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Omega Vehicle Security freedom OM-550 User's Manual

1. O REPLACEWITH F A ALKALINE SIZE AA ANSI L40 IEC LR6 N I q I mm _ Figure 3 1 OM 550 18 3 1 2 CONNECTING THE AC POWER ADAPTER Plug the AC Power Adapter into an appropriate 120V AC in North America power outlet Insert the adapter s connector into the receptacle on the left side of the unit The OM 550 is now ready to operate on external power The OM 550 will operate without batteries but data may be lost if the power fails or the AC Power Adapter is accidentally removed It is recommended when operating OM 550 the batteries are installed first Figure 2 18 For continued fire and electric shock protection use only the specified AC Power Adapter 3 1 3 CONNECTING THE DC POWER CABLE Plug the large DC connector into a 12V DC cigarette lighter power outlet whether in the optional rechargeable batt
2. BOOS Ar OMEGA Tecimolegs Compary Ar OMEGA Technologie Company a o hitp www omega com MN http www omega com DOODO e mail info omega com e mail info omega com OM 550 5000 WINDOWS SOFTWARE OM 550 OM 550 5000 SW WIN Datalogger WINDOWS SOFTWARE OM 550 HARDWARE OM 550 5000 WINDOWS USERS GUIDE SOFTWARE USERS GUIDE Figure 1 1 OM 550 o1 2 0 FEATURES This section explains the Features for the OM 550 System and optional items 2 1 OM 550 FEATURES OM 550 features PRINTER WINDOW ACTIVITY LED KEYPAD CHANNEL CONNECTORS Figure 2 1 THERMAL PAPER FEED i SON 9V DC RECEPTICAL SERIAL DATA PORT THERMAL PAPER BATTERY COVER GAIN ADJUST TILT STAND Figure 2 2 OM 550 924 2 1 1 ACTIVITY LED 8 HORN The Activity LED and internal horn provide a quick indication of the unit s status For example a short periodic beep and flash indicates that the OM 550 is ON but not being programmed The horn produces two different sounds a beep and blat Valid key closures produce the beep sound and invalid keys produce the blat For example the OK key is only used in programming Pressing the OK key when not programming will produce a blat sound ACTIVITY LED Figure 2 3 e periodic beep beep and flash flash indicates that the OM 550 is being programmed e Key closures override this regular activity with
3. Figure 5 3 Log Interval Time 4 Select whether to stop collecting data when the Cache is full collect data continuously or press OK to advance to the next item Stop on full cache Y N Stop on full cache Stop on full cache Y N Overwrite full cache Figure 5 4 Operation at Full Cache 5 Enter the current Time or press OK to advance to the next item Date MMDDYY Figure 5 5 Current Date OM 550 0410 6 Enter the current Date or press OK to advance to the next item Time HHMMSS Time 2 Figure 5 6 Current Date 7 Select the desired temperature units or press OK to advance to the next item Fahrenheit units Y N Fahrenheit selected Fahrenheit units Y N Celsius selected Figure 5 7 Temperature Units 8 Select the Rejection frequency or press OK to advance to the next item Reject 60Hz Y N 60Hz selected Reject 60Hz Y N 50Hz selected Figure 5 8 Reject Frequency OM 550 4424 9 Turnthe Gal mode ON OFF or press OK to advance to the next item Calibrate Y N Cal mode ON Calibrate Y N Cal mode OFF Figure 5 9 Cal Mode Selection 10 Enter a Tadjust value or press OK to finish programming OM 550 Change Tadjust Y N Tadjust t F or C ekk kk kk EXIT k k kk KE 00 13 37 01 01 00 RUN starts logging STOP stops logging PROG starts programming Figure 5 10 Tadjust Value Selection Programming is now complete and the lis
4. high density floppy disk drive Mouse IBM compatible mouse plugged into either a dedicated mouse or serial port Serial Port At least one port in addition to the one used for the mouse Video Color VGA or better graphics adapter and appropriate video monitor Printer Color printer is recommended OM 550 DOS Software iv Software Installation The software is on a 3 5 floppy disk and before it is installed on a PC make a backup copy of the program disk you should never work from your original program disks Be sure to view the README file on the program disk before installing the software any standard text viewer can be used The README contains the latest information on the software and installation instructions e HARD DRIVE INSTALLATION 1 Insert disk 1 in the disk drive 2 At the DOS prompt type the drive name colon backslash and instalit and hit the enter key For example if the program diskette is inserted into the A drive type A instalit 3 Follow the setup instructions provided with the software OM 550 DOS Software ove 1 0 STARTING THE PROGRAM To start the program 1 Atthe DOS prompt type the DOS command CD change directory drive name colon backslash and the program name and hit the enter key For example if the program in installed in the default directory C M50 type e CD C M50 M50C If you have a computer with a CGA video card e CD C M50 M50E If you have a com
5. A T IIB lll i I Press the F9 key to toggle the X Cursor Data Table for Time to Sample Point To move X cursor 1 Position the mouse pointer over the small box below the vertical line and press and hold the left mouse button and drag it left or right releasing the mouse button when the X Cursor is at the desired location e There is also an option to press a function key to select an X cursor For example press F2 to select the second X cursor When the desired X cursor is selected the small box will turn red and then use the left or right arrow keys to move the selected X cursor Moving the selected cursor can be pushed into other cursors causing them to move them along with it OM 550 DOS Software 4190 2 8 6 HELP MENU Another feature of the HOT PLOT is the Help Menu This menu lists all available Keyboard functions Refer to APPENDIX A KEY FUNCTIONS for more details To activate the Help menu 1 Press the key and the Help menu will appear 2 When finished press the esc key to close FILE L g H 1 23 14 22 Y 64 1482 Cursor Line Move Cursor ReScale ReScaleY 5 P Link linlink Y scales PRESS ESC TO CONTINUE iZ ZD BW B Z 50000 600006 i Gt tat t BAA Raon rom erature a o Press F E H 1 F lat Volt Press Esc oui t Di r ator Volts Help Menu OM 550 DOS Software 4200 2 9 LIST EXISTING LOG FILES ON PRINTER Option 9 List Existing Log Files on Printer on the M
6. FILE LOGOB1 OM 550 Experiment 01 02 89 23 38 22 Status Bar e The File name is the name of the currently loaded experiment file If the current e The Plot Title is the entry specified by the user using the Edit Plot Labels option See section 2 7 EDIT PLOT LABELS for details e The Time stamp is the data and time that the last reading was logged by the OM 550 during experiment e When the mouse pointer is placed over the Data Graph the Time stamp is replaced by X 4 Y axis data This Is a fast way to get information from the Hot Plot graph because the user can use the mouse to read Times and Values anywhere on the plot The X and Y Readout shows the Day Time and Y Axis Value at the place where the mouse pointer is currently positioned The Day and Time are shown as D HH MM SS For example 1 12 33 22 means day 1 12 hours 33 minutes and 22 seconds lf there are several channels of data on the graph the Y Axis Value belong to the channel identified by the Y Axis Labels along the left side of the graph lt will be the last channel selected On color displays the Plot and Labels will be the same color mg Screen resolution may limit the accuracy of these X Y Readout Values to less than that of the actual data displayed in the X Cursor Data Table near the bottom of the screen The X Y Readout can also give Delta information When using the Magnify Too the absolute X Y Values are replaced with Delta X and Delta Y
7. with 640K of ram and 1 or 2 serial ports The software is supplied on a 3 1 2 disk and it is recommended that at lease one backup copy is made to hold in reserve Refer to your computer manual for copying instructions OM 550 data can be saved to disk as experiment files The files are automatically named with the word LOG followed by three numbers like LOG007 The numbers will increment as new experiments are saved or can be user configurable In addition to the OM 550 data an experiment file can optionally contain information describing the parameters of the experiment and the data e How to Use This Manual This manual is written for users of varied experience If a section covers information you already know feel free to skip to the next section e You do not need to be a computer expert to use this manual or the software e Terms Used in this Manual The following definitions special terms and symbols will be used in this manual e Thermocouple may be referred to as T C i D 8 e l Informs the user that the note includes important information Informs the user that the note includes a handy software tip OM 550 DOS Software ii e Fonts Used in this Manual This manual uses a special font to indicate terms or words that can be found directly on the PC display For Example The Master Menu options change to match what you are doing This font indicates the words Master Menu are actually found in
