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FieldMaxII-TOP™

1. OverTemperature MeasurementDataLost A reference to the cFM2Device object from which this callback comes is obtained by indexing into the DevicesList collection persisted through the Notify 66 Host Interface DeviceStatus callback method through the DevicesList Item search method using the string version of CallbackData Devicelndex as the search key The following Visual Basic 6 0 code shows how to obtain reference to the cFM2Device object and start the data check timer when a data transmission is notified Declaration Dim ThisDevice As IFM2Device Executable code Get the current device from the collection Set ThisDevice m_DevicesList Item CallbackData DeviceIndex Handle the data Select Case CallbackData CallbackEvent Case Fault Fault event is enumerated in ThisDevice LastFault Case ProbeRemoved Probe was removed Case ProbeAdded Probe was added probe type is ThisDevice ProbeType Case Poweron Meter power is on all properties are current and accurate Case PowerOff Meter power is off only the ThisDevice PowerState is current and accurate Case MeasurementData Measurement data event data is ThisDevice LastData Case PacketIsOverrange Measurement data event data is over ranged Case OverTemperature Probe is in an over temperature state Case MeasurementDataLost Data transmission gap due to buffer overflow 67
2. ige aneignen 58 Host Interface ici desa 59 PRTC UC TOT a ae td br 59 ActiveX Usage Guidelines een ea 59 A A vate TE 59 Coding ESS CINTA ae ee Herd 61 SEID een 61 IheCallback Object nu sale er 63 Status Change Notifications essenseesneesneenenennennennnn 65 Data Transmission NotifiCati0DS oooooonoocnoccnononononcnnnoconocanncnnncno 66 Error Callback varias 69 Zero Slatus Callback Asse Bas ie lees 69 ABO ae 70 Type Library Deals en na aa a 71 Interface TEM2 Listener 2 2 2 72 Interface cCFMIL ist iii id ana 72 vii FieldMaxII TOP User Manual Interface IFM2DeviceEvents siria iia 72 Interface cFM2ScanUSBForChange cccocccocccoocnononcnonoconocanncnnnnno 74 Interface CEM2ScanEorData a see 74 Interface IEND Device ae ren 75 Interface eFM2Devicess une 86 Calibration and Warranty eeeeeeseseeene 87 Calibration sea u ni Erin 87 Coherent Calibration Facilities and Capabilities een 88 Limited Warranty A aaa 89 Extended Lifetime Warrants 89 Warranty Limitations areas eb aa 90 Obtainms Serien aaa a ee ed nde nd de aaah 91 Product Shipping Instrictons are 93 Appendix A Specifications ueeeeeenen 95 A eee 99 1 Fault Codes een 29 2 Numeric Display Information eii 43 3 Full Scale Range Settings Joules Modes ea 45 4 Full Scale Range Settings Watts Mode uneennneneenennnnn 46 5 Coherent Service Centers coiii n a A A 92 6 SPESITIEA
3. method CloseAllUSBDeviceDrivers in long Device Handle The method call to close a connection Use the Device Handle property as the argument method DismissFault The method used to dismiss any active fault Query the LastFault property to obtain the fault code before it is dismissed method GetUSBDeviceData in long DeviceHandle serves internal processing purposes only method RestartBatch The method to restart a statistics batch method ZeroDevice The method to start a zero procedure propput DeviceEvents in IFM2DeviceEvents rhs The write only property which holds a reference to the callback object so that data events can be dispatched to the application method AnalogOutFullscale VoltageCommand in short CommandOption The method to set the analog out full scale voltage Valid ComandOption values follow the Visual Basic 6 0 enumeration of Public Enum AnalogOutFullscaleVoltage aofv1V aofv2V aofv5V End Enum 1 2 3 75 FieldMaxI TOP User Manual method AreaCorrectionDiameterCommand in double CommandOption The method to set the area correction aperture diameter in millimeters Valid CommandOption values range from 0 01 to 999 99 method AreaCorrectionEnabledCommand in VARIANT BOOL CommandOption The method to enable or disable area correction mode Valid CommandOption values are O for disabled and non zero for enabled method AttenuationCorrectionFactorCommand in
4. Company warrants its laser power and energy meters and sensors products Products to the original purchaser the Customer that the product is free from defects in materials and workmanship and complies with all specifications active at the time of purchase for a period of twelve 12 months Coherent Inc will at its option repair or replace any product or component found to be defective during the warranty period This warranty applies only to the orig inal purchaser and is not transferable Coherent Inc the Company offers original purchasers the Customer purchasing laser power and energy meters and sensors products Products an extended lifetime warranty program which includes all parts and labor In order to qualify for this warranty a Customer must return the Product to the Company for recalibration and recertification traceable to NIST and MIL STD 45662A within one year from the date of purchase and annually thereafter The Company will recertify the Product provide software upgrades and perform any needed repairs for a fixed service fee as established by the Company from time to time and in effect at the time of service Ifthe Product fails and is returned to the Company within one year following the date of recalibration service the Company will at its option repair or replace the Product or any component found to be defective This warranty applies only to the original pu
5. For more information on selecting parameters while in Statistics mode refer to Left and Right Arrows on page 40 A statistical batch requires valid data for every data point in the batch Ifa batch collection of data is in process and invalid data is measured the batch is considered contam inated and the batch immediately ends with no batch result computed Ifthe Restart mode is Auto anew batch is immediately restarted The error that caused the contaminated batch is displayed Energy joules measurements are taken using pyroelec tric sensors for pulsed laser or thermopile sensors for long pulsed laser The user interface behaves in a 41 FieldMaxI TOP User Manual slightly different manner depending on which type of sensor you are using Energy measurements cannot be taken with an optical sensor When using a thermopile sensor in long pulse Joules mode energy is measured as integrated power from individual laser pulses For more information refer to Pulsed Thermopile Joules Mode on page 55 Power watts measurements are taken using either pyro electric sensors for pulsed laser or thermopile and optical sensors for continuous laser A speedup algorithm is used while taking power measurements with a thermopile sensor This algo rithm is applied to the tuning needles to provide faster response while tuning a laser Refer to Tuning Mode on page 22 To improve accuracy speedup is not applied to
6. Intuitive soft key driven user interface e USB1 1 Portable AC DC operation Compact rugged enclosure with stand 11 FieldMaxII TOP User Manual The versatile FieldMaxII TOP measures Power W W cm Energy J J cm Frequency Hz Full statistics max min mean and standard devi ation 12 Front Panel Description The front panel shown in Figure 5 includes a liquid crystal display LCD and buttons that are used to enter parameters select modes and change ranges f FieldMax TOP Laser Power Energy Meter Stat A Area Avg Atter Trig es LO amp COHERENT Setup Local Figure 5 Front Panel 13 FieldMaxIl TOP User Manual Buttons The following buttons are on the front panel of the Field MaxII TOP Setup Local starts or ends a parameter edit cycle This button is also used to cancel the front panel lockout when Remote Control is active id Stat statistics processing parameter Wave A wavelength compensation parameter Area area correction parameter e Avg display smoothing parameter Atten attenuation correction parameter Trig trigger level parameter e J W Joules or Watts mode e Auto Auto Ranging mode Hz Rep Rate Display mode Zero start batch When Statistics mode is not active this button can also be used to zero a sensor
7. ByVal RHS As String m_CallbackMessage RHS End Property Private Property Get IFM2DeviceEvents CallbackMessage As String IFM2DeviceEvents CallbackMessage m_CallbackMessage End Property Private Property Let IFM2DeviceEvents DeviceIndex _ ByVal RHS As Integer m_Devicelndex RHS End Property Private Property Get IFM2DeviceEvents Devicelndex As Integer IFM2DeviceEvents DeviceIndex m_Devicelndex End Property Private Property Let IFM2DeviceEvents SerialNumber _ ByVal RHS As String m_ SerialNumber RHS End Property Private Property Get IFM2DeviceEvents SerialNumber As String IFM2DeviceEvents SerialNumber m SerialNumber End Property Write only properties 64 Host Interface Private Property Let IFM2DeviceEvents ZeroDeviceTimeoutCounter _ ByVal RHS As Integer m_ZeroDeviceTimeoutCounter RHS End Property Status Change Notifications Declaration Status change notifications are dispatched to the applica tion code through the IFM2DeviceEvents_Notify DeviceStatus callback method The CallbackData and DevicesList objects are passed to the application Status change event types are steered by testing the Callback Data CallbackEvent string The CallbackEvent string will be one of the following MeterAdded MeterRemoved The DevicesList is updated with each call to this callback method A reference to the cFM2Device object from which this callback comes is obtained by ind
8. FieldMaxII TOP User Manual When starting the zeroing procedure the large numerals on the LCD are replaced by an animated set of dashes Unless there is an error the normal measurement mode resumes once the zeroing procedure ends 52 Trigger States and the Trigger Annunciator Special Topics SPECIAL TOPICS This section discusses the following topics Trigger states and the trigger annunciator this page Pulsed thermopile Joules mode page 55 Pyroelectric Watts mode page 56 Negative power display page 58 Digital tuning feature use in Statistics mode page 58 a ActiveX installation page 58 USB driver installation page 58 Two segments are dedicated to the indication of the trigger state of the meter These are the TRIG and the segment that follows it The trigger state is always used when a pyroelectric sensor is attached There are two possible trigger states when a pyroelectric sensor is attached triggered and wait for trigger The triggered state indicates that the meter is capturing laser pulses The wait for trigger state indicates an absence of pulse triggers When a pulse is captured the trigger state becomes active and the wait for trigger state becomes inactive If no pulses are captured within 1 67 seconds since the last pulse was captured the wait for 53 FieldMaxI TOP User Manual trigger state becomes active and the triggered state becomes inactive The TRIG
9. OU E sos 0 OO gt MAN a s LI O Hz SEC Figure 11 Current Scale Mid Range 23 FieldMaxII TOP User Manual Zone Indicator Zone indicator bars are a series of six segments as shown Bars in Figure 12 Zone Indicator Bars Figure 12 Zone Indicator Bars These bars act as visual indicators while the tuning needles automatically move through zones and also provide a relative indication of where the measurement falls within the active range 24 Operation Zone indicator bars always appear in pairs with each overlapping zone representing 1 3 of full scale Figure 13 shows how the five zone indicator bars corre late to full scale measurement on the tuning meter scale TT rare 4 Scale Fraction an Figure 13 Comparison of Zone Indicator Bars to Full Scale Measurement 25 FieldMaxII TOP User Manual Figure 14 shows an example of how the zone indicator bars overlap on a 30 watt scale Full Scale Figure 14 Tuning Mode Example Full Scale Annunciators Annunciators refers to the icon type symbols that appear on the LCD Figure 6 on page 15 shows all the annunci ators on the FieldMaxII TOP meter The update rate for all annunciators is 3 times per second Temperature thermopile sensors only The Temperature annun ciator flashes whenever the meter detects a sensor over temperature condition This annunciator is not visible unless a sensor o
