User's Guide
Contents
1. and facilitate the data import A macro can be created in most spreadsheet programs to automate the import of downloaded data 16 Solar Light Co Inc Table 5 Description of the data record format Detector The last two digits of the detector type For Numerical model f example the detector PMA2131 has the tvpe code 31 Detector The string containing the serial number of the Enclosed in serial detector Record The date stamp of the measurement The date is Enclosed in Date formatted as follows mm dd yyyy where mm month dd day yyyy year record time The time stamp of the measurement The time is Enclosed in formatted as follows hh mm ss where hh hours mm minutes ss seconds Recorded The measurement result Numerical value Units used for measurement result Enclosed in Scale Scale of the detector 1 00 nominal future use only Flags set when data recorded future use only 1 22 Calibration The date the detector is due for calibration The Enclosed in due date date is formatted as follows mm yyyy where mm month yyyy year nn Solar Light Co Inc 17 Interfaces Detector interface The PMA2200 detector interface provides connections for the detector s analog signals the power for the detector and the digital interface for the detector s memory The single PMA2200 detector interface port provides 4 independent analog inputs designated Input0 through Input3 These dir2. full scale 2 7K series 0 luf to ground Analog Input 1 4V full scale 2 7K series 0 luf to ground 20 Solar Light Co Inc The PMA2200 can be controlled from a remote computer via an external modem The modem connected to the PMA2200 should be set to auto answer in order to pick up the incoming calls automatically The modem s result codes should also be disabled For modems supporting the Hayes AT commands the following programming sequence is adequate AT amp D0Q1E0S0 2 amp C1 amp WO amp YO0 This sequence should be transmitted to the modem from a PC before this modem is connected to the PMA2200 Only the remote modem picking up the calls to the PMA2200 has to be set up in this way The PMA2200 is not able to dial the telephone number so the calls cannot originate from the PMA2200 Table 8 shows the cable connections between the PMA2200 and the modem Table 8 PMA2200 to modem connection PMA DB25 connector Modem DB25 connector Digital control lines The digital control lines of the PMA2200 can be used to control an external device such as a relay or valve acting as a closed loop feedback system or as a dose controller An example application is the monitoring and control of greenhouse temperature and the amount of light The PMA2200 s digital control lines provide 1 optically coupled input and 1 optically coupled output designed to connect with control equipment The pins of the digital control lines are available on the 25 pin c
3. is activated To re start the averaging turn the feature OFF then back ON by pressing the Avg key twice 10 Solar Light Co Inc The instantaneous reading is displayed with the currently selected units to the right of the measurement result If alternative units are available pressing the Units key will convert the result to alternative units There can be more than two unit systems They can be selected by pressing the Units repeatedly After the last IMED HE EY i Time MED unit selection is reached pressing the Units 2 kev will bring the displav back to the initial unit selection 1 Figure 6 Pressing the Units key converts the If the measured quantity can be integrated measurement result into one of the available unit over time integration can be initiated by systems UVB detector display units shown pressing the Int key The integrated value is displayed in the space below the instantaneous measurement value Figure 3 Pressing the Int key again stops the integration The dose display freezes but the information is displayed on the LCD until the Int key is pressed again When restarted the integrated value will be reset to zero Integration can not be used when using the Min Max or Avg features The assignment of the function key F1 can change dynamically depending on the mode of operation The function of the key is described by pressing F1 If the function key is defined for the detector being displ
4. 0 data mode display Solar Light Co Inc Controls and indicators Display When the meter is turned ON it displays a start up screen Figure 2 while performing the hardware test The model number and software version number of the meter are briefly displayed Version 1 26 Then the display goes into the data mode If a detector is attached the measurement results are shown Figure 5 Otherwise the screen indicates that there is no detector connected Figure 4 Figure 2 Start up screen of the PMA2200 meter The HOLD function is activated by pressing the HOLD key When the data is flashing the contents of the display are frozen however the measurements dose integration or min max avg if enabled will 2 1 002 W em 1 002 eni 3 001 cm Figure 5 data mode with detector Figure 3 data mode with detector connected no integration connected integration on continue in the background Pressing the HOLD key again reactivates the continuous data display The Low and High tracking can be initiated by pressing the Min Max key The same key clears the setting The tracking of extremes starts from the moment the feature is activated To re start the tracking turn the feature OFF then back ON by pressing the Min Max key twice No Detector Figure 4 Display in the data mode Averaging is activated by pressing the Avg key The with no detector connected averaging starts from the moment the feature