8. 0 10 0 6 0 10 0 8 0 10 0 6 0 09 0 8 0 09 0 6 TABLE CONFORMITY TOTAL ACCURACY 0 14 1 5 0 14 1 0 0 18 t1 5 0 182 1 0 0 18 41 59 0 182 1 0 0 16 5 0 16 1 0 49 PRINTER TYPE PAPER ROLL CAPACITY LINE HEIGHT LINES PER ROLL PAPER LIFE Printing 5 channels every 10 min DIGITAL INTERFACE RS 232 COMMUNICATION FORMAT OUTPUT VOLTAGES A D CONVERSION RESOLUTION TECHNIQUE CHANNEL CAPACITY NUMBER OF INPUT CHANNELS INTERNAL DATA STORAGE MAXIMUM CAPACITY ENVIRONMENTAL OPERATING AND STORAGE ENVIRONMENT OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE OPERATING RELATIVE HUMIDITY RANGE STORAGE RELATIVE HUMIDITY RANGE MAINS VOLTAGE FLUCTUATION RANGE 24 Column Thermal 82 ft 1 6 ft 0 150 inches per printed line 6 560 128 Approximately 217 hours or 9 days 9600 baud No parity 8 data bits 1 stop bit 9 VDC 20 000 counts Dual slope selectable 50 60 Hz rejection 5 Voltage or Thermocouple 1 Pseudo math 28 Kbytes or 7000 data samples Indoor use only 0 C to 50 C 32 F to 122 F 25 C to 75 C 13 F to 167 F Maximum 80 R H for temperatures up to 31 C decreasing linearly to Max 50 R H at 40 C remaining constant from 40 C to 50 C Max 95 R H non condensing Maximum 10 A This is the maximum fluctuation from the nominal rated input voltage for the AC alt Dir Power Adapter OM 550
9. 00 01 01 00 The Log Interval is 00 00 30 30 seconds The OM 550 is in the Normal not the Calibration mode Tadjust 00 0 The Rejection Frequency 60Hz The data cache contains 100 phony points of data for channels 1 amp 2 The OM 550 is programmed to overwrite a full cache e PERFORMING A MANUAL RESET A 9 gt V N Turn the unit OFF Press amp hold the 5 key Momentarily press the ON key Release the 5 key ollection of messages similar to the one shown in Figure A 1will be printed MANUAL RESET x kkk version XX XX programming init channel records init KKKKK Clock init cache init KKKKKKKK ON KKKEKKKEKE 00 00 00 01 01 00 RUN starts logging STOP stops logging PROG starts programming Figure A 1 OM 550 450 e CALIBRATION PROCEDURE Using the following Calibration procedure we recommend that the OM 550 is recalibrated every 6 months Setup 1 Perform a Manual Reset 2 Press the PROG key to enter the programming mode 3 Expect a printout similar to the following KKKKKKK PROG KKKKKKK 00 00 0X 01 01 00 Interval 00 00 30 60Hz Full in 0001 05 10 00 Tadjust 00 0C 1 V V 1 00000 000000 2 K F EXIT leaves program mode OK skips to next field Figure A 2 4 Answer the prompts as follows PRESS OK Select channel 1 6 Log Interval HHMMSS PRESS 000005 Log Interval 00 00 05 Full in 0000 04 51 40 Stop on full cache Y N PRES
10. A Informs the user that the note identifies conditions or practices that could result in personal injury or damage to property other than the equipment Informs the user that the note identifies conditions or practices that could result in damage to the equipment A Informs the user that the note includes important information e Thermocouple may be referred to as T C e The OM 550 Datalogger may be referred to as Logger e Product Symbols The following symbols may be present on the Product e Direct Current DC Power Alternating Current AC Power CAUTION Whenever this internationally recognized symbol is used on the product additional information concerning that particular feature or function appears in the manual Battery Charger protected throughout by double or reinforced insulation Indoor use only For electric shock protection always operate the battery charger in a protected indoor location Input power connector op a P Thermocouple connection OM 550 lio Operator Safety Information The safety information in this summary is for the benefit of operating personnel Warnings and Cautions will also be found throughout the manual where they apply PRODUCT USAGE WARNINGS For fire and electric shock protection DO NOT connect the input channels to objects at elevated electrical potential The common terminal of each measurement input channel is not isolated from the common ter
11. Channels 4 amp 5 After Linking OM 550 DOS Software 0170 2 8 5 DATA GRAPH The Data Graph is where the data for each channel on the OM 550 is graphed in XY format The Data Graph X horizontal axis represents time or point and the Y vertical axis shows the values of the data points The values are also shown in the X cursor Data Table section of the Channel Data location A X CURSORS FILE LOGG 1 OM 55 Experiment 1 g2789s 23 38 22 DATA PLOTS M E 2 D 6000060 1 808000 6000006 HOT PLOT Room Temperature Press F8 Helyp Erla tar VoTts Press Esc ljuit DIFF R DATA TABLE Data Graph OM 550 DOS Software 180 e Data Plots The Data Plots in the Data Graph represent the data for each of the channels on the OM 550 Each channel is represented by a different color and corresponds to the color of its channel description in the X Cursor Data Table e X Data Cursors Three vertical cursors terminate in boxes along the X Axis Each cursor can be positioned anywhere on the graph e X Cursor Data Table Located on the right side of the Channel Data box includes the data for each X Cursor Each column shows the time or point where the cursor is positioned and the data value on each active channel at that point The position of an X Cursor controls the X values displayed in the X Cursor Data Table When an X Cursor is moved values in the X Cursor Data Table Time or point will automatically update
12. Values which are the lengths of the sides of the magnification rectangle OM 550 DOS Software 110 2 8 2 MAGNIFY TOOL The Magnify tool enlarges any selected area of the graph for easy visual examination To Magnify a portion of the Data Graph 1 Click the Magnify tool message box will appear below the Magnify Tool informing the user to Click and drag to select area 2 Position the mouse pointer to select one corner of the desired area to enlarge 3 Press the left mouse button and drag the pointer diagonally to the opposite corner of the box An outline of the box appears as you drag 5 Release the left mouse button when the outline of the area to be magnified is visible The area inside the box is then magnified to fill the entire graph D 40 466 62 36 DY 6 6441 M E ka 960000 BAA 1 000600 BAA HOT Room Temperature Batt Wol Press FG Help Regulator Volts Press Esc Quit Diff Magnify Tool OM 550 DOS Software o12 When using the Magnify tool the Magnify Map indicates the area being magnified with red box drawn around the area currently being magnified If the data graph was previously magnified the current level of magnification is displayed as the smallest red box Previous magnified areas are noted with a white outlined box 01 02 39 MAGNIFY MAP MAGNIFIED AREA To return to the full view click the Magnify Map outside of the magnified area To show even more detail in the
13. a steady beep or blat whenever a key is pressed e fno activity is evident beeps and flashes or printing the unit is OFF Menus are printed when a choice is available Then when the operator presses a key the resulting Selection is printed to confirm the action In most cases the user need not wait for a menu to print before making a selection Experienced operators can operate the unit very swiftly with little printing If the unit blats just wait for the menu to print then continue by pressing the correct key s OM 550 3 2 1 2 KEYPAD The Keypad has more than one function and many are self evident so only the main key functions are discussed here Figure 2 4 The ON OFF and PROG EXIT keys are toggles They are often discussed here by separate function to avoid confusion For example the ON key and the OFF key are the same key but its function changes toggles between ON and OFF All keys but the ON key are disabled when the unit is OFF OM 550 o4 e ON OFF The ON OFF key activates the OM 550 If the unit is OFF pressing the ON key will activate it light the Activity LED and beep the horn When the key is released the unit will print the key name time date and a command menu KEY NAME k k k k k ON kk KKK KKK 00 00 00 01 01 00 MENU RUN starts logging STOP stops logging PROG starts programming Figure 2 5 If the OM 550 is ON pressing the OF
14. be changed and they are in the middle of the programming menu For example if the channel information is correctly programmed but you wish to change the Log Interval use the OK key to break out of the channel programming loop and reset the Log Interval The following example shows how to set the Log Interval to 1 minute then exit the Program mode PRESS OK Select channel 1 6 Log Interval HHMMSS Log Interval 00 01 00 kkk keke EXIT kkk keke PRESS 000100 EXIT THE SELECTION IS ECHOED PROGRAMMING COMPLETED Figure 4 2 OM 550 23 4 2 PRINT FORMATTING When a Voltage channel or the Math channel is programmed the OM 550 prompts the user for a decimal point position or decimal point fix This number between 0 and 5 is the location of the decimal point in the print field POSITION INTERPRETATION EXAMPLE 9 FR 00001 4 HR 0 0001 3 HH HHH 00 001 2 HHH HH 000 01 1 HER 0000 1 0 HER 00001 Any five digit data value between 00000 and 99999 can be printed Values outside this range are valid data and will be accurately saved in memory but printed as because they exceed the space available for printing on the paper tape Temperature channels are automatically formatted with one decimal place to produce 0 1 resolution The user can select the decimal point position for Voltage and Math channels For example a Voltage channel could receive 2 0000 VDC input This would display properly