10. The Avg button is used to Toggle the state of Average mode if the button is pressed for less than one second Enter Edit mode and select the display smoothing window size if Setup Local is pressed before hand View the display smoothing window size if the button is pressed for one second or more 36 Atten Trig Operation Attenuation mode allows you to get true measurements using an attenuator that has a known attenuation factor When Attenuation Correction mode is enabled the measured value is adjusted to indicate the measurement at the attenuator and not the sensor The range for this mode is 0 01 to 999 99 Here s an example of how to determine the attenuation correction factor that needs to be set in the FieldMaxII TOP meter Ifa 1 W laser beam is focused through an attenuator that has an attenuation factor of 50 then to get a true laser measurement value the correction factor in the FieldMaxH TOP instrument needs to be set to 2 In other words since only half the power of the beam is transmitted through the attenuator the measured result must be doubled to obtain a true laser measurement The Atten button is used to initiate several activities Toggle the state of Attenuation Correction mode if the button is pressed for less than one second Enter Edit mode and select the attenuation factor if Setup Local is pressed beforehand View the attenuation factor if the button is pressed
11. an unrecognized sensor to the meter creates a special fault condition This condition is characterized by displaying a sensor fault 1 through 5 The update rate for invalid or not available data condi tions is three times per second Invalid data is obtained whenever the meter over ranges When invalid data is sensed the letters OL overload appear on the display If OL appears while in Auto mode no further action needs to be taken If OL appears while in Manual mode start a new batch by pressing the Zero button All data used to generate a batch result must be valid Measurement data may be unavailable at certain times during meter operation When data is not available a series of dashes appears in the measurement area of the display The following conditions will generate unavail able data Meter is powered on and no pulse triggers are detected with a pyroelectric sensor 30 Setup Parameters Setup Local Operation Function mode Joules or Watts is changed and no pulse triggers are detected with a pyroelectric sensor Statistics mode is entered and batch data has not been compiled This section explains how to select and set user definable parameters The Setup Local button serves several purposes l If an edit cycle is not in progress pressing the Setup Local button initiates an edit cycle If the next button pressed represents an edit parameter STAT WAVE AREA ATTEN TRIG o
12. beam take the measurement and observe the result on the display Figure 2 Measuring Power With a Thermopile or Optical Sensor FieldMaxI TOP User Manual Meas uring The following figure outlines how to set up a pyroelec En ergy With a tric sensor to take an energy measurement Pyroelectric Sensor Connect a pyroelectric sensor to the 25 pin connector Note If your sensor has a BNC plug you will need to attach a 25 pin adapter If Watts mode is currently selected press the J W button to select Joules mode indicates Joules mode indicates Watts mode Press either the Up or Down arrow to manually select the range Note Auto Range is not available for this type of sensor Take the measurement and observe the result on the display Figure 3 Measuring Energy With a Pyroelectric Sensor Quick Start Measuring The following figure explains how to take an energy En ergy With a measurement using a thermopile sensor Thermopile Sensor Connect a thermopile sensor to the 25 pin connector Press the J W button to select Watts mode and then find the appropriate watts range by taking a couple of sample measurements The appropriate range is the lowest range i available that does not give an overrange error during the test measurement indicates Joules mode indicates Watts mode Block the beam and then press the Zero button to set the baseline for Press
13. for one second or more After pressing the Setup Local button the Trig button is used to enter Edit mode and select the trigger level parameter that will be edited If an edit cycle has not been initiated pressing the Trig button will display the trigger level parameter Trigger has a range of 2 to 20 of full scale Refer to Internal Triggering Mode on page 48 for details of the trigger function 37 FieldMaxII TOP User Manual Button Functions J W Auto Hz Zero The main function of this button is to toggle between Joules and Watts mode Only Watts mode can be active when an optical sensor is attached thermopile and optical sensors only Pressing the Auto button instructs the FieldMaxII TOP to select the best measurement range for the incoming signal pyroelectric sensors only Pressing the Hz button toggles the Pulse Frequency Display mode If Hz mode is on the pulse frequency displays in the parameter edit region of the display If Hz mode is off the pulse frequency does not display If the pulse frequency is gt 300 Hz the displays shows a series of three dashes followed by the letters Hz thermopile and optical sensors only Pressing the Zero button causes the analog circuitry to zero its internal settings by running a zero cycle If Auto Ranging is not active the meter will zero the currently selected range If Auto Ranging is active the meter will zero all available ranges for the attached
14. output channel enabled or disabled propget SpeedupDigitalDisplay out retval VARIANT BOOL The read only property indicating mode of application of thermopile speedup to the digital display enabled or disabled propget SpeedupHostData out retval VARIANT BOOL The read only property indicating mode of application of thermopile speedup to the host data output channel enabled or disabled propget SpeedupMeter out retval VARIANT _BOOL The read only property indicating mode of application of thermopile speedup to the simulated analog meter enabled or disabled propget StatisticsMode out retval short The read only property indicating the statistics mode propget TriggerLevel out retval short The read only property indicating pulse trigger level This property is meaningful only when a pyroelectric probe is attached propget Wavelength out retval long The read only property indicating the wavelength of operation 85 FieldMaxI TOP User Manual Interface cFM2Devices propput DeviceHandle in long propget DeviceHandle out retval long The property to be used as the argument to the Close ANUSBDeviceDrivers method propput Devicelndex in short propget Devicelndex out retval short The property to be used as the key to searches in the device list propput SerialNumber in BSTR propget SerialNumber out retval BSTR The property to be u
15. page 38 Statistics mode page 40 Energy and power measurements page 41 Measurement display and range selection page 44 6 Pyroelectric specific information page 48 E Thermopile and optical specific information page 50 21 FieldMaxII TOP User Manual Tuning Mode This mode only works in Manual Ranging mode For more information about ranging refer to Manual Ranging Mode on page 50 if you are using a pyro electric sensor or Auto vs Manual Ranging Mode on page 50 if you are using a thermopile or optical sensor As shown in Figure 10 tuning is visually displayed on the LCD using tuning needles and zone indicator bars Tuning Needles TRIG AUTO AVG ATTEN E 300 N vra gt MAX gt MIN MEAN STDV 00D DiJ I E Zone Indicator Bars Figure 10 Location of Tuning Needles and Zone Indicator Bars 22 Tuning Needles Operation Tuning needles which divide a given tuning zone into thirty increments are used to peak a laser output As the top or bottom of a zone is reached the tuning needles automatically move to the center of the next zone see Figure 11 Zone indicator bars let you know when this happens refer to Zone Indicator Bars on page 24 for more information Mid Range of Current Scale 4 TRIG AUTO AVG ATTEN 300 0000000000097 a Ll BE gt MAX gt MIN gt MEAN gt STDV 3 0 0 Ole I 6 0 0 l E od nm
16. propget MeasurementMode out retval short The read only property indicating the measurement mode Watts or Joules 83 FieldMaxI TOP User Manual propget MeterType out retval short The read only property indicating the meter type TOP TO or P This property follows the Visual Basic 6 0 enumeration of Public Enum MeterType mtTOP 1 mtTO 2 mtP 3 End Enum propget MinRange out retval double The read only property indicating the minimum full scale range that the meter will accommodate This property automatically varies as different probes are attached propget MinWavelength out retval long The read only property indicating the minimum wave length that the meter will accommodate This property automatically varies as different probes are attached propget PowerState out retval VARIANT BOOL The read only property indicating meter power state propget ProbeType out retval short The read only property indicating the attached probe type This property follows the Visual Basic 6 0 enumeration of Public Enum ProbeType ptNone 0 ptThermopile 1 ptPyroelectric 2 ptOptical 3 End Enum propget Range out retval double The read only property indicating the currently selected full scale range 84 Host Interface propget SpeedupAnalogOutput out retval VARIANT BOOL The read only property indicating mode of application of thermopile speedup to the analog
17. technical information please visit our website www coherent com You can obtain additional support by either telephoning our Technical Support Hotline at 1 800 343 4912 or e mailing our Support Team at support instruments coherent com Telephone coverage is available Monday through Friday except U S holidays If you call outside our office hours your call will be taken by our answering system and will be returned when the office reopens If there are technical difficulties with your product that cannot be resolved by support mechanisms outlined above please e mail or telephone Coherent Technical Support with a description of the problem and the corrective steps attempted When communicating with our Technical Support Department via the web or telephone the model and serial number of the product will be required by the Support Engineer responding to your request Outside the U S If you are located outside the U S visit our website for technical assistance or telephone our local Service Representative Representative phone numbers and addresses can be found on the Coherent website www coherent com Coherent provides web and telephone technical assistance as a service to its customers and assumes no liability thereby for any injury or damage that may occur contemporaneous with such services These support services do not under any circumstances affect the terms of any warranty agreement between Coherent and the buyer Op
18. that starts at 60 and decrements by one for each event The terminal value for ZeroDevice TimeoutCounter will be O or when zero completes 0 indicates a successful completion indicates a failure Teardown Devices connected to the application must be closed The cFM2Notify object passes a reference to the cFM2Devices collection with every callback to the application code via the IFM2DeviceEvents _ NotifyDeviceStatus callback method All connections must be closed by calling the IFM2Device_ CloseAllUSBDeviceDrivers using the IFM2Device _ DeviceHandle as the method argument The following Visual Basic 6 0 code shows how to close the connections Global declarations Devices collection returned from the callback object Dim DevicesList As cFM2Devices Executable code If Not DevicesList Is Nothing Then If Not DevicesList Count 0 Then Dim device As IFM2Device For Each device In DevicesList device CloseAllUSBDeviceDrivers device DeviceHandle Next End If End If The remaining teardown is simply the process of undoing the setup 70 Host Interface In the application code 1 Stop all engine timers 2 Destroy the cFM2Notify callback object 3 Destroy the cFM2ScanUSBForChange and cFM2ScanForData objects 4 Destroy the cFM2Listener object and the reference to the IFM2Listener interface to it The following Visual Basic 6 0 code shows the steps Stop all engine timers ScanUSBForChange Stop