5. User s Guide Version 1 26 Photometer Radiometer Model PMA2200 Version 1 26 Solar Light Company Inc 2 2005 Solar Light Company All rights reserved 100 East Glenside Avenue Glenside PA 19038 USA tel 215 517 8700 fax 215 517 8747 US Patent 5 790 432 ProComm is a registered trademark of Svmantec Corporation Windows is a registered trademark of Microsoft Corporation Document No D IM PMA22MAN 01 R00 Printed in the United States of America Solar Light Co Inc Solar Light Co Inc 3 Contents USER S GUIDE 1 CONTENTS 3 INTRODUCTION 5 PMA2200 DESIGN CONCEPT 5 MAJOR FEATURES 6 CURRENTLY SUPPORTED DETECTORS 6 QUICK START 8 SELECTION OF THE DETECTOR 8 MEASURING WITH PMA2200 8 CONTROLS AND INDICATORS 9 DISPLAY 9 KEYPAD 10 AUDIBLE SIGNALS 11 ERROR MESSAGES 11 SETUP 12 METER SETUP 12 REAL TIME CLOCK AND CALENDAR FUNCTION T AND D 12 RS232 DATA PRINTING FUNCTION O 13 DETECTOR SETUP 13 DATA MANAGEMENT 14 DATA LOGGING 14 DATA PROCESSING 14 4 INTERFACES DETECTOR INTERFACE SERIAL AND EXTENSION PORT DIGITAL CONTROL LINES TECHNICAL SPECIFICATIONS MAINTENANCE AND TROUBLESHOOTING METER CALIBRATION TABLE OF FIGURES INDEX Solar Light Co Inc 17 17 18 20 22 23 23 24 25 Solar Light Co Inc Introduction The Personal Measurement Assistant model PMA2200 is a sophisticated multipurpose measuring instrument that combines the user friendliness of simp
6. and powerful the PMA2200 is a user friendly instrument allowing for simple plug and play operation Selection of the detector A critical part of every measurement process is the sensor selection The criteria that need to be addressed when making that decision are e The anticipated signal characteristics including spectral range e Environmental factors such as temperature range and humidity The PMA2200 family includes detectors for indoor permanent outdoor and underwater operation satisfying virtually any operating environment Measuring with PMA2200 To perform measurements with a PMA2200 the following steps should be followed 1 Power ON the PMA2200 by pressing the ON OFF button If the meter does not respond attach the external power supply The unit will be powered ON whenever connected to the external power supply The PMA2200 will turn itself OFF after 3 minutes of inactivity if no detector is attached 2 Plug the selected detector into the detector input located on the side of the meter The meter will indicate the connection by a beep and the display will show the measurement result Squeeze the locking arms of the detector plug while connecting or disconnecting it 3 In order to turn the PMA2200 OFF press the On Off key If the unit is connected to external power it will remain powered up and pressing the On Off will have no effect Refer to Controls and indicators on page 9 for detailed description of the PMA220
7. ayed the definitions of the key will appear on the second line of the display Pressing F1 a second time will perform the defined operation Keypad The keys of the PMA2200 Figure 7 have a tactile feel and an audible signal is generated when the key is pressed The On Off key toggles the power to the meter It is only active in the display mode The Int button enables the dose integration The integrated dose is in the space shown below the instantaneous measurement result Figure 3 Pressing the Int button a second time stops the integration Pressing a third time clears the integration from the screen Pressing the HOLD key freezes the information on the LCD without affecting the measurement and data Figure 7 Keypad configuration of the collection process The displayed data will begin to PMA2200 flash While in the hold mode pressing HOLD a second time reactivates display updating Solar Light Co Inc 11 The Min Max key initiates the Low and High tracking The same key clears the setting The tracking of extremes begins from the moment the feature is activated To re start the tracking turn the feature OFF then back ON by pressing the Min Max key twice High and low values will be reset to zero on restart of the Min Max function The Avg key initiates averaging The same key clears the setting The averaging begins from the moment the feature is activated To re start the averaging turn the feature OFF then bac