15. highlighting the text field and typing the desired text Press the enter key to move to the next text field to enter a description To skip a text field press the up or down arrow key or press esc to exit the screen The Plot Title will appear at the top of the Hot Plot screen and the channel labels will appear at the bottom next to the appropriate channel number Voltage channels display their m 4 b values if there is no Plot Label The Plot labels are saved in the experiment files for later use When new data is read from the OM 550 the software prompts the user if they want to use the existing Plot Labels Select YES to use the labels or NO to erase any labels previously established OM 550 DOS Software 990 2 8 HOT PLOT Option 8 HOT PLOT on the Master menu plots the experiment data in a graphical format and allows the user analyze the data The HOT PLOT screen is designed for use with either a mouse or a keyboard and this manual describs the functionality for both The HOT PLOT has the following features STATUS BAR DATA GRAPH MAGNIFY FILE LOGOO OM 5568 Experiment 01 02 8239 23 38 22 TOOL Y AXIS LABELS B 2088 OM550 2 50000 000000 MAGNIFY HOT PLOT koom Temperature MAP Press Esc Quit Pegg ator Volts HOT PLOT Elements OM 550 DOS Software 10 2 8 1 STATUS BAR The top of the Hot Plot shows the File Name Plot Title and Time Stamp X Y Readout TIME STAMP FILE NAME PLOT TITLE X 8 Y READOUT Ce
16. unnar erna 26 ANNE oo 27 4 7 OPERATION AT FULL CACHE RECORDING TIME 28 dedo edo A A A 29 OTTI ate tcc EE ai 29 O 19 sp pa p ann pa 29 4 11 REJECTION FREQUENCY ennta rennur 29 BOAT IB RATION MODE ee 30 ON T a 31 4 14 VOLTAGE INPUT TEE 32 4 14 1 MATCHING TRANSDUCERS TO THE OM EEO anne 32 4 14 2 MATCHING A VOLTAGE TRANSDUCER eeen 32 4 14 3 MATCHING A CURRENT TRANSDUCER sssesssssesssseesssseessseessssesssseeerssesseseeeeaee 33 4 14 4 DATA SCALING mX b Calculation ccccsssseessssesssseessssesssssesssseeessseessseeersnesssseeeesee 34 4 14 5 MATCHING AND SCALING A VOLTAGE TRANSDUCER aaa 35 4 14 6 MATCHING AND SCALING A CURRENT TRANSDUCER Ia aaTa 37 EE 39 ae e EE 40 APPENDIX A CALIBRATION AAA A RAR BRAGA a 45 e MANUAL RESET cin rann rann 45 e PERFORMING A MANUAL RESET annarrar 45 CALIBRATION PROCEDURE adios 46 e VOLTAGE ADJUSTMENT PROCEDURE ssessssesssssesssseessssessssessssueerssesensteerssessesneeeane 47 e THERMOCOUPLE ADJUSTMENT PROCEDURE a aaaaaaaassaa 47 SEXTING EE 48 APPENDIX B SPECIFICATIONS aasan 49 OM 550 eiie Introduction This User s Guide explains how to use OM 550 This manual is written for users of varied experience If a section covers information you already know feel free to skip to the next section e Terms used in this Manual In this manual the following definitions are used for special terms and symbols
17. 50 POLLUTION DEGREE Pollution Degree 2 per IEC Publication 664 This classification means that normally only non conductive pollution in the form of dust occurs Occasionally however a temporary conductivity caused by condensation must be expected INSTALLATION CATEGORY OVERVOLTAGE CATEGORY Installation Category ll per IEC publication 664 This classification applies to products used on electric supply branch circuits This is defined as a classification of parts of installation systems or circuits with standardized limits for transient overvoltages dependent on the nominal line voltage to earth POWER CURRENT REQUIREMENTS INTERNAL CELLS 4 AA alkaline cells OM 550 POWER INPUT 9VDC 50 mA 700 mA Peak while printing AC POWER ADAPTER INPUT 120 VAC or 230 VAC model specific OUTPUT 9VDC 1A 9W EXTERNAL OPTIONAL BATTERY PACK 12 VDC Rechargeable FUSE FOR DC POWER CABLE 2A 250V 0 25 x 1 25 6 3 mm x 32 mm BATTERY LIFE INTERNAL CELLS Approximately 8000 printed lines PHYSICAL DIMENSIONS 4 W X 9 5 D X 1 5 H with paper roll WEIGHT 2 lb with batteries and paper CALIBRATION NIST traceability RECALIBRATION PERIOD 6 months WARRANTY PERIOD 1 year SHIPPING WEIGHT 6 Lb CONNECTORS ANALOG INPUTS Miniature female thermocouple style DC POWER 5 5mm X 2 1 mm 216 X 080 male jack RS 232 DATA PORT 4 Position 4 Circuit Modular 4P4C OM 550 9514 OM 550 DOS Software FILE LOG 1 61 62 89 23 3
18. 750 scans 1400 scans 2 3 4 5 When the RUN or PROG keys are pressed the cache is automatically erased Do not press RUN or PROG until the data has been transferred to a PC otherwise it will be lost During a Manual Reset 100 phony data readings will automatically be logged to the cache as CH 1 8 CH 2 data The statistics for this artificial data can be viewed by pressing the STOP key after executing a Manual Reset explained in APPENDIX A CALIBRATION The artificial data is a functional test of the unit and can also be used to ensure that the RS 232 port connection to a PC is functioning properly When the data is transferred to a PC it will graph as a straight line with constant increasing slope y The Math channel data is not saved to cache It is calculated and transferred to A the PC durring upload refer to section 4 5 MATH PSEUDO CHANNEL for more information OM 550 15 2 4 2 STATISTICS When the STOP key pressed after a data run the Statistics are then printed This printout shows the date time number ot samples taken N and the minimum average and maximum values by channel ot the data presently stored in the cache k k k k STOP k k k k 01 09 21 01 01 00 Run statistics N 00004 Min Avg Max 1 025 87 064 62 090 49 2 050 23 025 32 Figure 2 15 lf appears on the tape as shown in Figure 2 15 the value stored in cache memory is not printable lf the selected L
19. 8 22 2 500008 0600000 1 rr Room ar 5 Batt Vol ro Volts Di Je E H el E H Dy A El wi ri E m HOT FLOT Hel Quit Press RO Press Esc al TABLE OF CONTENTS INTRODUCTION HE ii SHOW TO Se lS Wie lts sa e at ae us li Terms Used in this Manual EE li UNE ogs Manua uyu uuruuu unuman A ee ili s s SAR hee lli PC Hardware Requirements a a s al s al a al cial al olaaa iV SOM Ae SUIS CAML ON it Ra a m u uQ aaa v 1 0 STARTING THE PROGRANMN KE E KN KE KN KE EN KE KN KE EN KEN KN KE u 1 2OMASTER MENU iii EES 2 2 1 READING DATA FROM THE OM 3 2 2 LOAD EXISTING LOS PIES EE 4 2 3 MODIFY SOFTWARE CONEIGURATION a a r a arar srrrrrs rr rrrrsrsrsras 5 2 AMS T DAA ON MONIT uu u uru u uuu a a a 7 aes NAPA EIN FRIN CE nn am etre o o o 8 Ad AA 8 2 7 EDIT PLOT LABELS a KRR KRR 9 2 AA 10 O AAA A AAA AAA n 11 SA NAGNIFY RS 12 EE e A Sl ES AI AAA Quq Yu Yu als 14 23 GAAINNEL DAA a a ann 15 2 8 5 DATAGRAP EE 18 EE A UR UR 20 2 9 LIST EXISTING LOG FILES ON PRINTER ooocococcncncoconcnnononnonononcnnononcnnononcnnononcnnononnnnononcanonos 21 TOU ROO SOO CORI RE RR ean 21 APPENDIX A KEY FUNCTIONS cia idas 22 OM 550 DOS Software sis INTRODUCTION This Software User s Guide explains how to use Omega s OM 550 DOS software The software requires an IBM PC or compatible
20. DING TIME The OM 550 includes a battery backed 28 Kb data cache The cache is erased when the RUN or PROG keys are pressed and new data is stored during logging The OM 550 can be programmed to stop when the data cache is full or to log continuously and overwrite the oldest data when the cache fills When the RUN key is pressed the selected operation and the time required to fill the cache is displayed In this example the unit will stop on a full cache RUN KEY PRESSED kkkkkkkk kkkkkkkk RUN Log Interval 00 10 00 Stop in 0002 10 20 00 Print data Yes No 00 12 56 01 01 00 1 005 41 V 2 0072 1 C Figure 4 5 CACHE FULL IN 2 DAYS 10 HRS and 20 MIN PRESS YES OM 550 LOGS amp PRINTS THE TIME DATE amp FIRST DATAPOINTS Operation at full cache is determined during programming To program the OM 550 to stop logging when the cache is full answer the programming prompts as follows PROG OK KEYS PRESSED PRESENTLY SET TO OVERWRITE FULL CACHE THE SELECTION IS ECHOED THE TIME DATE AND MENU PRINT OM 550 kkkkkkkk PROG kkkkkkk Log Interval HHMMSS Log Interval 00 01 00 Full in 0002 10 20 00 Stop on full cache Y N Stop on full cache kkkkkkk EXIT kkkkkkk 00 13 37 01 01 00 RUN starts logging STOP stops logging PROG starts programming Figure 4 6 PRESS OK PRESS YES EXIT PRESS THE EXIT KEY AND IT IS ECHOED 4284 4 8 DATE The current date is entered d
21. Data Graph Magnify can be performed multiple times If the Magnify tool is used more than eight times the software will display a message box informing that too to many magnifications have been requested III PA 1 li II OM 550 DOS Software 130 2 8 3 Y AXIS LABELS The Y Axis labels to the left of the Data Graph include the channel number range of values and units If no channels are linked together then the Y Axis labels show the information for the last channel selected FILE LOGOB1L OM 558 Experiment 01 02 29 Press F8 Helyp Press Esc Quit For example if you plot channel 1 then add channel 2 the Y Axis Labels will show the Channel 2 information To display the Y Axis Labels for channel 1 deselect then reselect that channel See section 2 8 4 CHANNEL DATA for more details OM 550 DOS Software 140 2 8 4 CHANNEL DATA The Channel Data includes status boxes to show which channels are presently selected graphed and which are linked together on a common Y Axis scale The boxes in the right column show which channels are Selected and the boxes in the left column show which channels are Linked together The boxes toggle between the selected and deselected FILE LOG 1 OM 558 Experiment 01 8259 M E 2 50000 6006008 1 0060600 0006008 HOT FL T Room dem era tune Press On ppp Or telts CHANNEL LINK CHANNEL UNITS BUTTONS CHANNEL TYPE CHANNEL SELECT BUTTONS Channel Data To selec