19. thermopile or optical or restart a batch pyroelec tric Ys Power Switch Backlight Toggle button e Up Arrow A field adjust or range select Down Arrow V field adjust or range select e Left Arrow field select e Right Arrow field select For detailed information about each of these buttons refer to Operation on page 21 14 Description Display The LCD display provides visual measurement informa tion Figure 6 shows all the possible segments that may appear on the display TRIG AUTO AVG ATTEN 300 RMT 777 A un m Ta Tr gt MAX gt MIN gt MEAN gt STDV 0 0 0 Dive LI A We OOO OO om man 1 LLL Hz seo Figure 6 LCD Display 15 FieldMaxII TOP User Manual The type of sensor being used and the individu ally selected settings determine what type of informa tion will actually appear on the display Information that appears on the display is divided into the groups described in the following list Figure 6 on page 15 shows the general location of each group Annunciators Temperature TRIG AUTO Range Hint AVG ATTEN RMT and Battery Digital tuning feature Tuning meter scale Statistical parameters MAX MIN MEAN and STDV Numeric measurement value large numeric char acters Measurement units and engineering prefixes Statistical Sampling mode AUTO and MAN Numeric data entry batch count parameter settings and H
20. FieldMaxI TOP User Manual Case Else Unknown event End Select A Fault event indicates a meter malfunction The fault code may be queried by reading the cFM2Device Last Fault property The fault code may be dismissed by calling the cFM2Device DismissFault method A Probe Removed event indicates that a probe was removed from the meter Data transmission will cease when the probe is removed If the meter USB disconnect event occurs when the probe is connected a Probe Removed event will not happen before the Meter Removed event A Probe Added event indicates that a probe was added to the meter Data transmission can happen only after a probe is attached A Power On event indicates that meter power has been turned on A Power Off event indicates that meter power has been turned off A Measurement Data event indicates a valid measure ment reading is available The measurement reading is in two parts a value Watts or Joules and a period The value may be queried by reading the cFM2Device Last Data property The period may be queried by reading the cFM2Device LastPeriod property The period is expressed in units of 8 usec intervals when a pyroelectric probe is attached When a thermopile or optical probe is attached and an overtemperature condition exists the period is otherwise it is 0 68 Error Callback Zero Status Callback Host Interface An Overrange packet event indicates that the current reading is o
21. LONS ss 95 viii EN AS a a A A A A A gt 3008 ANDAS A O r Table of Contents LisT OF FIGURES Measuring Average Power With a Pyroelectric Sensor 6 Measuring Power With a Thermopile or Optical Sensor 1 Measuring Energy With a Pyroelectric Sensor cenenenne 8 Measuring Energy With a Thermopile Sensor 9 Front Panel 13 ED Display a seele 15 Richt Side Panel er ge 17 A eame a aa E Ae a 18 Battery Replacement een 19 Location of Tuning Needles and Zone Indicator Bars 22 Current Scale Mid Range nennen nen 23 Zone Indicator Bars anna anne A A aG 24 Comparison of Zone Indicator Bars to Full Scale Measurement 23 Tuning Mode Example Full Scale 26 Internal Trigger Threshold u sans 49 Auto Rangin antenne 51 Measuring Energy Pulsed Thermopile Joules Mode 55 Burst Power vi 56 Burst Power A eentee at ounatenaneadeeas 57 FieldMaxI TOP User Manual Preface Software Installation U S Export Control Laws Compliance Preface This manual contains user information for the Field MaxII TOP laser power energy meter For complete software installation instructions refer to the FieldMaxII Software Installation Quick Start Guide 1096359 that shipped with your product If that document is unavailable insert the FieldMaxII CD into your CD ROM drive If Autorun is enabled on your system installation will start automatically other wise select R
22. M2Device lt parameter gt Command methods Status 60 Coding Essentials Setup Host Interface is accessed by reading any of the numerous cFM2Device lt parameter gt properties It implements the IFM2Device interface The cFM2Listener object creates a cFM2Device object with every meter USB connect event cFM2Devices class An object class that manages a collection of cFM2Device objects for application code indexing The collection is managed internally within the cFM2Listener object cFM2Device objects are added to the collection with every meter USB connect event Items in the collection are searchable using the device index key cFM2Device objects are removed from the collection with every meter USB disconnect event The collection is passed to the cFM2Notify object with every meter USB connect or disconnect event First supply the callback object by writing code for the cFM2Notify class that implements IFM2DeviceEvents interface In the application code 1 Create a cFM2Listener object and obtain an IFM2Listener interface to it 2 Create the cFM2ScanUSBForChange and cFM2ScanForData objects 3 Create the cFM2Notify callback object 61 FieldMaxI TOP User Manual 4 Pass the callback object to the cFM2Listener object 5 Start the cFM2ScanUSBForChange object status change engine The following Visual Basic 6 0 code shows the steps Global declarations This is the private instance of the cFM2Lis
23. Timer ScanForData StopTimer Destroy the cFM2Notify callback object Set NotifyMe Nothing Destroy the cFM2ScanUSBForChange and cFM2ScanForData objects Set ScanForData Nothing Set ScanUSBForChange Nothing Destroy the cFM2Listener object and the reference to the IFM2Listener interface to it Set FieldMax2Listener Nothing Set ThisListener Nothing Teardown is an important cleanup function Failing to properly cleanup can result in memory leaks a hung application and other unexpected behavior Type Library The type information in this section was obtained using Details OLEView Additional explanations accompany each entry The type library entries that serve internal processing purposes only are not explained 71 FieldMaxI TOP User Manual Interface IFM2Listener Interface cFM2Listener Interface IFM2DeviceEvents method GetUSBDeviceStatusChange serves internal processing purposes only propget Devicelndex out retval short serves internal processing purposes only propget SerialNumber out retval BSTR Read only property to identify the serial number that pertains to a meter USB connect disconnect event propput DeviceHandle in long propget DeviceHandle out retval long serves internal processing purposes only propget DevicelsPresent out retval VARIANT_ BOOL Read only property that reflects the state of meter added or removed It is true 1f the meter is add
24. User Manual FieldMaxII TOPTM Laser Power Energy Meter gt COHERENT User Manual FieldMaxII TOP Laser Power Energy Meter COHERENT 7470 SW Bridgeport Rd Portland OR 97224 FieldMaxI TOP User Manual This document is copyrighted with all rights reserved Under the copyright laws this document may not be copied in whole or in part or reproduced in any other media without the express written permission of Coherent Inc Permitted copies must carry the same proprietary and copyright notices as were affixed to the original This exception does not allow copies to be made for others whether or not sold but all the material purchased may be sold given or loaned to another person Under the law copying includes translation into another language Coherent and the Coherent Logo are registered trademarks of Coherent Inc FieldMaxll TOP is a trademark of Coherent Inc Every effort has been made to ensure that the data given in this document is accurate The information figures tables specifications and schematics contained herein are subject to change without notice Coherent makes no warranty or representation either expressed or implied with respect to this document In no event will Coherent be liable for any direct indirect special incidental or consequential damages resulting from any defects in its documentation Technical Support In the U S Should you experience difficulties with your product or need
25. XXX Y pW 3 mW X Y YY mW 300 mW XXX Y mW 46 Operation Table 4 Full Scale Range Settings Watts Mode Continued FULL SCALE MEASUREMENT DISPLAY FORMAT The Range Hint annunciator displays the full scale range value with the engineering prefix and units omitted For example when the range is 30 kW the Range Hint annunciator displays 30 Note that it also displays 30 when the selected range is 30 W 30 mW 30 uW or 30 nW For more information about the Range Hint annun ciator refer to Range Hint on page 27 47 FieldMaxI TOP User Manual Pyroelectric Specific Information Internal Triggering Mode Information in this section pertains exclusively to pyro electric sensors If you are using a thermopile or optical sensor refer to Thermopile and Optical Specific Infor mation on page 50 For greatest accuracy and repeatability FieldMaxII TOP must trigger reliably for each laser pulse Internal trig gering refers to extracting an artificial trigger from the incoming signal To successfully extract an internally generated trigger set the meter range so that the incoming signal is at least 5 of the full scale Set the trigger level at least 2 above the noise level and at least 2 below the peak height For example with a peak height of 300 mJ set the meter to a range of 3 J A peak will occur at 10 of full scale well above the 5 level The trigger level should not be set
26. a conditions 30 Measurement display and range selection 44 E Energy and power measurements 41 Extended lifetime warranty 89 F Fault displays 29 Front panel overview 13 H Hz Button function 38 Display mode 50 I Internal triggering mode 48 Invalid and not available data conditions 30 Invalid data 41 FieldMaxII TOP User Manual J J W button function 38 L LCD display 15 Left and right arrows 40 Left side panel overview 18 Limited warranty 89 M Measurement display and range selection display 44 Meter modes Hz display 50 Internal triggering 48 N Negative power display 58 Not available data 30 O Overview AC adapter 20 Battery replacement 19 Front panel 13 Left side panel 18 Right side panel 17 P Power Jack connector 18 Switch and backlight toggle button 39 Product shipping instructions 93 Pulsed thermopile Joules mode 55 Pyroelectric specific information Hz display mode 50 Internal triggering mode 48 Q Quick Start Measuring average power with a pyroelectric sensor 6 Measuring energy with a pyroelectric sensor 8 Measuring energy with a thermopile sensor 9 Measuring power with a thermopile or optical sensor 7 R Range hint annunciator 27 Right side panel overview 17 S Sensor connector 17 Service 91 Setup parameters Area 34 Atten 37 Avg 36 Setup Local 31 Stat 33 TRIG 37 Wave 33 Setup Local button function 31 Specifications 95 Speedup 42 Stat button function 33 Stat
27. ailable wavelength range is 1 00 to 99 999 nm The actual range is sensor dependent If Wavelength compensation information is not programmed into the sensor you will not be able to change the wavelength data value This mode allows the measurement of laser energy in terms of fluence and laser power in terms of average power density Area calculation returns an average power density reading for both Flat and Gaussian profiles The parameter is entered as a diameter and assumes a circular beam or aperture The range for Area mode is 0 01 to 999 99 mm Pressing the Area button will Toggle the state of Area Correction mode if the button is pressed for less than one second Refer to Area Correction and Zeroing on page 35 for more information about Area Correction mode Enter Edit mode and select the beam diameter if Setup Local is pressed beforehand View the beam diameter if the button is pressed for one second or more 34 Area Correction and Zeroing Operation thermopile and optical sensors only It is important that you zero the sensor before using Area Correction as explained in the following proce dure 1 Enter Area Correction by pressing the Area button for less than one second 2 Set Auto Ranging by pressing the Auto button 3 Block the sensor beam 4 Allow the sensor to enter a steady cool down state If you are using a thermopile sensor this steady state can be determined b