8. bration 12 Solar Light Co Inc Setup Version 1 26 S N 01234 01 01 2005 12 00 00 T Set time hh mm ss D Set date mm dd yy O Toggle RS232 data printing Figure 8 Setup screen for the PMA2200 meter Meter setup Real time clock and calendar Function T and D The real time clock and calendar provides the information for time stamping of the recorded data To set the real time clock calendar follow these steps 1 Connect the PMA2200 to an available serial port on a PC using an AT modem cable 2 Start a communications program such as ProComm or Windows Terminal or HyperTerminal 3 Configure the Comport as follows e Baud rate 19200 e Handshake None e Data bits 8 e Parity None e Stop bits 1 4 Press Enter to get a menu from the PMA2200 Figure 8 5 Press D to set the date or T to set the time Solar Light Co Inc 13 RS232 data printing Function O The RS232 data printing function allows the user to display and or capture the data from the detector to a file via RS232 Follow steps 1 4 in the Real time clock and calendar section for the computer connection and display Press O to toggle the data printing on and off The data is updated and displayed about three times per second Open a file to capture the data if it is to be stored Before the PMA2200 is connected a description can be annotated For example light source type distance filters experiment name etc Conn
9. cumulated dose where applicable Tracking of the extremes of the signal min max avg RS232 serial interface Digital inputs and outputs to control external devices Currently supported detectors For a complete list of detectors please refer to the detector selection guide at www solarlight com products detectors html The PMA2200 family currently includes a variety of detectors for such parameters as Biologically effective UV radiation UV B UV A radiation UV safety Germicidal UV Bilirubin phototherapy PAR photosynthetic Continuous lasers Blue light safety Illumination photopic and scotopic UV VIS IR Class II pyranometer Custom wavelength bands Temperature Humiditv Solar Light Co Inc 7 The PMA2200 can be used in any application where an accurate measurement is required especially if multiple quantities are measured or the enhanced functionality of the meter is desired Potential applications include Laboratory measurements Environmental monitoring Industrial safety UV curing printing and photolithography Photodermatology and photobiology Phototherapy Cosmetic industry SPF testing Materials testing Agriculture Any sensor producing up to 4 analog signals can be quickly and inexpensively accommodated by the PMA2200 making it attractive to sensor manufacturers who would like to offer a state of the art meter with their product 8 Solar Light Co Inc Quick start While sophisticated
10. ect 1 3 5 7 9 11 33 inputs accept signals in a range of 4V to 4V Figure 9 Detector input pin assignment Table 6 provides detailed functional description of the individual pins View from the back of the plug the cable end 2 4 6 8 10 12 14 18 Solar Light Co Inc Table 6 PMA2200 detector interface configuration Pin Signal description Specifications Number 1 Analog input lor 5 Analog input 2 or 6 Analog input 3 or 7 Analog input 4 or 8 Analog ground Internallv connected to power digital ground do not connect to power GND inside the detector Detector presence 1 Used to determine if detector connected Detector presence 2 Used to determine if detector connected Detector decode 1 Used to determine detector port used ISE a 3 4 6 7 8 protected 10 uo 12 Detector decode 2 Used to determine detector port used 5V power 50mA max short circuit protected 5V power 50mA max short circuit protected Power and digital ground do not connect to analog GND inside the connected to shield detector inside the PMA2200 meter 2 3 4 5 7 10 11 12 13 14 Data I O Data line for non volatile memory ESD orli SHIELD Power and digital ground connected to pin 13 inside the PMA2200 meter not connected to Serial and extension port The PMA2200 is equipped with a RS232C serial port allowing communication with a computer or a serial printer The serial communication lines along
11. ect the PMA2200 and press Enter Press O to toggle the RS232 on when the detector setup is complete and you are ready to start storing data The data format displayed is shown in Table 3 and the description is shown in Table 5 Detector Setup The detectors are equipped with a non volatile memory to store configuration information specific to a particular detector When the detector is connected these configuration parameters are read from the detector and used to set up the PMA2200 14 Solar Light Co Inc Data management Data logging The PMA2200 does not have internal datalogging capability However the PMA2200 can transmit data by RS232 serial interface The PMA2200 can be connected to a PC running a communications software package The PC can then function as a datalogger saving data records to file Refer to Setup on page 12 for instructions to use a PC to store data from the PMA2200 The data are downloaded in a text format following the template shown in Table 3 Table 3 Format of the data downloaded from PMA2200 Detector detector record record recorded Units Scale Flags Calibration model serial date time value due date Table 4 Example of data records from the PMA2200 RS232 printing Enabled 30 02258 09 23 1998 09 47 00 2 3895E 03 Lux 1 00 00 09 1999 30 02258 09 23 1998 09 47 01 2 4312E 03 Lux 1 00 00 09 1999 RS232 printing Disabled Commas separate the f
