminal contact for each channel Connections should be made with shielded 22 AWG wire and a circuit impedance of gt 1kOhm The FOT Lab Kit can be used with LabVIEW sofware after loading drivers available on www luxtron com The analog outputs scaling and offset are programmable These settings are adjusted using the AS and AO parameter commands For a description and examples of how to use these commands please see the detailed command definitions on pages 4 7 and 4 8 The FOT Lab Kit communicates through a standard RS 232 serial interface The connection is a 2 wire interface Transmit Receive and Ground which can be connected to a standard PC equipped with a 65550 or equivalent UART device The PC host software may be a standard terminal emulation application such as HyperTerminal or a custom device control program communicating through the RS 232 interface The user interface is described in detail in Chapter 4 and Chapter 5 of this manual NOTE The serial interface is the main conduit through which the FOT Lab Kit communic
56. to discuss development of a custom probe for your specific OEM application To see examples of custom probes visit LUXTRON s website at www luxtron com Accessories The most common accessory is a fiber optic extension The extension allows flexible mounting or locating of the instrument with respect to the point of measurement Standard extension lengths are available in 2 5 and 10 meters The other category of accessories is vacuum feedthroughs These allow either a probe or a fiber optic extension to enter vacuum chambers through NPT fittings or Conflat flanges FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Introduction Fluoroptic Technology Overview The FOT Lab Kit uses LUXTRON s patented Fluoroptic technology based on a temperature sensitive phosphorescent sensor attached to the end of an optical fiber Pulses of light transmitted down the fiber optic probe cause the sensor to be excited and fluoresce The DSP based electronics of the FOT Lab Kit Instrument detect and calculate the decay time of this fluorescence after each pulse This decay time varies precisely with the temperature of the sensor providing the basis for accurate temperature measurement The FOT Lab Kit Instrument achieves accuracy better than 0 5 C and a measurement range of 100 to 330 C Below is a plot representation of the method used to extract the floresce
57. ual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands Figure 4 1 Sampling Report Example One input channel is active MU 1 Second SM 8 Samples Per Report 5 6 1 31 1 NOU BWDNE i CI COCO Owe Ba Co COCO Wwe eco CI CoO we eco Co COCO Wwe Ez L1 CI COCO NG w CI OO Ww ecco Ez CO Ww eco CI CO Ww ecco OO Ww eco Co O Ww Ez O L L1 Co O Ww Ez O L L1 CI O O L NG a BDgngHDBDHDE TONDO TONDO PONDO POOO UHHBEHBHH a Example Four input channel are active MU 1 Second SM 2 Samples Per Report i Co CJ CJ CJ CJ ee EI CJ CJ CI sm mH 1 CO CI E A EH L3 B lai Information Request Syntax Esc SM lt CRLF gt Response SM samples Example SM 6 Six samples averaged into each reported value Parameter Modification Syntax lt Esc gt SM samples lt CRLF gt Range 1 through 50 FOT Lab kit User s Manual 4 19 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com User Interface Commands SN Serial Number Query The SN command is used to report the unit s internal serial number A copy of this number may or may not also be affixed to the unit s case Information Request Syntax lt Esc gt SN lt CRLF gt Response SN sernum Example SN 123456 In the unlikely event that the serial number saved in NvRam has been corrupted
58. uctions on how to operate and use the FOT Lab Kit Chapter 4 User Interface Commands provides a detailed description of all user interface commands and user selectable parameters Chapter 5 Temperature Data Reporting describes the type and format of data reported by the instrument Appendix A Calibration Procedure describes the procedure used to calibrate the instrument Appendix B Warranty and Service provides warranty and service information Preface i Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Preface Preface ii FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 1l Introduction The FOT Lab Kit is a fiber optic thermometry system that allows users to measure temperature where conventional sensors fail Luxtron s unique technology called Fluoroptic Thermometry FOT offers probes that are totally immune to electromagnetic interference EMI and of entirely non metallic construction These qualities make FOT probes perfectly suited for measuring temperatures in harsh environments such as high voltages and strong radio frequencies RF often encountered during research or in industrial processes Applications include m Medical treatment and research MRI microwave laser hyperthermia RF ablation cryogenic treatments m Semiconductor equipment Electrost
59. uest Character Hexidecimal Escape 1Bh A 41h A 41h Space optional 20h n 3Dh Space optional 20h E 5h Carriage Return ODh Line feed OAh If the command is successfully received parsed and executed the new parameter will immediately take effect There will be no serial data response from the device If the command is unrecognized or the command syntax or parameter value is incorrect the system responds with the request as typed with the addition of a question mark followed by a CRLF pair FOT Lab Kit User s Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Table 4 1 User Interface Commands Summary Listing of Parameter Commands Command Code Command Description AE Analog Output Enable Enable Disable Analog Outputs AO Analog Output Set Analog Output Temperature Offset Factor AS Analog Scaling Factor Set Analog Output Temperature Scaling Factor CC Calibration Correction Enable Disable Application of Calibration Factors CT Calibration Set Calibration Temperature for Auto Calibration Function DF Data Format Set Serial Data Output Format DS Data String Capture User Data Sequence HL High Temperature Limit Set High Temperature Limit obsolete no longer supported ID Information Display Report Device ID and Current Parameter Settings LL Low Temperature Lim
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