28. al probe is attached to a TOP meter propget HertzMode out retval VARIANT BOOL The read only property indicating the frequency display mode This parameter has effect only when a pyroelectric probe is attached 82 Host Interface propget HoldMode out retval VARIANT BOOL The read only property indicating hold mode state This parameter has effect only with a TO meter propget LastData out retval double The read only property indicating the last measurement value This property is read in response to a Measure mentData event propget LastFault out retval short The read only property indicating the fault code of the last fault event This property is read in response to a Fault event The last fault code may be cleared by calling the DismissFault method propget LastPeriod out retval double The read only property indicating the last period value This property is meaningful only when a pyroelectric probe is attached Frequency in Hz is calculated as 125000 LastPeriod propget MaxRange out retval double The read only property indicating the maximum full scale range that the meter will accommodate This prop erty automatically varies as different probes are attached propget MaxWavelength out retval long The read only property indicating the maximum wave length that the meter will accommodate This property automatically varies as different probes are attached
29. annunciator reads TRIG in the triggered state and TRIG in the wait for trigger state There are two possible states when a thermopile sensor is attached and Joules mode is active integrating and wait for trigger The integrating state indicates that laser power is being integrated to produce a final energy measurement The wait for trigger state indicates the meter is waiting for a power pulse to integrate When the meter detects a power pulse trigger the integrating state becomes active and the wait for trigger state becomes inactive The integrating state persists until the power signal decays to the point where the tail energy can be predicted At that point the wait for trigger state becomes active and the integrating state becomes inactive The TRIG annunciator reads TRIG in the integrating state and TRIG in the wait for trigger state 54 Special Topics Pulsed for long pulsed lasers only When a thermopile sensor is attached the meter has the capability of measuring Th CEP ile energy from a finite duration laser pulse or from a series Joules Mode of finite duration laser pulses Thermopile sensors are typically used to measure laser power and have an extremely slow response time relative to the pulse width of the laser used to generate the power signal The power curve refer to Figure 17 is integrated from the pulse start to infinity The final energy value is algo rithmically calcul
30. ated shortly after peak power is attained Peak Power Algorithm integrates this area Joules Value Ready Trigger Point Pulse Start Figure 17 Measuring Energy Pulsed Thermopile Joules Mode There is no energy range in long pulse Joules mode The level of precision is based upon the range set in Power mode prior to entering Joules mode 55 FieldMaxIl TOP User Manual Pyroelectric Watts Mode Using an attached pyroelectric sensor FieldMaxII TOP can measure power from a series of pulses While the instrument is triggering power measured during each display interval appears in the numeric display as watts This is known as burst power see the following para graph At least two pulses must be captured in one display cycle approximately 1 3 second to calculate power If the instrument is not triggering a series of dashes indicating no power appears in the numeric display Burst power see Figure 18 refers to power in watts as computed by the sum of the energy pulses received in one display cycle approximately 1 3 second and the sum of the time intervals between those pulses The displayed value represents the power of a continuous stream of pulses that the burst represents 1 3 Second Display Interval gt Figure 18 Burst Power 56 Special Topics The first pulse is used to trigger the calculation and is discarded because its time interval t is indeterm
31. ation correction factor propget AttenuationCorrectionModeEnabled out retval VARIANT BOOL The read only property indicating the attenuation correction mode propget AutoRangingEnabled out retval VARIANT BOOL The read only property indicating the auto ranging mode 81 FieldMaxI TOP User Manual propget AverageModeEnabled out retval VARIANT BOOL The read only property indicating display smoothing mode propget AverageWindowSizePulses out retval short The read only property indicating display smoothing window size in pulses This property is meaningful only when a pyroelectric probe is attached to a TOP meter propget AverageWindowSizeSeconds out retval short The read only property indicating display smoothing window size in seconds This property is meaningful only when a thermopile or optical probe is attached to a TOP meter propget Backlight out retval VARIANT BOOL The read only property indicating the backlight state propget BatchRestartMode out retval short The read only property indicating batch restart mode propget BatchSizePulses out retval long The read only property indicating batch size in pulses This property is meaningful only when a pyroelectric probe is attached to a TOP meter propget BatchSizeSeconds out retval long The read only property indicating batch size in seconds This property is meaningful only when a thermopile or optic
32. c sensors Power Mode 3 nW to 300 kW thermopile sensors 3 nW to 300 kW optical sensors 3 nW to 300 kW pyroelectric sensors 1 Hz accuracy 300 Hz maximum 1 Hz resolution Window Size Avg parameter Thermopile or Optical sensor 1 to 60 seconds Pyroelectric sensor 2 to 99 999 pulses PHYSICAL CHARACTERISTICS Dimensions h x w x d approx 8 in 20 cm 4 in 10 cm 1 5 in 4 cm Display 58 x 73 mm fixed segment LCD with backlight Weight approx including batteries 1 1 1b 0 5 kg MISCELLANEOUS Regulations Met a Coherent recommends a Panasonic AM 3PI AA battery 97 FieldMaxI TOP User Manual 98 A AC adapter 20 Annunciator display functions 26 Area button function 34 Area correction and zeroing 35 ATTEN annunciator 28 Atten button function 37 AUTO annunciator 27 Auto button function 38 AVG annunciator 27 Avg button function 36 B Bad zero 38 BATTERY annunciator 28 Battery replacement 19 Button functions Area 34 Atten 37 Auto 38 Avg 36 Hz 38 J W 38 Left and right arrows 40 Power switch and backlight toggle button 39 Setup Local 31 Stat 33 Trig 37 Up and down arrows 40 Wave lambda 33 Zero 38 Index INDEX C Calibration 87 Coherent calibration facilities and capabilities 88 Connector Powerjack 18 Sensor 17 USB 17 D Digital tuning feature in statistics mode 58 Display functions Annunciators 26 Fault displays 29 Invalid and not available dat
33. ccnocinococonaconnnonnncnnncconocannnos 30 A re else 30 Not Available Data 222 a HR 30 Set p Parameters nee ers cette 31 Setup Locals reale 31 O 33 WM cs 33 O e a Me SR tale 34 Area Correction and Zeroing ccoooocnococonnnonnconncconacnnn cono ccnn cnica rociar 35 Veen 36 Allen o de doo e 37 A Reise la Bite duties Suse ae as 37 BUON Funelions ae O EE A E EARS 38 A E id deta A N A E EE 38 O unless ea tl 38 I ne ee else te 38 LI A A de 38 Power Switch and Backlight Toggle Button 39 Up and Down ALTOS 0 A Mass 40 Left and Right Arrows una es 40 Statistics Mode za nennen lenken 40 O a is atte E eae tee i tana Wad at oleae 41 vi Table of Contents Energy and Power Measurement u as 0n naeh 41 Measurement Display and Range Selection uuseenennneenneenn 44 Pyroelectric Specific Informations ke 48 Internal Triggering Mode aan eu 48 Hz Display Mode rca ak 50 Manual Ranging Mode u 0er 50 Thermopile and Optical Specific Information eenseneseesneenn 50 Auto vs Manual Ranging Mode is 50 PENIS er E A A A E ENE 51 Special Topics a nee 53 Trigger States and the Trigger Annunceiator ueessesseesseseenseneennnennenn 53 Pulsed Thermopile Joules Mode aussen 55 Pyroelectric Watts Mode A ee Belle 56 Negative Power Displaya an ss eur 58 Digital Tuning Feature Use in Statistics Mode uursnseeseesenneennenn 58 ActiveX Installation Zap 58 USB Driver Installation u
34. cies may be displayed when a pyroelectric sensor is attached to the meter For more information refer to Hz on page 38 thermopile or optical sensors only Manual ranging requires the user to select the range For more informa tion about manual ranging refer to Up and Down Arrows on page 40 Information in this section pertains exclusively to ther mopile and optical sensors If you are using a pyroelec tric sensor refer to Pyroelectric Specific Information on page 48 Auto Ranging Auto enables FieldMaxII TOP to auto matically select the range gain when a thermopile or optical sensor is attached to the meter While in Auto 50 Zeroing Operation Ranging mode the tuning needles represent a zero to full scale movement as compared to Tuning mode where the zones overlap Refer to Figure 16 Tuning Needles III Figure 16 Auto Ranging Manual ranging requires the range to be selected by the user For more information refer to Up and Down Arrows on page 40 Thermopile and optical sensors require periodic zeroing Zeroing occurs when a meter attempts to null out any signal coming from the sensor and establish a zero power baseline If Auto Ranging is active the sensor is zeroed for every available range If Auto Ranging is not active the sensor is zeroed at the current range only Under typical operating conditions the zero procedure takes about one second for each range 51
35. double CommandOption The method to set the attenuation correction factor Valid CommandOption values range from 0 01 to 999 99 method AttenuationCorrectionModeEnabledCommand in VARIANT _ BOOL CommandOption The method to enable or disable attenuation correction mode Valid CommandOption values are O for disabled and non zero for enabled method AutoRangingEnabledCommand in VARIANT _ BOOL CommandOption The method to enable or disable auto ranging mode Valid CommandOption values are 0 for disabled and non zero for enabled method AverageModeEnabledCommand in VARIANT_BOOL CommandOption The method to enable or disable display smoothing mode Valid CommandOption values are O for disabled and non zero for enabled 76 Host Interface method Average WindowSizePulsesCommand in short CommandOption The method to set the display smoothing window size in pulses This parameter has effect only when a pyro electric probe is attached to a TOP meter Valid CommandOption values range from 2 to 1000 method Average WindowSizeSecondsCommand in short CommandOption The method to set the display smoothing window size in seconds This parameter has effect only when a ther mopile or optical probe is attached to a TOP meter Valid CommandOption values range from to 60 method BacklightCommand in VARIANT BOOL CommandOption The method to turn on or off the backlight Valid CommandOption values are 0 for off and non
36. e The RMT annunciator indicates that the FieldMaxlI meter is currently in Remote Control mode Remote Control is discussed under Setup Local on page 31 The Battery annunciator flashes whenever gt the batteries need to be replaced The Battery annunciator only appears when the meter is running on battery power not the AC adapter 28 Operation Fault Displays FieldMaxIl TOP is capable of detecting internal and user induced faults When a fault is detected the letters Er followed by a numeric fault code see Table 1 appear on the display You can dismiss a fault code by pressing any button or by correcting the cause of the fault Table 1 Fault Codes Sensor firmware version mismatch sensor format version exceeds capability ofthe instru ment firmware firmware upgrade needed Hardware fault detectable hardware error Data overflow result of an arithmetic opera tion that is greater than can be held in the allo cated storage Wrong type of sensor is attached to the instru ment CCT CI a For more information about the bad zero fault code refer to Zero on page 38 29 FieldMaxI TOP User Manual Invalid and Not Available Data Conditions Invalid Data Not Available Data As an example Er 4 appears on the display if there is a sensor error You can dismiss the fault by removing the sensor from the meter or by pressing any button Attaching