12. ields The non numerical values such as serial number date time and units are enclosed in quotes to comply with a commonly used Comma and Quote Separated Format Table 5 contains detailed description of the individual fields of the data record Refer to the Data processing chapter below for additional information about importing and processing the data Data processing The data downloaded from the PMA2200 can be imported into any commercial spreadsheet or data processing package supporting the import of data in Comma and Quote Separated Format As an example the steps necessary to import a data file into Microsoft Excel 2000 are listed 1 Download the data from the PMA2200 and save in a file called PMA TXT 2 Open Microsoft Excel 3 Place the cursor on an empty page in a cell where you want the data block to begin Solar Light Co Inc 15 From the menu select Data then Import External Data and then Import Data In the Select Data Source dialog locate and select your data file In this case PMA TXT In the Text Import Wizard select Delimited for the Original Data Type and click Next gt Select Comma as the Delimiter and as the Text Qualifier and click Finish Select the location where your data will be imported and click Ok e i a The data is imported into the spreadsheet and can be manipulated with the various tools built into this software Some programs have built in import wizards that analyze the format of the file
13. k ON by pressing the Avg key twice The average value will be reset on restart of the Avg function The Zero key will zero any offset for the detector This function is also useful for relative measurements between two sources Pressing the Set 100 key will take the current instantaneous reading and set it to 100 100 will be seen on the display Any variations in the reading will be indicated in percent This feature is useful for measuring transmission of filters or materials Audible signals Certain conditions cause the generation of an audible signal to attract the user s attention The conditions generating an audible signal are listed in Table 1 Table 1 Conditions causing a generation of an audible signal 1 long beep activation of any key 1 short beep acceptance of an newly connected detector 1 short beep detector disconnected 3 short beeps Detector out of range max value exceeded 1 long beep Error messages When an erroneous condition is detected by the PMA2200 an error message is displayed to indicate the nature of the problem Table 2 Error codes and messages Message on LCD Description of the problem Upgrade software The detector requires a higher version of the software controlling the PMA2200 The message is displayed immediately after the new detector is connected Contact the manufacturer for upgrade 03 Out of cal The detector is due for calibration The detector should be returned for re cali
14. le meters PMA2200 design concept The combination of simplicity of use and enhanced features was possible thanks to the implementation of microprocessor technology and an innovative architecture The meter itself is programmed to perform the tasks common to most detectors The information specific for a particular detector is stored in a nonvolatile memory built into the detector itself It PMA2200 DISPLAY CONNECTOR DETECTOR AND CABLE DETECTOR MEMORY AMPLIFIERS CENTRAL PROCESSOR AND MEMORY SYSTEM JA CONVERTER Figure 1 Architecture of the PMA2200 includes identification information signal processing algorithms a description of the data presentation and the current setup of the detector 6 Solar Light Co Inc Upon connection of a detector the PMA2200 identifies it downloads the contents of the detector s memory into the operating memory updates its setup and executes the downloaded code if appropriate This approach allows for an unlimited number of detectors to be supported by the PMA2200 It configures itself to the specific features of each detector and the custom setup of the measurement process Major features Measuring with the PMA2200 is as simple as with the usual single detector and meter Plug a detector into the input socket turn ON power and read the display The many additional capabilities of the PMA2200 Version 1 26 include User selectable system of units Integration of the ac