22. F key will cause it to print kkk KR AK AK OFF k k k k k k k k Figure 2 6 then deactivate lt will remain OFF until the ON key is pressed The OM 550 can turn itself OFF power save mode when logging at long intervals to conserve power refer to section 2 4 3 POWER SAVE MODE for more information If the unit is powered down pressing the ON key will activate the unit but only the key name will print with the following message ON RUNNING kkk Figure 2 7 OM 550 059 e RUN The RUN key activates the OM 550 to begin logging The data is stored in internal memory optionally printed and can be transferred to a PC at a later time When the RUN key is pressed the messages shown in Figure 2 8 are displayed k k k k RUN kk KKK k k Log Interval 00 10 00 Stop in 0001 05 10 00 Print data Yes No Figure 2 8 This printout shows the pressed key RUN and how often the inputs will be sampled as HH MM SS hours minutes seconds shows the time required to fill the data cache as DDDD HH MM SS days hours minutes seconds indicates that the unit is programmed to automatically stop when the cache is full and asks if the data should be printed during logging refer to section 4 7 OPERATION AT FULL CACHE RECORDING TIME Pressing the YES key will activate the OM 550 to begin collecting data for all active channels those not programmed as SKIP The inputs will be sampled at the pres
23. IN ADAPTER Figure 3 4 The cable is fitted with a 4P4C connector for the Data Port on the OM 550 and a 6P4C connector for an adapter The adapters convert 6P4C connectors to 9 pin or 25 pin PC serial port connectors DB9 or DB25 female A Figure 3 5 To minimize danger to personnel and to avoid ground loops which could affect measurement accuracy never connect the OM 550 to a PC and to the signal inputs simultaneously OM 550 21 4 0 PROGRAMMING When prior to operating the OM 550 it must first be programmed This section covers all of the programming options available All programmed settings but the time amp date are stored in EEPROM and retained even if the batteries are removed e Programming outline 1 Select Channel 1 6 elf Channel 1 5 Set Channel Type J K T E V Skip lf Channel Type J K T Or E Return To Select Channel If Channel V Voltage Set Mx And B Set Engineering Units Set Decimal Position Return To Select Channel lf Channel Type Skip Return To Select Channel e If Channel 6 Math lf Channel Type Skip Return To Select Channel If Not Channel Type Skip Set Math Function X Select First Operand Channel Select Second Operand Channel Set Engineering Units Set Decimal Fix Position Return To Select Channel Set Log Interval Select Activity at Full Cache Set Date Set Time Select Temperature Units F C Select 60 50 Hz A D Reject Select Calibratio
24. NTER WINDOW The OM 550 has a protective viewing window that can be removed to clear paper jams or to allow closer inspection of the print head paper path To remove the Viewing Window 1 Lift under the bottom edge to a 45 degree angle then pull it away from the case as shown in Figure 2 10 Figure 2 10 2 Replace the window by reversing the removal sequence making sure the tabs click into place The window material is very durable but may be scratched by abrasives For best service clean it regularly with mild soap and a soft cloth Avoid solvents and harsh abrasives that might scratch the viewing area or interfere with the mechanical operation of the printer head OM 550 9 2 1 5 THERMAL PAPER Two thermal paper rolls are supplied for printing logged and programming data The paper is placed on the paper bail with the active side of the paper inserted face down into the rear paper feed slot Refer to section 3 2 PAPER INSTALLATION for more information 2 1 6 BATTERY COVER Four AA Batteries are supplied in the kit that must be installed prior to operation The Battery cover is located on the bottom side of the OM 550 To remove it simply slide it toward the thermal paper roll refer to section 3 1 1 BATTERY INSTALLATION for more information 2 1 7 DC JACK Omega offers an optional AC Power Adapter and a DC Power Cable designed to extend battery life Both of these items are inserted into the DC Jack and t
25. S NO Overwrite full cache Date MMDDYY PRESS CURRENT DATE Date XX XX XX Time HHMMSS PRESS CURRENT TIME Time XX XX XX Celsius units Yes No PRESS NO Farenheit selected 60HZ REJECT Yes No PRESS OK 60Hz selected Calibrate Yes No PRESS YES Cal mode ON Tadjust 00 0 kkkkkkk EXIT kkkkk PROGRAMMING IS DONE Figure A 3 OM 550 46 e VOLTAGE ADJUSTMENT PROCEDURE 1 Use a white copper voltage connector and copper wire for all voltage and thermocouple inputs during calibration 2 Locate the access hole for the Volt Gain adjustment on the bottom of the OM 550 VOLT GAIN erc J S N MADE IN USA TEMP GAIN GAIN ADJUST Figure A 4 Apply a 2 00000 VDC standard voltage to channel 1 Start logging and produce a printout press RUN YES on the keypad Adjust the Volt Gain pot for a CH 1 reading of 2 0000 V 0 0001V Press the STOP key oe ae 7 Proceed with the thermocouple adjustment e THERMOCOUPLE ADJUSTMENT PROCEDURE 1 Apply a 49 996mV type K 2250 F standard voltage to channel 2 Locate the access hole for the Temp Gain adjustment in the back cover Start logging and produce a printout press RUN YES on the keypad Adjust the Temp Gain pot for a channel 2 reading of 2250 0 F 1 F Press the STOP key OL se A OM 550 9474 e EXITING CAL MODE When calibration is complete the unit is still in th
26. Table of Contents The Lee HO Nanni nica iii EMS USES MA arna a lil Aa nee E jii Operator Safely INIOMMAUON ssiri i iv EHNEN 1 20 FEATURES une 2 2 1 IMHO OO FEATURES ie 2 AGNESAR io 3 RE YPAD ias 4 EK dad ee ee eee 5 e RON DEE 6 A e ee ee eee 7 sl A SG nRT te tr ee ete eter ra Oe er ee ee ee 7 eege 7 SEET 8 2 PRINTER VINO Wa e 9 2 ho T REPMALE PAPEF ds 10 AMO BATTERY COVE o 10 2 ER LE 10 2 1 8 SERIAL DATA DOT 10 RE CERN 11 ASTAN D ea 11 RZ E BN R A RT 12 ET ER KE 13 20 1 VOLTAGE TRANSDUCGER INPUT cds 13 EE 13 ER Ener e EE IS EN KEE 14 2 4 PROGRAMMED FEATURES coccoocccccncccnnccnoccncnncccnnconononnnononnnnononnnnnonnnnnonnnnnnnononnnnnnnancnnonennnnns 15 241 DATA GAG AE ds 15 AS A Ml o aL 16 E STREET 17 2 4 4 LOW BATTERY OPERATION 17 pao MA e AA o A nn 17 OM 550 oi 30 SET UP uuruuu uuu aaa aaa aaa aaa ala aa a a a aaa 18 REENEN 18 3 1 1 BATTERY INSTALLATION canon annonces 18 3 1 2 CONNECTING THE AC POWER ADAPTER scssssesssssessssesssssesssseesssseessseeersneseeseeeeate 19 3 1 3 CONNECTING THE DC POWER CABLE a aaaaaaasaaaaas 19 SA PAPERINSTALCATION hassi atan 20 3 3 DATA PORT CONNECTION sisi iiaias 21 O PROGA TUE 22 4 1 PROGRAMMING KEYS ocio 23 4 2 PRINT F RNA A INN Cessna d su la 24 4 3 TEMPERATURE CHANNELS rennur renna canon renna 25 4 ANOLTAGE CHANNEL Sarandi 25 4 5 MATH PSEUDO CHANNEL
27. ailable from the Keypad but many operators prefer to print it and save the printout to avoid the delay while it reprints OM 550 9390 5 0 OPERATION The following section will guide the user through a typical logging process These steps may vary depending on the type of data the user is logging When using this procedure it may be necessary to refer to section 4 0 PROGRAMMING for proper programming procedures and alternate options 1 Turn the OM 550 ON 2 Press the PROG key to confirm the current programming information KKKKKKK PROG KKKKKKK 00 10 14 01 01 00 Interval 00 00 30 60Hz Full in 0001 05 10 00 Tadjust 00 0C 1 V V 1 00000 000000 2 K C EXIT leaves program mode OK skips to next field Select channel 1 6 Figure 5 1 Programmed Information de If the channel information is correctly programmed press the EXIT key to accept I the current settings and the OM 550 is ready to log data 2 Select a type of voltage or thermocouple input for each channel J K T E V SKIP or press OK to advance to the next item Select channel 1 6 CH1 Type J K T E V SKIP 1 CH2 Type J K T E V SKIP 2 CH3 Type J K T E V SKIP 3 CH4 Type J K T E V SKIP A CH5 Type J K T E V SKIP 5 CH6 Type J K T E V SKIP 6 Figure 5 2 Channel Type Selection OM 550 40 3 Enter the desired Log Interval time or press OK to advance to the next item Log Interval HHMMSS
28. aster Menu prints the saved LOG files to the printer Set the printer up using Option 3 Modify Software Configure To list log files 1 Press the key and the printing process will start When it is finished spooling the program will automatically return to the Master Menu 2 10 QUIT Option 10 Quit on the Master menu quits the software program To quit 1 Press if the data has not been saved the software program will prompt the user to save it If you want to save press Y for Yes and N for no OM 550 DOS Software 210 APPENDIX A KEY FUNCTIONS There are several keys used to control functions on the HOT PLOT screen the keys and functions they control are listed below Selects X Cursor 1 Toggles Channel 1 ON OFF Selects X Cursor 2 Toggles Channel 2 ON OFF Selects X Cursor 3 la Toggles Channel 3 ON OFF Selects X horizontal zoom zone Toggles Channel 4 ON OFF Selects Y vertical zoom zone ls Toggles Channel 5 ON OFF Prints Screen ls Toggles Channel 6 ON OFF Help Menu el o o LP LA Ki em 4 Toggles X Cursor Data Time Point i Toggles Channel 1 ON OFF for Linking At kl Toggles Channel 2 ON OFF for Linking At la Toggles Channel 3 ON OFF for Linking At la Toggles Channel 4 ON OFF for Linking At s Toggles Channel 5 ON OFF for Linking At ls Toggles Channel 6 ON OFF for Linking OM 550 DOS Software 4220