37. e coherent com 49 6071 9680 971 327 2777 info_service coherent com 971 327 2700 971 327 2777 info_service coherent com 92 Product Shipping Instructions Calibration and Warranty To prepare the product for shipping to Coherent l Contact Coherent Customer Service refer to Table 5 on page 92 for a Return Material Authori zation number Attach a tag to the product that includes the name and address of the owner the person to contact the serial number and the RMA number you received from Coherent Customer Service Wrap the product with polyethylene sheeting or equivalent material If the original packing material and carton are not available obtain a corrugated cardboard shipping carton with inside dimensions that are at least 6 in 15 cm taller wider and deeper than the product The shipping carton must be constructed of card board with a minimum of 375 lb 170 kg test strength Cushion the instrument in the shipping carton with packing material or urethane foam on all sides between the carton and the product Allow 3 in 7 5 cm on all sides top and bottom Seat the shipping carton with shipping tape or an industrial stapler Ship the product to Coherent Inc 7470 SW Bridgeport Rd Portland OR 97224 Attn RMA add the RMA number you received from Coherent Customer Service 93 FieldMaxI TOP User Manual 94 Appendix A Specifications APPENDIX A SPECIFICATIONS Table 6 list
38. ecimal point located in a fixed posi tion as determined by the current range Typically if a reading exceeds the 3 s limit the instrument is over ranged or in the case of Auto Ranging the instrument will automatically range up 44 Operation Over ranging refers to a meter setup condition in which the sensor output signal is greater than the maximum allowable level for the selected range An OL over load appearing on the display signifies an over range condition Over ranging generates invalid data Table 3 indicates the display format for different full scale range settings when in Joules mode Table 3 Full Scale Range Settings Joules Mode 45 FieldMaxI TOP User Manual When area correction is enabled in Joules or Watts mode a cm will be appended to the units The Range Hint annunciator displays the full scale range value with the engineering prefix and units omitted For example when the range is 30 J the Range Hint annun ciator displays 30 Note that it also displays 30 when the selected range is 30 mJ 30 uJ or 30 nJ For more information about the Range Hint annunciator refer to Range Hint on page 27 Table 4 indicates the display format for different full scale range settings when in Watts mode Table 4 Full Scale Range Settings Watts Mode FULL SCALE MEASUREMENT DISPLAY FORMAT 3nW X Y YY nW 300 nW XXX Y nW 3 uW X YYY pW 30 uW XX YY pW 300 uW
39. ed connected and false if the meter is removed disconnected propget DevicesList out retval crM2Devices Read only property a collection type that holds the list of all connected meters propput DeviceEvents in IFM2DeviceEvents rhs Write only property used to pass the callback object to the listener method DisplayErrorToClient The callback method that dispatches errors Errors are described in text with the CallbackMessage property 72 Host Interface method NotifyData in IFM2DeviceEvents Callback Data The data event callback method Notification details are found in the CallbackData properties passed into the method method NotifyDeviceStatus in IFM2DeviceEvents CallbackData in eFM2Devices DevicesList The meter USB connect disconnect event callback method Notification details are found in the Callback Data properties passed into the method The device list which is updated with every callback contains the current list of connected meters method DisplayZeroDeviceProgress ToClient The zero progress callback method Zero status events are dispatched once per second while zeroing is in progress to permit the application code to monitor progress The CallbackMessage string is a text description of the callback event The ZeroDeviceTime outCounter integer is a countdown value that starts at 60 and decrements by one for each event When zero completes the terminal value for ZeroDeviceTi
40. erating a Coherent product with any of its interlocks defeated is always at the operator s risk 111 FieldMaxI TOP User Manual iv Table of Contents TABLE OF CONTENTS Preisen E ac xi Software LA O ii xi U S Export Control Laws Compliance ooooooccnocccooccnoncconoconnconn nono noconocnncconnno xi Publication Updates u libr xii Symbols Used in This Docente ira xii A a Lu a ee 1 Declaration of Conformity ua ii 3 Quick Start 23 228 een 5 Measuring Average Power With a Pyroelectric Sensor 6 Measuring Power With a Thermopile or Optical Sensor 7 Measuring Energy With a Pyroelectric Sensor 8 Measuring Energy With a Thermopile Sensor 9 Description en sea ee an 11 TS 13 BUON ss 4 2 a 14 Display ante ee nee 15 Richt Side Panel nase lan A ler 17 USB Eonnetler an Massa nenne 17 A eta ca otal eee me odd a erate etek 17 EStdt tla at ea 18 Analog Out CONMECIOR cortita lalala tdi latas 18 Power Jack Connector aii ha In 18 Battery Replacement dd neue 19 AL Adapter A ds een 20 OPE OA else 21 T ning Mode A ans Antes A a de 22 FieldMaxI TOP User Manual Tuning Needl s issau iain isos eta 23 Zone Indicator DSi 24 Annunciato Sesia a a e 26 LE e ee 26 TRIG een Ben Rinde 27 AUTO nioena oinen a E E O r a aa 27 Range Hintern 2T NO es 21 A A ccuigca R OE cdcuaceal 28 o svcd ae rece o de 28 A se ee A A E A E AAA IERES EART 28 Fault Displays nenau Bien 29 Invalid and Not Available Data Conditions ooooooc
41. ertz measurement values Data entry units Hertz units and current parameter units For detailed information about these settings refer to Button Functions on page 38 16 Description Right Side The right side panel contains the USB and Sensor Panel connectors refer to Figure 7 USB Connector Figure 7 Right Side Panel USB Connector Attaching the cable shipped with the meter to this standard USB connector allows communication between FieldMaxII TOP and a computer with a USB interface Sensor Use this connection to attach a DB 25 SmartProbe Connector connector or adapter 17 FieldMaxII TOP User Manual Left Side Panel Analog Out Connector Power Jack Connector The left side panel contains the Analog Out and Power Jack connectors refer to Figure 8 Analog Out Connector Power Jack Connector Figure 8 Left Side Panel When power is on the Analog Out connector outputs a voltage proportional to the current laser measurement The output voltage is zero 0 volts when the measured energy or power is zero 0 or less The output voltage is the full scale output voltage when the measured energy or power is full scale or overranged The full scale output voltage 1V 2V or 5V is selected via the host interface Factory default full scale output voltage is 2V Connect the supplied power cord to this jack 18 Battery Replacement Description FieldMaxIl TOP uses six 1 5V alkaline bat
42. exing into the DevicesList collection through the DevicesList Item search method using the string version of Callback Data Devicelndex as the search key The data check timer must be started for the new devices list when a meter is added The following Visual Basic 6 0 code shows how to obtain reference to the cFM2Device object and start the data check timer when a meter is added Dim ThisDevice As IFM2Device Executable code Get the current device from the collection Set ThisDevice m DevicesList Item CallbackData DeviceIndex 65 FieldMaxI TOP User Manual Start the data check timer ScanForData CheckTimer m_DevicesList Data Transmission Notifications The device and device collection object may be persisted to extend the lifetime of these objects beyond the scope of the callback When a meter is removed the DevicesList will be current but the CallbackData DeviceIndex search key will not be valid since the device is gone Data transmission notifications are dispatched to the application code through the IFM2DeviceEvents _ NotifyData callback method The CallbackData object is passed to the application Data transmission types are steered by testing the CallbackData CallbackEvent string The CallbackEvent string will be one of the following Fault ProbeRemoved ProbeAdded PowerOn PowerOff MeasurementData e PacketlsOverrange
43. higher than 8 If the noise level is 5 of full scale approximately 150 mJ the trigger level should not be set lower than 7 48 Operation In the example shown in Figure 15 the internal trigger threshold has been set to 8 shown as a dashed line Pulse A will definitely not generate a reliable trigger Pulse B may generate a trigger but not reliably Pulses C and D will definitely generate reliable triggers Definitely will not trigger May trigger but not reliable Definitely will trigger 15 10 8 Trigger Level 5 Figure 15 Internal Trigger Threshold A full scale signal on one range may not trigger on the next higher range unless the trigger level is set to less than 10 For example a near full scale signal of 280 mJ on the 300 mJ range is less than 10 of full scale on the next higher range 3 J and would therefore not trigger the reading To obtain reliable triggering in this instance adjust the trigger level to less than 8 49 FieldMaxI TOP User Manual Hz Display Mode Manual Ranging Mode Thermopile and Optical Specific Information Auto vs Manual Ranging Mode The trigger is synchronous with the leading edge of the pulse but the actual peak is determined algorithmically by sampling the input signal near the trigger From the trigger point forward the algorithm searches for peaks and from the trigger point back it searches for a baseline If desired pulse frequen
44. i nate When n 0 power is zero This situation occurs when only one pulse is received in a display period for example interval B in Figure 19 To offset this limita tion a laser pulse rate of at least 6 Hz is required for burst power measurements A B C l Display Update Intervals Figure 19 Burst Power Limitations Another limitation occurs on multiple bursts interval C in Figure 19 If there are two or more bursts in any display interval the gap between bursts will appear as lower power and the display will be affected accord ingly 57 FieldMaxI TOP User Manual Negative Power Display Digital Tuning Feature Use in Statistics Mode ActiveX Installation USB Driver Installation A negative power reading indicates the sensor needs to be zeroed Two areas of the display are affected by a negative power reading the digital tuning feature and the numeric measurement display The digital tuning feature always displays the absolute value of measured power If the power is negative the minus sign segment is turned on The inertia of a mechanical meter will be mimicked for negative as well as positive power readings The tuning needles and zone indicator bars are not present in Statistics mode Included with the software is an ActiveX server DLL that enables a programmer to quickly and efficiently communicate with FieldMaxIl This ActiveX server DLL and its accompanying tutorial are shipped
45. ion Do not exceed the power energy density limits of the sensor FieldMaxII TOP User Manual Measurin g The following figure shows how to set up a pyroelectric Averag e sensor to take an average power measurement Power With a Pyroelectric Sensor Connect a pyroelectric sensor to the 25 pin connector Note If your sensor has a BNC plug you will need to attach a 25 pin adapter indicates Joules mode If Joules mode is currently lindicates Watts mode selected press the J W button to select Watts mode Press either the Up or Down arrow to manually select the range Note Auto Range is not available for this type of sensor Adjust the trigger threshold from 2 to 20 of range Make sure the trigger threshold is set below the energy you plan to measure Take the measurement and observe the result on the display Figure 1 Measuring Average Power With a Pyroelectric Sensor Quick Start Measuring The following figure describes how to take a power Power With a measurement using a thermopile or optical sensor Thermopile or Optical Sensor Connect a thermopile or optical sensor to the 25 pin connector If Joules mode is currently selected press the J W button to select Watts mode indicates Joules mode indicates Watts mode Press the Auto button to Block the beam and then turn on Auto Range press the Zero button to set the baseline for your new measurement Unblock the