15. onnector which also accommodates the pins of the serial port Optical Output 1 pin 14 Optical Input 0 pin 5 R22 2 7K 1 ISO1A PS2502 2 ISO2A 52505 2 Optical Input Ground pin 8 Optical Output 0 pin 1 gt Optical Input 1 pin 6 Optical Output Ground pin 22 e 8018 18028 ee PS2502 2 PS2505 2 w Figure 10 Digital optically coupled outputs Figure 11 Digital optically coupled inputs Solar Light Co Inc 21 The optically coupled I O s functions depend on the detector connected to the PMA2200 Typically these outputs are not used however some custom or specialized detectors may use these ports for external control 22 Solar Light Co Inc Technical specifications Detector inputs Input ranges Resolution Dynamic range Accuracy Non linearity Temperature coefficient Sampling rate Screen Refresh Rate Operating temperature Power consumption Batteries Battery life External power Weight Size LCD Size User interface 1 detector input with up to 4 analog signals 4V single range autoranging not necessary 3uV 4V range 2 6 10 6 5 digits Within 0 2 FS 0 003 Integral non linearity max 50 ppm C 3 per second 10 per second 0 to 50 C non condensing Approx 110 mW 4xAA Alkaline batteries gt 40 hours continuous use 9 12V AC or DC adapter 100mA min 18 oz 510 grams 4 W x 7 6 H x 1 75 D 10
16. tion Figure 6 Pressing the Units key converts the measurement result into one of the available unit systems UVB detector display units shown 10 Figure 7 Keypad configuration of the PMA2200 10 Figure 8 Setup screen for the PMA2200 meter 12 Figure 9 Detector input pin assignment 17 Figure 10 Digital optically coupled outputs 20 Figure 11 Digital optically coupled inputs 20 Solar Light Co Inc INDEX Applications 7 Audible signals 11 Averaging 9 Avg 9 10 11 Calendar 12 Calibration 23 Clock 12 Controls 8 9 Data format 14 importing 15 logging 14 management 14 processing 14 Data mode 9 Detector interface 17 detectors 8 selection 8 Detectors 6 connecting 8 setup 5 13 Diagnostic 9 Digital control lines 20 Dose 6 Function keys 10 HOLD 9 10 Importing data 15 Indicators 9 Int 10 Integration 6 10 Interfaces 17 Keypad 10 Avg 11 25 F1 10 Hold 9 10 Int 10 Min Max 11 On Off 10 Set 100 0 11 Units 10 Zero 11 Maintenance 23 Min Max tracking 9 Model number 9 Modem connection 20 On Off 8 PMA2200 Applications 7 design concept 5 detectors 6 features 6 measuring with 8 setup 12 Real time clock 12 Serial port 18 cable 18 Set 100 11 Technical specifications 22 Time 12 Tracking min and max 6 11 Tracking min max 9 Troubleshooting 23 Units 6 10 Zero 11
17. with other analog and digital signals available on the 25 pin female D connector located on the bottom of the meter To connect the PMA2200 to a computer a standard AT modem cable can be used in place of the one that is provided with the meter The baud rate of the serial port is preset at 19200 Solar Light Co Inc Due to the power saving features built into the PMA2200 the serial port s transmitter operates properly only if there is no incoming transmission i e the receiving line must be in a negative marking state The PMA2200 s receiver works properly all the time Table 7 Serial communication and extension port connector Pin Signal description Specifications Number Optical Output 0 Refer to fig 8 2 RxD Data input Switching threshold approx 1 5V with 0 5V hysteresis accepts standard RS232C levels low state equal to the RxD s low level Detect Input 6 Opticalmputt Refertofig9 notusedforPMA2200 8 OpticalInputground JRefertofig 9 SVPowr 50mA max short circuit protected 0 Output Positive protected Data line for non volatile memory ESD protected Detector presence 3____ Detector presence 3 Used to determine if detector connected Analog Input 7 Analog 4V full scale 2 7K series 0 1uf to ground Output Ground Not Used for PMA2200 Analog Input 5 4V full scale 2 7K series 0 luf to ground Optical Output groun Refer to fig 8 Analog Ground Analog ground Analog Input 4 4V
18. x 19 3 x 4 35 cm 2 5 x 0 5 6 4 x 1 3 cm 9 button keypad Solar Light Co Inc 23 Maintenance and troubleshooting Meter calibration Both the PMA2200 meter and the detectors have to be calibrated to assure accurate measurements The analog inputs of the PMA2200 are initially calibrated with an accuracy of 0 2 and the calibration factors are stored in its internal memory The internal real time clock is accurate to within 1minute per month Since there are no mechanically adjustable components in the meter its calibration is extremely stable Nonetheless the calibration should be periodically checked The recommended calibration interval is one year The calibration is done in a computerized tester and must be performed by the manufacturer or by an authorized laboratory Please contact Solar Light Company for further information The calibration of the detectors is independent from the meter s calibration The detector calibration accuracy depends on the type of detector It should be performed at least annually The calibration can be performed by the manufacturer or by an authorized laboratory 24 Solar Light Co Inc Table of figures Figure 1 Architecture of the PMA2200 5 Figure 2 Start up screen of the PMA2200 meter 9 Figure 3 data mode with detector connected integration on 9 9 9 Figure 4 Display in the data mode with no detector connected Figure 5 data mode with detector connected no integra
Download Pdf Manuals
Related Search