29. being used begin with step 3 below This probe is already matched to the OM 550 1 First find the Matching resistors 1 2 maximum current 0 003 2 0 0015 Amps R1 2 1 R2 V 2 2 0 0015 10 2 0 0015 13332 53330 2 Check V R1 R2 V R2 1333 5333 1 5 mA 1333 1 5 mA 9 999 1 9995 With these matching resistors the OM 550 will see a max 2 VDC at the Transducer max output of 10 VDC OM 550 35 3 Next find m amp b X1 0 VDC 0 A D counts 2 0000 VDC 20000 A D counts 20 00 RH 2000 display counts 90 00 RH 9000 display counts Y1 Y2 X1 X2 minimum expected input at Transducer minimum output maximum allowable input at Transducer maximum output choose decimal point 2 keep decimal point 2 Desired RH resolution 2 places to right 2000 9000 0 20 000 0 35000 Y2 m X2 9000 0 350 20 000 002000 4 Programming for the previous example Select channel 1 6 CH1 Type J K T E V SKIP Program volts mx b m Postitive Yes No m polarity m Val 0 00000 9 99999 m 0 35000 b Postitive Yes No b polarity b Val 000000 999999 b 002000 Units 00 64 99 to list Units RH Decimal Position 0 5 Decimal position 2 1 V RH 0 35000 002000 Select channel 1 6 PRESS THE EXIT KEY AND IT IS ECHOED kkkkkkkk EXIT kkkkkkkk OM 550 Figure 4 10 of the de
30. cimal point 01 RH PRESS 1 PRESS V PRESS YES PRESS 035000 PRESS YES PRESS 002000 PRESS 58 PRESS 2 THE FINAL CHANNEL DESCRIPTION 9360 4 14 6 MATCHING AND SCALING A CURRENT TRANSDUCER Example Given a 0 150 PSI transducer with a 4 20 mA output Program the OM 550 to indicate 0 150 PSI with 0 01 PSI resolution lf the 4 20 mA Current Probe is being used begin with step 2 below This probe is already matched to the OM 550 1 First find the Matching resistor R1 2 2 20 mA 2 0 02 100 Q When the transducer output is 4 mA the OM 550 will see 0 4 VDC and when the transducer output is 20 mA the OM 550 will see 2 VDC 2 Next find m amp b X1 X2 Y1 0 4000 VDC 4000 A D counts 2 0000 VDC 20000 A D counts 0 00 PSI 0 00 PSI 150 00 PSI 15000 display counts Y1 Y2 X1 X2 0 15000 4000 20000 0 93750 Y2 m X2 15000 0 93750 20000 003750 MA minimum expected input at Transducer minimum output maximum allowable input at Transducer maximum output minimum transducer output choose decimal point 2 Notice the decision to indicate with 0 01 PSI resolution determined a decimal position of 2 OM 550 9374 3 Programming for the previous example Select channel 1 6 CH1 Type J K T E V SKIP Program volts mX b m Postitive Yes No m polarity m Val 0 00000 9 99999 m 0 93750 b Postitive Yes No b
31. e CAL mode it is ignoring the cold junction compensation To return to normal operation e Press PROG on the keypad to enter the programming mode then use the OK key to step down through the menu to the Calibration prompt and then answer NO Calibrate Yes No Cal mode OFF Change Tadjust ies Hoi Tadjust 00 0 kk KK RK EXIT kkk k kkk Figure 6 1 OR e Turn the unit OFF and back ON if desired OR e Perform a Manual Reset OM 550 044830 APPENDIX B SPECIFICATIONS OM 550 at 25 C unless otherwise stated LTAGE MEASUREMENT INPUTS IMPEDANCE VO THERMOCOUPLE INPUTS ACCURACY TYPE RANGE C J 165 to 60 O to 60 K 101 to 1250 0 to 1250 T 105 to 400 0 to 400 E 140 to 660 0 to 660 TYPE RANGE F J 265 to 1400 32 to 1400 K 150 to 2282 32 to 2282 T 158 to 52 32 to 52 E 220 to 1225 32 to 1225 OM 550 RANGE RESOLUTION ACCURACY CMRR NMRR ABSOLUTE MAXIMUM OVERVOLTAGE PROTECTION TYPES RESOLUTION INPUT IMPEDANCE LEAD RESISTANCE EFFECT COLD JUNCTION COMPENSATION CMRR at 50 60 Hz NMRR at 50 60 Hz 10 Meg Q nominal 2 VDC 100 uV 500 uV gt 120 db at 50 60 Hz gt 45 db at 50 60 Hz 120 VAC J K T E 0 1 C or F 100 Meg Q lt 20 UN 8009 0 5 C Max 10 C to 40 C gt 120 db gt 60 db TABLE CONFORMITY TOTAL ACCURACY 0 08 0 8 0 08 0 6 0 10 0 8
32. e transducer s output to an acceptable level without overloading it 4 14 2 MATCHING A VOLTAGE TRANSDUCER Use two resistors to attenuate a voltage without overloading the transducer The method shown here will draw approximately half of the transducer s maximum current at full scale p gt WWW gt R2 TRANSDUCER y R1 OM 550 INPUT OUTPUT Figure 4 8 V transducer maximum output voltage 1 2 transducer s maximum output current Hi 2 1 R2 V 2 l The 10 Voltage Probe P N E29 0050 35 uses this technique to attenuate 10 VDC signals to the input range of 2 VDC OM 550 0320 4 14 3 MATCHING A CURRENT TRANSDUCER Use one resistor to develop the necessary voltage at the input E gt iu TRANSDUCER R1 V M INPUT OUTPUT SE Figure 4 9 V OM 550 maximum input voltage 2 0000 VDC Ri 1 2transducers maximum output current R1 2 l The 4 20 mA Current Probe uses this technique with R1 100 Q to convert a 4 20 mA current to a 0 4 2 0 VDC signal OM 550 9330 4 14 4 DATA SCALING mX b calculation The output voltage of a properly matched transducer can be read the but the data will be in volts and the user might prefer data in units that reflect the application Programming the OM 550 to produce data in terms of the actual parameter being measured is called Scaling The linear slope intercept formula Y mX b makes this possible Given an input X careful choice of
33. ery pack or in a motor vehicle Plug the small DC plug into the jack on the left side of the OM 550 For continued fire protection use only the specified DC power cable which contains a two ampere fuse OM 550 19 3 2 PAPER INSTALLATION 1 Unwind several inches of paper from the paper roll 2 Fold the end of the thermal paper over creating a straight flat edge as shown in Figure 3 2 This creates a strong edge and allows the paper properly center in the printer when inserting it into the rear paper slot Paper orientation is very important because only one side is coated for thermal printing lt Figure 3 2 3 Insertthe paper into the rear paper slot as shown in Figure 3 2 Turn the OM 550 ON then press and hold the PAPER FEED key to feed the paper through the printer Figure 3 3 4 After the paper appears in the front window pull several inches through 5 Test the operation of the printer amp paper feed mechanism by turning the unit OFF and back ON When finished examine the printed messages for clarity OM 550 4200 3 3 DATA PORT CONNECTION Prior to transferring data the OM 550 must be connected to a PC with the RS 232 cable assembly supplied with the kit The cable assembly includes a telephone style cable and two adapters The OM 550 for Windows software supplied with the kit is used to transfer data through the OM 550 RS 232 Port to a PC for analysis and storage 9 P
34. es Use only alkaline size AA batteries Do not use rechargeable Ni cad cells e The DC power cord connects to a 12V DC automobile cigarette lighter and then the DC power plug is inserted into the DC Jack e The External 12V DC Rechargeable battery pack is connected to the OM 550 by connecting the DC power cord to the battery pack and the DC power plug to the DC Jack on the left side of the OM 550 Polarity of the connection does not matter Install the internal batteries as a back up source of power to avoid loss of data when using the AC Power Adapter or the external battery pack OM 550 4124 2 3 INPUTS As previously discussed the OM 550 accepts either voltage or thermocouple inputs The Signals discussed in this section are input through one of the channel connectors on the right side of the OM 550 2 3 1 VOLTAGE TRANSDUCER INPUTS The Voltage connector used for inputs is a white connector with copper pins Figure 2 13 2 3 2 PROBES Optional Voltage and Current probe sets are available for the OM 550 They provide a convenient way to connect the OM 550 to voltage or current signals PROBE SET APPLICATION 2 VDC VOLTAGE connects to signals in the 2 VDC range 10 VDC VOLTAGE connects to signals in the 10 VDC range 4 20 mA CURRENT converts 4 20 mA loop currents to 2 VDC signals For convenience the OM 550 can be programmed to Scale data The following table includes m slope b offset and dp decimal point se
35. et log interval and the data will be printed and saved to the cache If the log interval is greater than 1 minute the unit will turn OFF Power save mode between scans to save battery power If the NO key is pressed data will still be collected and saved to the data cache but not printed This will save power and paper allowing the unit to log at shorter log interval settings Only the statistics will print when the STOP key is pressed The data can of course be printed after it is transferred to a PC OM 550 o6 e STOP Once logging is started it will continue until the STOP key is pressed the unit is deliberately turned OFF or the batteries are exhausted The OM 550 can also be programmed to automatically stop logging when the data cache if full To stop logging first ensure that the unit is awake then press the STOP key lf the unit is in Power save mode press ON and then the STOP key instead The unit will complete the current scan but logging is now disabled and the Statistics will be printed e PROG EXIT This key toggles the OM 550 in and out of the Program mode Pressing the PROG key enters the Program mode and will erase the data cache and print a complete description of its current programming The Activity LED double blinks and the horn double beeps to signal that the unit is in Program mode Refer to section 4 0 PROGRAMMING for more information Pressing the EXIT key accepts all existing programm