46. ion values are 0 for disabled and non zero for enabled method SpeedupMeterCommand in VARIANT BOOL CommandOption The method to enable or disable application of ther mopile speedup to the simulated analog meter Valid CommandOption values are 0 for disabled and non zero for enabled method StatisticsModeCommand in short Command Option The method to set the statistics mode Valid Comman dOption values follow the Visual Basic 6 0 enumeration of StatisticsMode tou oul ool method TriggerLevelCommand in short Command Option The method to set the pulse trigger level in percent This parameter has effect only when a pyroelectric probe is attached Valid CommandOption values range from 2 to 20 80 Host Interface method WavelengthCommand in long Command Option The method to set the wavelength of operation for wave length correction Valid CommandOption values range from the MinRange property to the MaxRange property propget AnalogOutFullscaleVoltage out retval short The read only property indicating the analog out fullscale voltage propget AreaCorrectionDiameter out retval double The read only property indicating the area correction diameter propget AreaCorrectionEnabled out retval VARIANT BOOL The read only property indicating the state of area correction mode propget AttenuationCorrectionFactor out retval double The read only property indicating the attenu
47. istics mode 40 and digital tuning feature 58 and invalid data 41 T Temperature annunciator 26 TRIG annunciator 27 Trig button function 37 TRIG annunciator 27 Trigger states and the trigger annunciator 53 Tuning Mode 22 Needles 23 U Up and down arrows 40 USB connector 17 W Warranty Extended lifetime 89 Limitations 90 Limited 89 Wave lambda button function Z Zero Bad 38 Button function 38 Zone indicator bars 24 33 101 Index FieldMaxII TOP User Manual 102 FieldMaxII TOP User Manual TM Coherent Inc 10 2005 Printed in the U S A Part No 1086235 Rev AB
48. meout Counter will be 0 or O indicates a successful comple tion indicates a failure propput CallbackEvent in BSTR propget CallbackEvent out retval BSTR The string property that identifies the event type propput CallbackMessage in BSTR propget CallbackMessage out retval BSTR The string property that identifies additional event information 73 FieldMaxI TOP User Manual Interface cFM2ScanUSBFor Change Interface cFM2ScanForData propput Devicelndex in short propget Devicelndex out retval short The device index property that is used to index into the DevicesList collection to locate device objects propput SerialNumber in BSTR propget SerialNumber out retval BSTR The property to identify the serial number that pertains to an event propput ZeroDeviceTimeoutCounter in short rhs A write only property used to enable the application to store the zero countdown timer method CheckTimer in out IFM2Listener This Listener The method to start the engine for detecting meter USB connect and disconnect events method StopTimer The method to stop the engine for detecting meter USB connect and disconnect events method CheckTimer in out cEM2Devices DevicesList The method to start the engine for detecting data events method StopTimer The method to stop the engine for detecting data events 74 Interface IFM2Device Host Interface
49. ndling callbacks Implements IFM2DeviceEvents Private m_CallbackEvent As String Private m_CallbackMessage As String Private m_Devicelndex As Integer Private m_SerialNumber As String Private m_ZeroDeviceTimeoutCounter As Integer Methods Private Sub IFM2DeviceEvents DisplayErrorToClient Steer the m_CallbackEvent string to the appropriate application code error handler End Sub Private Sub IFM2DeviceEvents NotifyData _ ByVal CallbackData As IFM2DeviceEvents Steer the CallbackData object to the appropriate application data event handler End Sub Private Sub IFM2DeviceEvents NotifyDeviceStatus _ ByVal CallbackData As IFM2DeviceEvents ByVal DevicesList As cFM2Devices frmMain NotifyDeviceStatus CallbackData DevicesList Steer the CallbackData and DevicesList objects to the appropriate application status event handler End Sub 63 FieldMaxII TOP User Manual Private Sub IFM2DeviceEvents DisplayZeroDeviceProgressToClient Steer the m_CallbackMessage string and m ZeroDeviceTimeoutCounter integer to the appropriate application code error handler End Sub Read write properties Private Property Let IFM2DeviceEvents CallbackEvent _ ByVal RHS As String m_CallbackEvent RHS End Property Private Property Get IFM2DeviceEvents CallbackEvent As String IFM2DeviceEvents CallbackEvent m CallbackEvent End Property Private Property Let IFM2DeviceEvents CallbackMessagel _
50. notifications to the application code Notifications are permitted by means of a user imple mented callback object that is passed to this object It implements the IFM2Listener interface One cFM2Listener object is needed to manage all meters with which the program will communicate cFM2ScanUSBForChange class An object class that is the engine for capturing meter USB connect and discon nect status changes The cFM2Listener object is passed to this object to provide a means of sending USB connection status changes to the application code via the listener One CFM2ScanUSBForChange object is needed to manage all meters with which the program will communicate cFM2ScanForData class An object class that is the engine for capturing meter data transmissions One cFM2ScanForData object is needed to manage all meters with which the program will communicate cFM2Notify class A callback object that implements the IFM2DeviceEvents interface The application code is responsible for providing the code and instantiating this object that is implementing the class and instantiating the class object All status change events and data trans missions are channeled through this object to the appli cation code One cFM2Notify object is needed for all meters with which the program will communicate cFM2Device class An object class that abstracts configuration and status access to a meter Configuration is accessed by calling any of the numerous cF
51. ombination of wavelength power and operating characteristics Sensors are calibrated against NIST traceable working standard sensors which are in turn calibrated against NIST calibrated golden standard sensors These working and golden standards are maintained with the utmost care recalibrated annually and verified even more regu larly We maintain multiple NIST calibrated standards at many laser wavelengths to support the growing calibra tion needs of our customers Optical calibration is a core competency at Coherent and we strive to continually improve our methods precision and repeatability Addi tionally most of the calibrations are performed with highly automated systems thus reducing the possibility of human error to nearly zero Strict quality inspections during many stages of calibration and testing assure a precise and accurate instrument that is NIST traceable and CE marked The benefit to our customers is that instruments calibrated by Coherent will consistently perform as expected under their actual use conditions We are a registered ISO 9001 2000 company our prod ucts are NIST traceable and our calibration labs are fully ANSI Z540 compliant In addition to the technological advantage we also strive to deliver the best service in the industry with a knowl edgeable and responsive staff and rapid turnaround 88 Limited Warranty Extended Lifetime Warranty Calibration and Warranty Coherent Inc the
52. ons serve a dual purpose When Edit mode is active the buttons are used to adjust the currently selected edit field When Edit mode is not active the buttons are used to select the measurement range and automatically cancel Auto Range mode if Auto Range mode is active This button pair has a dual purpose When the Edit mode is active the buttons allow you to select the edit field of the currently selected edit parameter When the Edit mode is not active and Statis tics mode is active the buttons are used to select the statistical parameter of interest MAX MIN MEAN or STDV These buttons are nonfunctional when Edit mode and Statistics mode are not active FieldMaxII TOP can be configured to display statistical data instead of instantaneous measurements Statistical data for a pyroelectric sensor is generated on a pulse by pulse basis Using a thermopile or optical sensor statis tical data is generated over time An exception to the above statement When using a thermopile sensor with the instrument in Joules mode energy is measured as integrated power from individual laser pulses 40 Invalid Data Energy and Power Measure ments Operation Selecting Auto mode restarts the batch count used to take areading Ifthe instrument is not in Auto mode the batch count must be manually restarted by pressing the Zero button Pressing and holding the Stat button displays the current instrument mode Auto or Manual
53. r AVG button Edit mode is entered and the parameter for the applicable button may be edited using the edit buttons Additional presses of the Setup Local button without first pressing an edit parameter button are ignored If a parameter has not been selected pressing the Setup Local button cancels an edit cycle If Edit mode is active and a parameter has been selected pressing the Setup Local button commits the adjusted edit parameter to the instrument 31 FieldMaxII TOP User Manual 4 Setup Local is used to cancel the front panel lockout when Remote Control is active Remote Control is active when the instrument is connected to a host computer via a USB connection and is communicating with a host application program While the instrument is in Remote Control mode all front panel buttons except Power Back light and Setup Local are disabled Pressing the Setup Local button while in Remote Control mode cancels Remote Control and returns the instrument to Local all instrument functions available mode The Setup Local button is also used to edit user defined parameters Pressing this button initiates a parameter edit cycle A parameter edit cycle consists of Pressing the Setup Local button to begin the cycle Pressing the parameter button Stat Wave A Area Avg Atten or Trig that needs to be edited If an edit cycle has been initiated successive presses of the same edit parameter button will be igno
54. rchaser and is not transfer able 89 FieldMaxI TOP User Manual Warranty Limitations If the Product is not returned for recalibration or service prior to the one year anniversary the lifetime warranty program expires The lifetime warranty program may be reinstated at Coherent s option after completion of a fee based product evaluation and repair and subsequent recalibration and recertification service The foregoing warranties shall not apply and Coherent reserves the right to refuse warranty service should malfunction or failure result from a Damage caused by improper installation handling or use Laser damage including sensor elements damaged beyond repair Failure to follow recommended maintenance procedures Unauthorized product modification or repair Operation outside the environmental specifications of the product Coherent assumes no liability for Customer supplied material returned with Products for warranty service or recalibration THIS WARRANTY IS EXCLUSIVE IN LIEU OF ALL OTHER WARRANTIES WHETHER WRITTEN ORAL OR IMPLIED COHERENT SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL 90 Obtaining Service Calibration and Warranty THE COMPANY BE LIABLE FOR ANY INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH ITS PRODUCTS In order to obtain service under this warranty Customer must no