36. expressed in HH MM SS hours minutes seconds lt can be programmed from one second to one day 00 00 01 to 23 59 59 The Keypad has no colon key so enter the log interval as six numbers and the colons will automatically be inserted The interval can be set much faster than it can print it At short Log Intervals the OM 550 waits until printing is complete before beginning another scan so the data may actually be acquired less often than the Log Interval setting suggests If this occurs an error message is printed when the STOP key is pressed kk KEK STOP kk KEK 01 09 21 01 01 00 Log Interval exceeded Run statistics N 00004 Min Avg Max 1 025 87 064 62 090 49 LOG INTERVAL WARNING Figure 4 4 This Interval Overrun can be avoided in two ways e Choose not to print the data at RUN time e Choose a longer log interval to allow time to print The Minimum log interval is 1 second but the actual rate can depend upon the number of active channels battery Voltage input connector and whether or not data is being printed The following table gives approximate minimum Log Intervals when logging with fresh batteries ACTIVE CHANNELS NOT PRINTING PRINTING 1 1 second 5 seconds 2 1 7 3 1 8 4 2 9 5 2 10 6 2 11 For example the above table shows that if all six channels are logging and printing the data it can require up to 11 seconds to complete one scan print cycle OM 550 9274 4 7 OPERATION AT FULL CACHE RECOR
37. he highlight cursor will move down to the next item The following definitions explain what items can be configured using this screen OM 550 DOS Software 9590 e Select the PC COM serial interface port that will be used to transfer data from the OM 550 to the computer The available ports are COM1 and COM2 e Select a Printer type supported printers fall into one of four groups See the README file for more details e Select paper orientation of printed data Portrait or Landscape e Enter a Company name that will be included when you Print the data List or save it as a Text file e The Next Available File Number determines the number assigned to the next saved file The user can select the next file number that will be assigned to an experiment when it is saved The software will then automatically increment the file number up one for each new experiment saved If an error has been made use the Backspace key to remove it and then re enter a new selection 3 When all the desired items have been entered press the esc key and the selections will be automatically updated to the M51 CON file OM 550 DOS Software 960 2 4 LIST DATA ON MONITOR Option 4 List Data on Monitor on the Master menu allows the user to view the experiment data in columnar format To list data 1 Press the key and experiment data will start scrolling vertically across the screen To stop or start the data press the Spacebar at any ti
38. he software will automatically return to the Master Menu 2 6 SAVE TEXT FILE Option 6 Save Text File on the Master menu allows the user to save the currently loaded data as a text file suitable for direct import into a standard spreadsheet format To save data as text 1 Press the 5 key and the data will automatically be saved to the same file name but with the file extension of PRN For example if the loaded file name is LOG006 BIN the saved text file will be LOG006 PRN See File Formats section or more information OM 550 DOS Software 480 2 7 EDIT PLOT LABELS Option 7 Edit Plot Labels on the Master menu allows the user to choose Plot Labels for any OM 550 channel Plot Labels are text on the Hot Plot graph to identify the data from each individual channel the graph Title or other notes about the data For example Channel 1 might be labeled as Boiler Room Temperature The label would be displayed near the channel 1 description on the Hot Plot screen To edit a plot label 1 Press the key and the Plot Label screen will appear Current Value OM 550 Experiment LABEL PLOT AND CHANNELS PLOT TITLE MAI ai CHANNEL 1 CHANNEL 2 CHANNEL 3 Room Temperature CHANNEL 4 Batt Volts CHANNEL 5 Regulator Volts CHANNEL 6 Diff NOTE Best Guess at Channel locations USE AND y TO MOVE CURSOR HIT RETURN TO CHANGE Esc MENU Plot Labels Screen 2 Enter the Plot title and channel labels by
39. hen to the proper power source refer to section 3 1 2 CONNECTING THE AC POWER ADAPTER and 3 1 3 CONNECTING THE DC POWER CABLE for more information 2 1 8 SERIAL DATA PORT The RS 232 Port transfers the logged data to a PC The port uses a telephone style 4P4C connector shown in Figure 2 11 SERIAL DATA PORT Figure 2 11 OM 550 10 2 1 9 GAIN ADJUST The Gain Adjust holes are used when performing a Voltage or Temperature calibration procedure There are two holes located on the bottom of the OM 550 one for adjusting the Volt Gain and another for adjusting the Temp Gain see APPENDIX A CALIBRATION for more information 2 1 10 TILT STAND The Tilt Stand to allows the user to get a better view of the Keypad and printed data Tilt the OM 550 up by rotating the stand downward until it comes to a complete stop and then set the OM 550 on a table or flat surface Figure 2 12 OM 550 119 2 2 POWER SUPPLIES As previously discussed the OM 550 operates from four AA internal batteries AC power adapter DC power cable or an external rechargeable battery pack Prior to use always ensure that external power supplies are operating properly before connecting them to the OM 550 e The AC Power Adapter plugs into an appropriate 120V AC in North America power outlet and then the DC power plug is inserted into the DC Jack on the left side of the unit The AC Power Adapter does not charge the internal batteri
40. ing and returns the unit to a ready state Incomplete keyboard entries part of a new date for example are rejected and the Activity LED and horn return to a single beep blink e OK The OK key is used only during programming Use it to accept the current item as is without changing This function skips quickly down through the programming menu to reach a particular item to be reprogrammed All accepted items are printed as confirmation Refer to section 4 0 PROGRAMMING for more information OM 550 o 2 1 3 CHANNEL CONNECTORS The five input connectors on the right side of the OM 550 accept either voltage or thermocouple inputs values A Sn 32 Ue S a E er eee The mating connectors are color coded by conductor material as described in the table below For best accuracy use the appropriate color ot connector Figure 2 9 CONNECTOR COLOR APPLICATION White Uncompensated Voltage inputs Black Type J thermocouples Yellow Type K thermocouples Blue Type T thermocouples Purple Type E thermocouples Orange Type N thermocouples e Optional Connectors White Type B thermocouples Green Type S or R thermocouples To minimize danger to personnel and to avoid ground loops which could affect measurement accuracy always disconnect the RS 232 cable before attaching the input signals OM 550 084 2 1 4 PRI
41. m and b can scale the output Y to any value with some restrictions e Some m or b values will produce values too large or small to print although they will be correctly saved to memory for transfer to a PC Such values will print as TT Refer to section 4 2 PRINT FORMATTING e The OM 550 can resolve 100 uV 0 0001 VDC This means that one A D converter count the LSB is worth 0 0001 VDC and the maximum input voltage 2 0000 VDC represents 20 000 A D converter counts e The mand b values you choose must be within the allowable ranges 9 99999 lt m lt 9 99999 999999 lt b lt 999999 The following equations show how to scale data to the actual value of the parameter being measuring They assume that an increasing transducer output indicates an increasing parameter If your system is inversely proportional just change the sign of the m value Remember that m and b can be positive or negative X1 minimum voltage expected at the input X2 maximum voltage expected at the input Y1 minimum parameter value for your application Y2 maximum parameter value for your application m Y1 Y2 X1 X2 b Y2 m X2 OM 550 9340 4 14 5 MATCHING AND SCALING A VOLTAGE TRANSDUCER EXAMPLE Given a 20 90 RH Relative Humidity transducer with a 0 10 VDC output at a maximum current of 3 MA Program the OM 550 to indicate 20 00 RH to 90 00 RH that is to indicate RH with 0 01 resolution If a 10 Voltage Probe is
42. me To increment individual data points one at a time press an arrow key once L b au Data Transfer Your Company Mame Log Interval 00 00 12 Time Stamp 23 30 22 01 0203 RejFreq 6 Math Channel Ch Ch5 Plot Title OM550 Experiment Beat Guess at Channel locations 1 2 3 Room Temperature 4 Batt Volts b Regulator Woltz 6 Diff hd Ch2 Ch Chi Chi Ch6 Y Y K W Y MATH UNITS V V F ki Y V M 5D0ODD 41 00000 LZ 50000 42 50000 F0D00000 000000 000000 FOO 0800 Ee Lise D 208 0 141l2 Da 0 1437 0 lt 8d6 0 1450 0 2633 0 1462 D 2813 0 1473 0 603 0 1477 0 2800 0 1485 0 2791 D 1493 D 2 B3 0 1505 D 2775 B E E LO LD LO O ARA Lin Lo Pi Ro bb Oo Mee PA CO H 40 00 J Ch OT Lu GJ kd RFP FA Pe bo Bo P Pal Dol d SdL iS S 1993 5 1825 6 1705 6 1595 9 1500 5 1415 9 1340 9 1270 5 121 Press any key to continue ERC to abort Listing Data 2 Press the esc key when finished viewing data OM 550 DOS Software 4 B517 4 34 2 4 8183 BO TU d 7965 4 7973 1 7793 1 720 d 76535 4 7600 HIHIETPUIIIIII ql WS WI WI I IL 2 2 5 PRINT DATA ON PRINTER Option 5 Print Data on Printer on the Master menu allows the user to print the data in columnar format on the selected printer as discussed in section 2 3 MODIFY SOFTWARE CONFIGURA TION To print data 1 Press the key and the printing process will automatically start when the data is done spooling t
43. minal of the 9V DC input power connector and the RS 232 serial data port while that channel is being measured This interconnected common circuitry is not connected to ground or to the enclosure of the OM 550 If the OM 550 is interconnected to a desktop computer its internal circuitry very likely could be connected to ground through the serial data port of the computer The enclosure and the measurement circuitry provide functional isolation of the measurement and data circuitry sufficient to allow for small electrical noise related potentials to occur This functional isolation is not intended for electrical safety isolation Therefore for electric shock protection and to prevent fire and damage to data interconnect wiring due to high currents the input channels must not be connected to objects at elevated electrical potential e Do not operate the OM 550 in flammable or explosive atmospheres Such usage constitutes a fire or explosion risk e For electric shock protection only operate the AC power adapter indoor location e For continued fire and electric shock protection use only the specified power adapter e For continued fire protection use only the specified optional DC power cable which incorporates a two ampere fuse A two ampere fuse Is incorporated in the cigarette lighter plug which is part of the DC power cable This fuse provides overcurrent protection should a short or overload circuit occur in the OM 550 or the DC
44. n Master Menu OM 550 DOS Software 420 2 1 READING DATA FROM THE OM 550 Option 1 Reading Data from the OM 550 on the Master menu allows the user to transfer the data from the OM 550 to the PC mann Before starting the read process the communication cable must be installed and the OM 550 is ON UU VM IL 2 To transfer data 1 Press the key and instructions how to properly transfer data will appear on the screen TO TRANSFER DATA 1 Make sure the RS 232 cable is connected 2 Make sure the OM550 is ON Press ON OFF KEY if not 3 Press any key to start data transfer Data Transfer Screen 2 Press any key to start transterring data and the number of bytes being moved will appear on the screen lf the program detects any errors during the data transfer an error message will appear JN If the same communication port is being used for both the mouse and OM 550 be AMRAN sure to reconnect the mouse after the data has been read OM 550 DOS Software 30 2 2 LOAD EXISTING LOG FILES Option 2 Load Existing LOG Files on the Master menu allows the user to load saved LOG files into the software program To load a LOG file 1 Press the z key and a list of saved experiment files will appear The list includes the Log Interval used to acquire the data the Date and Time when the last datapoint in the file was taken the Number of data points in the file and the Optional Plot Title assigned to the file
45. n Mode e f Normal Mode Selected Set Tadjust Programming Done e f Calibration Mode Selected Programming Done OF Dl 5 OY When operating the OM 550 and you are unsure of the programmed settings a Manual Reset can be performed to force it to a standard configuration refer to section APPENDIX A CALIBRATION for more information OM 550 4220 4 1 PROGRAMMING KEYS Pressing the PROG key activates the Program mode The unit immediately prints the current programming information and prompts the user to select a channel to reprogram KKKKKKK PROG kkkkkkk 00 10 14 01 01 00 Interval 00 00 30 60Hz Full in 0001 05 10 00 Tadjust 00 0C 1 V V 1 00000 000000 2 K CG A leaves program mode OK skips to next field Select channel 1 6 CURRENT TIME AND DATE DATA CACHE INFORMATION LOG INTERVAL AND REJECTION FREQUENCY ONLY TWO CHANNELS ARE ACTIVE THE PROGRAM COMMAND A KEY OK OR EXIT MUST BE PRESSED Figure 4 1 Channels may be defined as Voltage Temperature T C or Skipped To save paper and speed programming the definitions for Skipped channels are not printed in the above listing The EXIT key may be pressed at any time to leave the Program mode All completed programming will be retained but partial entries will be ignored The OK key is used only during programming It lets the user accept the current setting and advance to the next item to be programmed This is helpful if only one or two features need to
46. o another channel For example if channel 1 is a Type K Temperature channel and the user wants to log CH 6 CH 14 10 C then e Program CH 5 as a Voltage channel m 0 00000 b 000100 dp 1 units 00 e Program CH 6 as CH 1 CH 5 Other math functions can be used for desired results Now channel 5 will always be logged as 0010 0 regardless of the actual input voltage and channel 6 will be logged as CH 1 10 Refer to section 4 14 4 DATA SCALING mX b calculation for more information about m and b The format rules for printing Math channel data are the same as for other channels a Eze will be printed if the value exceeds the available space or the decimal position selected during programming Refer to section 4 2 PRINT FORMATTING for more information Although Math channel data may be calculated and printed it is not actually stored in the cache memory When the cached data Is transferred to a PC the software recreates the Math channel data as necessary This has one limitation only one cache full of data can be sent to the PC If more data than will fit in the cache is logged then the oldest data is lost and the Math channel statistics printed on STOP will be based on data unavailable to the PC If this is a problem program the OM 550 to stop logging when the cache is full OM 550 4260 4 6 LOG INTERVAL The each active channel is scanned once during each log interval The Log Interval is the time between readings
47. og Interval was shorter than the time required to log or log and print the data the Statistics will include a warning refer to section 4 6 LOG INTERVAL for more information kk AKER STOP kk KKK LOG INTERVAL WARNING i aa Log Interval exceeded Run statistics N 00004 Min Avg Max 1 025 87 064 62 090 49 Figure 2 16 lf no samples were taken no data has been written to the cache In this case N 0 and there will be no statistics to print OM 550 16 2 4 3 POWER SAVE MODE When logging data the OM 550 prolongs its battery life by automatically turning OFF power save mode when unattended no key closures detected for about 1 minute If the OM 550 is in RUN mode it will wake and log data at the next appropriate time When the OM 550 is in the Programming and CAL modes it remains ON and must be turned OFF manually 2 4 4 LOW BATTERY OPERATION The OM 550 continually checks the battery voltage and automatically turns OFF when the batteries are exhausted Printing will then be inhibited because the required power is not available but the time date and cached data are retained lf the batteries are exhausted while logging the OM 550 will automatically stop then turn OFF Printing time is will also be prohibited and data will be retained To retrieve the data connect the AC Power Adapter or the collected data will be lost if the batteries are removed Connect the OM 550 to a PC and t
48. or batch variances in thermocouple wire or to align the readings with another measurement device Tadjust is programmed differently from other values because its use Is different The Tadjust value is cumulative When a value of 0 2 C is selected during programming that amount is added to the present Tadjust value For example if the user wants to read exactly like another instrument and if Tadjust 00 3 and the readings are one tenth of a degree below the other instrument then increase Tadjust by 00 1 The final Tadjust value will be 00 2 and the two units will now produce the same readings OM 550 31 4 14 VOLTAGE INPUT SCALING Any of the input channels 1 through 5 may be programmed as Voltage channels Each Voltage channel includes unique m and b constants for scaling data to your application These constants default to 1 00000 and 000000 respectively when the channel is first programmed as a Voltage channel but the user may reprogram them as necessary The following pages include examples for common transducers 4 14 1 MATCHING TRANSDUCERS TO THE OM 550 Some transducers provide a voltage output others provide a current output This section explains how to use resistors to match either output to the input Currents must be converted to a voltage and voltages must be attenuated reduced if they can exceed the maximum input 2 0000 VDC This process is called Matching which means converting or attenuating th