55. red e Using the arrow buttons to select the appropriate field and adjust the data value Pressing the Setup Local button a second time to end the cycle and commit the new data value 32 Stat Wave Operation Pressing the Stat button will A Enter Statistics mode if Statistics mode is not active and the button is pressed for less than two seconds Exit Statistics mode Enter Edit mode and select the statistics parameters to be edited Batch Size and Restart mode after edit cycle initiation if Setup Local is pressed beforehand Batch size is 2 to 99 999 pulses ther mopile sensors in Joules mode or pyroelectric sensors or 1 to 99 999 seconds thermopile sensors in Watts mode or optical sensors View the statistics parameters if the button is pressed for two seconds or more You can configure FieldMaxII TOP to automati cally account for any difference between the laser wavelength and the calibration wavelength In the case of optical sensors this compensation is necessary because the sensor contains calibration data from a number of different wavelengths Thermopile and optical sensors include wavelength compensation infor mation that is used in this mode After pressing Setup Local the Wave button is used to enter Edit mode and set the wavelength If an edit cycle has not been initiated pressing the Wave button will 33 FieldMaxI TOP User Manual Area display the wavelength value The av
56. s specifications for the FieldMaxII TOP Table 6 Specifications PARAMETER DESCRIPTION Analog Output 1 2 or 5V full scale user adjustable 100 ohm source impedance Battery Operating Time approx Six 1 5V AA alkaline batteries Continuous measurements in Pyroelectric 24 hr mode Continuous measurements in Thermopile or Optical mode with passive sensor Shelf life when not used Digital Output USB 1 1 Digital Tuning Needle 100 mS tau 20 Hz update rate Instrument Power Six 1 5V AA alkaline batteries or 90 to 260 VAC 50 60 Hz AC Pyroelectric Input maximum voltage input 18V Internal Trigger 2 to 20 full scale selectable 95 FieldMaxII TOP User Manual Table 6 Specifications Continued lt 12 000 m storage Relative Humidity lt 90 5 to 40 C operating lt 95 0 to 70 C storage Temperature 5 to 40 C operating 20 to 70 C storage Area Parameter entered as a diameter 0 01 to 999 99 mm Attenuation Attenuation parameter 0 01 to 999 99 Batch Size Statistics parameter Thermopile sensor in watts mode or optical 1 to 99 999 seconds sensor Thermopile sensor in joules mode or pyro 2 to 99 999 pulses electric sensor 96 Appendix A Specifications Table 6 Specifications Continued PARAMETER DESCRIPTION Measurement Range full scale sensor depen dent Energy Mode 3 nJ to 300 kJ thermopile sensors long pulse 3 nJ to 300 kJ pyroelectri
57. sed to identify the meter serial number method Item in out BSTR IndexKey out retval IFM2Device The method used to search for device objects from the collection The key is the string version of the device index for example if the device index is 3 IndexKey will be 3 propget Count out retval long The read only property indicating the number of entries in the collection 86 Calibration and Warranty CALIBRATION AND WARRANTY Calibration This section discusses the following topics Calibration this page Coherent calibration facilities and capabilities page 88 Limited warranty page 89 Extended lifetime warranty page 89 Warranty limitations page 90 Obtaining service page 91 Product shipping instructions page 93 Coherent laser power and energy meters are precision instruments capable of delivering very accurate measurements as well as providing many years of useful service To maintain this high level of performance it is important to have your measurement system serviced and recalibrated once a year 87 FieldMaxII TOP User Manual Coherent Calibration Facilities and Capabilities As the largest laser manufacturer in the world Coherent has been able to build state of the art calibration facili ties containing the widest possible range of laser types and technologies This enables us to perform instrument and sensor calibration under virtually any c
58. sensor When a zero procedure is in process no other button events are queued or activated 38 Power Switch and Backlight Toggle Button Operation until the procedure ends The zero procedure is immedi ately terminated if the sensor is disconnected or if an error is encountered Normally the Zero button is pressed with the laser blocked from the connected sensor If a finite power level is present at the sensor the instrument will attempt to null it out A bad zero fault code appears if a given power input is too large to null on the sensitive ranges If the bad zero fault code appears A Press any soft button to dismiss the error s Select a new range Press the Zero button The secondary function of the Zero button is to manually start a batch while in Statistics mode The combination Power Switch and Backlight a Toggle button serves the dual purpose of turning power on off to the meter and toggling the backlight a When the meter is off the power on state is acti vated by pressing the button for one second Pressing the button for one second while in the power on state turns the meter off g When the meter is in the power on state the back light state is toggled by pressing the button for less than one second s The backlight is always off when power is first applied to the meter 39 FieldMaxIl TOP User Manual Up and Down Arrows Left and Right Arrows Statistics Mode A These butt
59. surement Control and Laboratory Equipment to include the following test specfications as of June 2005 ENS5011 Coss 4 Radlated Emissions ENS5011 Case A Conducted Emissions ENS1000 3 2 Powerline Harmonics Performance Criteria A ENS1000 3 3 Powerline Voltage Fluctuation and Flicker Performance Criteria A ENS10004 2 Electrostatic Discharge Performance Criteria Ur rar respond to an ESO mari bai will reir a poral Ph weer mer vent EN51000 4 3 Radlated Immunity Performance Oriteria A ENG1000 44 Electrical Fast Transient Dnmunity Performance Criteria A ERS10 4 5 Electrical Slow Transient Immunity Performance Criteria 4 ENSI006 46 Conducted AF Immunity Performance Criteria A ENG1000 4 11 Power Line Dropout Performance Criteria A E ANU pee 3 3 los Director of Engineering deve N And Date _ 1 05 Colermi ine Page I of J FieldMaxI TOP User Manual Quick Start QUICK START This section presents a series of mini tutorials that explains how to connect a sensor to your Field MaxIl TOP meter and begin taking measurements within minutes For in depth information about the procedures introduced in this section refer to Opera tion on page 21 Follow all laser safety procedures The laser must be blocked or switched OFF before beginning any of the procedures described in this section Power to the Field Maxll TOP instrument must be OFF before beginning any of the procedures described in this sect
60. tener class Dim FieldMax2Listener As cFM2Listener This points to the cFM2Listener object s IFM2Listener interface Dim ThisListener As IFM2Listener Timer objects Dim ScanUSBForChange As cFM2ScanUSBForChange Dim ScanForData As cFM2ScanForData Callback sink receives event notifications Dim NotifyMe As cFM2Notify Executable code Create a cFM2Listener object and obtain an IFM2Listener interface to it Set FieldMax2Listener New cFM2Listener Set ThisListener FieldMax2Listener Create the cFM2ScanUSBForChange and cFM2ScanForData objects Set ScanUSBForChange New cFM2ScanUSBForChange Set ScanForData New cFM2ScanForData Create the cFM2Notify callback object Set NotifyMe New cFM2Notify Pass the callback object to the cFM2Listener object FieldMax2Listener DeviceEvents NotifyMe Start the cFM2ScanUSBForChange object status change engine ScanUSBForChange CheckTimer ThisListener 62 Host Interface The Callback The callback object code supplied by the application Object code must completely conform to the cFM2Notify class definition and must implement the IFM2DeviceEvents interface All status change events and data transmissions are channeled through this object to the application code The code within this object will steer data and events as required by the designer The following Visual Basic 6 0 code provides the minimal framework in the implementation of cFM2Notify for ha
61. teries or a 90 to 260 VAC 50 60 Hz AC adapter refer to AC Adapter on page 20 for more information Figure 9 illustrates how to replace the batteries An optional rechargeable battery pack is also avail able for FieldMaxIl TOP Visit our website www Coherent com or contact a Coherent repre sentative for more information see Table 5 Coherent Service Centers on page 92 for contact information O Lay the meter face down on a N flat surface and open the stand HHO Ceo Loosen the screw that secures the battery cover to the meter E Take off the battery cover Replace the old batteries and then put back the battery cover tightening the screw to secure it to the meter Figure 9 Battery Replacement 19 FieldMaxI TOP User Manual AC Adapter Using an AC adapter prolongs battery life Field MaxIl TOP automatically senses when an adapter is used When batteries rather than an adapter are used the Battery annunciator flashes if the battery charge is low While in battery operation ifa sensor is not connected to the meter power is automatically turned off after ten minutes 20 Operation OPERATION This section discusses the following topics Tuning mode page 22 Annunciators page 26 Fault displays page 29 Invalid and not available data conditions page 30 Setup parameters page 31 Button functions
62. the J W button to select Joules f your new measurement mode The Range Up and Down Q Q arrows Zero button and Auto button Gconeren should not be used from this point on a If an overrange error occurs the range must be adjusted by returning to the Watts mode When FieldMax II TOP is prepared for the first measurement the TRIG annunciator displays at the top of the screen The TRIG annunciator displays during the measurement showing that the meter is currently integrating the reading The Zero button should not be pressed between measurements Expose the sensor to a laser pulse take the measurement and observe the result on the display Figure 4 Measuring Energy With a Thermopile Sensor FieldMaxI TOP User Manual 10 Description DESCRIPTION Thank you for purchasing the FieldMaxIl TOPTM a versatile easy to use digital power energy meter designed for field service and production applications This section discusses the following topics Front panel page 13 Right side panel page 17 Left side panel page 18 There are also instructions on how to replace the alkaline batteries page 19 and a brief overview of the AC adapter page 20 Here is a list of specific features included in your Field MaxII TOP meter 73 x 58 mm backlit LCD display e Fastand effective laser tuning mode Works with thermopile pyroelectric and optical sensors Measures energy up to 300 pps
63. the numeric measurements As with energy measurements there are slight variations in the user interface depending on which type of sensor you are using 42 Operation Table 2 describes the measured information on the numeric display for various sensor types and mode settings Table 2 Numeric Display Information SENSOR TYPE J MODE W MODE Thermopile Energy from a laser pulse by CW and average power integrating power e Meter and Range Hint unavailable e Auto Range disabled Statistics mode MAX MIN Statistics mode MAX MIN MEAN MEAN Optical Function not available Statistics mode MAX MIN MEAN Pyroelectric Energy per pulse e Average power delivered by repeating pulses e Range Hint unavailable Statistics mode MAX MIN Statistics mode MEAN MEAN STDV a In this mode standard deviation is only available if the batch size is 200 or less 43 FieldMaxI TOP User Manual Measurement Display and Range Selection The display update rate for numeric measurement is three times per second Measurement range is selected in decade steps Range selection shown in Table 3 on page 45 and Table 4 on page 46 is dependent on the sensor type and character istics as well as user determined measurement settings FieldMaxII TOP uses the 35 Rule a display format ting rule in which the display value is not allowed to exceed 3 30 or 300 depending on where the decimal point falls with the d
64. tify the Company of the defect before the expira tion of the warranty period and make suitable arrange ments for the performance of service The Company shall in its sole discretion determine whether to perform warranty service at the Customer s facility at the Company s facility or at an authorized repair station If Customer is directed by the Company to ship the product to the Company or a repair station Customer shall package the product to protect from damage during shipping and ship it to the address specified by the Company shipping prepaid The customer shall pay the cost of shipping the Product back to the Customer in conjunction with annual recalibration and repair the Company shall pay the cost of shipping the Product back to the Customer in conjunction with product failures within the first twelve months of time of sale or between annual recalibrations A Returned Material Authorization number RMA assigned by the Company must be included on the outside of all shipping packages and containers Items returned without an RMA number are subject to return to the sender For the latest Customer Service information refer to our website www coherent com 91 FieldMaxII TOP User Manual Detailed instructions on how to prepare a product for shipping are shown under Product Shipping Instruc tions on page 93 Table 5 Coherent Service Centers LOCATION PHONE FAX E MAIL USA 1 800 343 4912 971 327 2777 info_servic
65. to the presence of important operating and maintenance instructions xii Safety SAFETY Carefully review the following safety information to avoid personal injury and to prevent damage to this meter or any sensor connected to it Except for replace able batteries discussed under Battery Replacement on page 19 there are no user serviceable parts in the FieldMaxII TOP meter For service information refer to Obtaining Service on page 91 Use only the power cord specified for the meter The grounding conductor of the cord must be connected to earth ground Do not operate the meter if its panels are removed or any of the interior circuitry is exposed Do not operate the meter in wet or damp conditions or in an explosive atmosphere FieldMaxIl TOP User Manual Operate the meter only within the specified voltage range Do not apply a voltage outside the specified range of the input connections Do not operate the meter if there are suspected fail ures Refer damaged units to qualified Coherent service personnel Safety Declaration of Conformity MEHI Brini AD Declaration of Conformity Wo Coherent Tre 7470 SW Bridgeport Raad Portland Oregon USA 97224 declare under sale responsibility that the FiekiMare TI ments the intent of Directo 99 325 EE for Electromagnetic Compatibility Complange was demonstrated per testing to ENb1325 Electromagnetic Compatibilty Product Family Standard far Mea
66. un from the Start menu and then type D Setup exe substitute the appropriate letter of your CD ROM drive for D It is the policy of Coherent to comply strictly with U S export control laws Export and re export of lasers manufactured by Coherent are subject to U S Export Administration Regulations which are administered by the Commerce Department In addition shipments of certain components are regu lated by the State Department under the International Traffic in Arms Regulations The applicable restrictions vary depending on the specific product involved and its destination In some cases U S law requires that U S Government approval be obtained prior to resale export or re export of certain articles When there is uncertainty about the obligations imposed by U S law clarification should be obtained from Coherent or an appropriate U S Government agency xi FieldMaxIl TOP User Manual Publication To view information that may have been added or changed since this publication went to print connect to Up dates www Coherent com Symbols Used in This Document This symbol is intended to alert the operator to the presence of dangerous voltages associated with the product that may be of sufficient magnitude to consti tute a risk of electrical shock This symbol is intended to alert the operator to the danger of exposure to hazardous visible and invisible radiation This symbol is intended to alert the operator
67. urementMode mmJoules 1 mmWatts 2 End Enum 78 Host Interface method PowerStateCommand in VARIANT BOOL CommandOption The method to turn on or off the meter Valid CommandOption values are 0 for off and non zero for on All device properties except PowerState are not valid hence not meaningful when meter power is off method RangeCommand in double CommandOption The method to set the meter fullscale range Valid CommandOption values must not exceed the MaxRange property The range is expressed as the expected fullscale value that is expected to be measured The meter auto matically selects the next higher available range to accommodate the requested fullscale range method SpeedupAnalogOutputCommand in VARIANT_BOOL CommandOption The method to enable or disable application of ther mopile speedup to the analog output channel Valid CommandOption values are 0 for disabled and non zero for enabled method SpeedupDigitalDisplayCommand in VARIANT_BOOL CommandOption The method to enable or disable application of ther mopile speedup to the digital display Valid Command Option values are 0 for disabled and non zero for enabled 79 FieldMaxI TOP User Manual Public Enum smoff smMax smMin smMean smStdv End Enum method SpeedupHostDataCommand in VARIANT BOOL CommandOption The method to enable or disable application of ther mopile speedup to the host data output channel Valid CommandOpt
68. ver temperature condition exists 26 TRIG AUTO Range Hint AVG Operation Whenever a trigger is detected TRIG displays in the TRIG annunciator position TRIG displays in the absence of a trigger The TRIG annunciator applies under the following conditions e A pyroelectric sensor is attached e A thermopile sensor is attached and Joules mode is active thermopile and optical sensors only The AUTO annun ciator displays the state of the auto ranging of the meter Auto Ranging is active when AUTO displays If Auto Ranging is not active or a pyroelectric sensor is attached to the meter the AUTO annunciator is not visible The Range Hint annunciator towards the top of the LCD just above the tuning needles displays 3 30 or 300 These numbers represent the full scale range currently selected by the user Range Hint is discussed in more detail under Measurement Display and Range Selection on page 44 When AVG display smoothing is active display values are averaged by samples for pyroelectric sensors and by time for thermopile and optical sensors AVG displays when averaging is active Nothing displays in this position if averaging is not active 24 FieldMaxIl TOP User Manual ATTEN RMT Battery The ATTEN annunciator indicates if attenuation correc tion is applied to the measurement value ATTEN displays whenever attenuation is activ
69. verranged An Overtemperature event indicates that the probe is in an overtemperature condition If the probe is in an over temperature condition one Overtemperature event will accompany every measurement data event A Measurement Data Lost event indicates that the meter communication system has dropped data and is not processing data fast enough Data synchronization is lost and the system automatically attempts to resynchronize the data stream A 1 2 second interruption in the data stream will occur during resynchronization attempts There is a variety of reasons for the root cause of errors When the DLL server detects an error the IFM2DeviceEvents_DisplayErrorToClient callback method is called The callback method may find the string description of the error in the IFM2DeviceEvents _ CallbackMessage property Probe zeroing monopolizes the meter and can last up to 60 seconds Zero status events are dispatched to the application code using the IFM2DeviceEvents _ DisplayZeroDeviceProgressToClient callback method Zero status events are dispatched once per second while zeroing is in progress to permit the application code to monitor progress The cFM2Notify callback object CallbackMessage and ZeroDeviceTimeout Counter properties are used to monitor zero progress The CallbackMessage string is a text description of the callback event The ZeroDeviceTimeoutCounter integer 69 FieldMaxI TOP User Manual is a countdown value
70. with every FieldMaxII TOP View the Readme file on the accompanying CD for ActiveX installation instructions When first connecting the meter to a PC with the USB cable you will be prompted through an installation process USB drivers will be automatically installed onto your computer Insert the CD into your CD drive when prompted 58 Introduction ActiveX Usage Guidelines Usage Overview Host Interface HOST INTERFACE This section presents the following topics Introduction this page e ActiveX usage guidelines this page The interface is implemented as an ActiveX DLL server called FieldMax2DLLServer dll The DLL is COM compliant and serves to transport data between the FieldMaxlI and a host application program This DLL has no GUI elements The following discussion explains how to use the Field MaxII ActiveX DLL server in an application program The DLL server package provided by Coherent defines all ActiveX interfaces and object classes The user uses the functionality provided by the ActiveX package to communicate with the FieldMaxII meter To reliably communicate with the meter the program must provide infrastructure via the ActiveX server A number of object classes and interfaces that will aid in setting up the infrastructure are provided 59 FieldMaxI TOP User Manual cFM2Listener class and IFM2Listener interface An object class that dispatches meter USB connect discon nect and data event
71. y watching the display numbers on the LCD At first the numbers will decrease quickly but as the sensor cools the numbers decrease more slowly the slower the decrease the cooler the sensor and the cooler the sensor the more accurate the area correction reading will be Optical sensors do not require a cool down period 5 Press the Zero button The sensor is now zeroed For more information about zeroing refer to Zeroing on page 51 35 FieldMaxII TOP User Manual Avg Average mode enables display smoothing which suppresses variations in the display reading that can make it difficult to read Display values are averaged either by time for ther mopile or optical sensors or by pulses for pyroelec tric sensors You can change the size of the display smoothing window With an attached thermopile or optical sensor the window size is 1 to 60 seconds Using a pyroelectric sensor the window size is 2 to 1 000 pulses Averaging displays live measurements while the first batch is being acquired Following the first batch each reading appears on the display as an average of the batch window size Example Using a 10 second batch size the first ten seconds are measured live The next reading that appears on the display is an average of the measure ments taken during the 1 to 10 second time frame followed by a reading that is the average of the measure ments taken during the 11 to 20 second time frame etc
72. zero for on method BatchRestartModeCommand in short CommandOption The method to set the batch restart mode Valid Comand Option values follow the Visual Basic 6 0 enumeration of Public Enum BatchRestartMode brmManual brmAuto End Enum method BatchSizePulsesCommand in long Command Option The method to set the statistics batch size in pulses This parameter has effect only when a pyroelectric probe is attached Valid CommandOption values range from 2 to 99999 77 FieldMaxI TOP User Manual method BatchSizeSecondsCommand in long CommandOption The method to set the statistics batch size in seconds This parameter has effect only when a thermopile or optical probe is attached Valid CommandOption values range from to 99999 method HertzModeCommand in VARIANT BOOL CommandOption The method to enable or disable frequency display mode This parameter has effect only when a pyroelectric probe is attached Valid CommandOption values are 0 for disabled and non zero for enabled method HoldModeCommand in VARIANT BOOL CommandOption The method to enable or disable display hold mode This parameter has effect only with a TO meter Valid CommandOption values are 0 for disabled and non zero for enabled method MeasurementModeCommand in short CommandOption The method to set the measurement mode Watts or Joules Valid ComandOption values follow the Visual Basic 6 0 enumeration of Public Enum Meas

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