49. polarity b Val 000000 999999 b 03750 Units 00 64 99 to list Units PSI Decimal Position 0 5 Decimal position 2 1 Y PSI 0 93750 003750 Select channel 1 6 PRESS THE EXIT KEY AND IT IS ECHOED kkkkkkkk EXIT kkkkkkkk OM 550 Figure 4 11 PRESS 1 PRESS V PRESS YES PRESS 093750 PRESS NO PRESS 003750 PRESS 55 PRESS 2 THE FINAL CHANNEL DESCRIPTION 0380 4 15 UNIT LABELS Each channel includes a character Unit label The Unit label is assigned during programming and printed with the data for that channel during logging All Temperature channels use one common label C or F Refer to section 4 10 TEMPERATURE UNITS for more information Each Voltage channel may be programmed with an individual Unit label and every avallable label has an associated number When prompted for a Units label during programming enter the corresponding number to assign the Unit or press 99 to see a list of the labels and their associated numbers as below Units 00 64 99 to list 00 01 A 02 a 03 AH 04 BBL 05 BEL 06 BPD O7 BPH 08 BTU 09 C 10 cc 11 CAL 12 CFM 13 CG 14 CM 15 CP 16 CS 17 CV 18 dB 19 DEG 20 FS 21 F 22 FPM 23 FPH 25 FT 26 G THE LIST PRINTS 28 GAL 29 GPD NOTE THAT THE 31 GPM 32 HP 00 BLANK 35 Hz THE PROMPT REPEATS 48 mY 51 P 5 4 PPM 57 R 60 SEC 63 Y Figure 4 12 38 Kg 41 M 4 4 MHO 4 1 MPH THE SELECTION IS ECHOED This list is always av
50. power cable OM 550 ive For protection of the OM 550 itself observe the following e Do not immerse the OM 550 in liquids e Do not subject the OM 550 to sharp impacts or drops e Do not expose the OM 550 to corrosive environments e Extended exposure to temperatures below the specified minimum may damage the battery optional external rechargeable battery pack only e Extended exposure to temperatures above the specified maximum may damage the OM 550 itself or its optional external rechargeable battery pack e Do not excessively stress the power input the RS 232 serial data and the accessory port connections The warranty will not cover damage caused by neglect or abuse of this product To maintain the safety features incorporated in this product operation must be in strict compliance with the requirements specified herein OM 550 ove 1 0 UNPACKING Unpack the unit carefully Be sure to check for options and accessories that may have been packed separately Retain the shipping carton for reshipment for recalibration or any other purpose THERMAL PAPER ROLL VOLTAGE INPUT CONNECTOR CABLE ADAPTERS 4 1 5V AA BATTERIES User s Guide ws User s Guide A Wull sec SA GN SMEECASS Ju Title Sub title Version X XX Date 1 1 00 Disk X of x OMEGA ANGNEERING NG
51. puter with a EGA video card e CD C M50 M50V If you have a computer with a VGA video card e CD C M50 M50H lf you have a computer with a Hercules video card When the program begins it will display the Master Menu OMS50 Graphic Analysis Software Vl JU Copyright Omega Engineering ECD 1938 99 95 OM550 GRAPHIC ANALYSIS MASTER MENU l Read Data From OM550 2 Load Existing LOG File 3 Modity Software Configuration d List Data on Monitor 5 Print Data on Printer 6 Save Text File LOGNNN PRN f Edit Plot Labels 8 HOT PLOT L List Existing Log Files On Printer O Qui L Current File Loaded LOGOC1L brn Master Menu Screen OM 550 DOS Software o1 2 0 MASTER MENU The Master Menu lists the options available to assist the user to read data from the OM 550 read an existing experiment file or modify the software configuration parameters custom labels and computer configuration The following sections will describe how each option will assist the user to analyze the data collected by OM 550 lot A III MIL WI II IL 2 OM550 Graphic Analysis Software WL 30 Copyright Omega Engineering ECD 1938 99 95 OM550 GRAPHIC ANALYSIS MASTER MENU l Read Data From OM550 2 Load Existing LOG File 3 Modity Software Configuration 4 List Data on Monitor 5 Print Data on Printer 6 Save Text File LOGNNN PRW f Edit Plot Labels 8 HOT PLOT L List Existing Log Files On Printer O Qui t Current File Loaded LOGOCL br
52. t a channel to graph 1 Click the Channel select button s with the mouse pointer or press a number key 1 6 For example press number key 3 to turn channel 3 ON or OFF OM 550 DOS Software 150 The software initially expands each plot line vertically to fill the entire screen All of the data can be seen but each channel is shown with a different Y scale To compare the plot lines from several channels on a common Y scale the lines must be linked together To link plot lines 1 Determine which channels are displayed on common Y Axis Selected channels will be scaled together The multi channel select deselect feature also works when linking channels 2 Click the Channel link button s with the mouse pointer or press the alt key a number key For example press alt 4 then alt 5 to select channels 4 and 5 to be linked together The next two illustrations show channels 4 and 5 prior to linking and the result of when the user has linked them together 1 23 15 34 Y 23 0160 C H H H E L 4 u E 23 15 22 23 28 22 23 25 22 17 38888 1928888 i HOT PLOT Room hebr a tune Batt Volts 7 8548 Press F8 Help Regulator Volts 4 6925 Press Esc Quit DIFE Channels 4 amp 5 Before Linking OM 550 DOS Software 160 FILE LOGBB1 OM 55 Experiment 2 1 23 15 34 Y C H H H E L 4 u E 23 15 22 23 28 22 23 25 22 2 9560000 BAA 1 00000 BAA Room Temperature Batt Volts Regulator Volts Dit f
53. t may be reprogrammed to 50 Hz as necessary This setting is stored in EEPROM and retained when the batteries are removed OM 550 4290 4 12 CALIBRATION MODE The OM 550 includes a Cold Junction Compensation network server that is automatically disabled during temperature calibration Calibration mode temperature measurements performed in the usual manner will appear abnormal with the OM 550 in the CAL mode When the OM 550 is in the CAL mode the time and date are printed with additional characters UNUSUAL FORMAT DENOTES CAL MODE CAL 00 00 01 01 01 00 RUN starts logging STOP stops logging PROG starts programming Figure 4 7 To return to Normal mode e Turn the unit OFF then back ON e Reprogram the unit answering NO to the CAL Mode prompt e Perform a Manual Reset When unattended for about 1 minute the OM 550 normally turns OFF Power save mode This operation is different in the CAL mode the unit does NOT automatically turn OFF Tadjust is cleared to 00 0 when entering the CAL mode and must be reprogrammed when the unit is returned to the Normal mode See APPENDIX A CALIBRATION for more information OM 550 9300 4 13 TADJUST Tadjust is a cumulative value set during programming and summed with each Temperature channel s data during logging It is cleared to a value of 00 0 at Manual Reset and on entry to the CAL mode Use Tadjust to correct temperature readings f
54. t of functions will be printed 9430 OM 550 11 Press the RUN key and the OM 550 will print the log interval stop time and prompt the user to choose if they want to print the data while logging When either YES or NO is selected the data collection process automatically begins kk RK kk AK RUN kk k k k k k Log Interval 00 10 00 Stop in 0001 05 10 00 Print data Yes No Figure 5 11 12 When the data collection process is complete the data stored in the internal cache can now be transferred to a PC 13 Connect the RS 232 cable to the Data port on the OM 550 and make sure the other end is connected to the PC refer to section 3 3 DATA PORT CONNECTION for more information 14 Turn the OM 550 ON and transferred the data into the software program for analysis and data basing Use the appropriate OM 550 Software and Manual for detailed data transfer information 44 APPENDIX A CALIBRATION e MANUAL RESET A Manual Reset returns the OM 550 to a known condition This is useful when troubleshooting or learning to program the unit A Manual Reset programs the OM 550 as follows CH1 is a Voltage channel m 1 00000 b 000000 dp 4 units 63 V CH2 is a Type K thermocouple Temperature channel CH3 through 5 are Skipped CH6 is Skipped but defined as CH4 CH5 decimal fix 1 units 00 Blank The Temperature Units for all temperature channels are C The Real time Clock Calendar is initialized to 00 00
55. the PC display e File Formats Data transferred from the OM 550 to a PC can be stored to disk in two file formats Experiment files LOG BIN are stored in binary format to conserve disk space Experiment files contain the OM 550 data and the labels assigned from the Master Menu Experiment files are the primary storage medium for the software program and can be recalled from the hard drive at any time The data may also be saved in Text files LOG PRN for export to spreadsheet programs Although the software can write both types of files it can only read the Binary BIN files The software always loads LOG001 BIN when it starts Existing files can then be loaded using option 2 Load Existing LOG File from the Master Menu Experiment files are automatically numbered when saved to disk The numbers can be controlled using Option 3 Modify Software Configuration from the Master Menu lf the data is graphed before being saved it has no filename The name is displayed on the graph as LOG to remind the user to save the data before exiting the program In general the software is designed to help the user avoid losing valuable data OM 550 DOS Software siii PC Hardware Requirements Before OM 550 DOS software can be used a 386 or better computer will be required to run the software Specific recommendations are as follows CPU RAM Hardware 386 640K RAM minimum 400KB of free disk space Disk Drive 3 5
56. ttings for common probe applications PROBE INPUT RANGE m b dp PRINT RANGE UNITS 2 V 2 VDC 1 00000 000000 4 2 0000 to 2 0000 Vi 10 V 10 VDC 0 50000 000000 3 10 000 to 10 000 V 0 10 VDC 0 50000 000000 3 00 000 to 10 000 V 0 5 VDC 0 50000 000000 3 00 000 to 05 000 V 1 5 VDC 0 50000 000000 3 01 000 to 05 000 V 4 20 mA 4 20 mA 1 00000 000000 3 04 000 to 20 000 mA Default label for VOLTAGE channels Example only many UNIT labels are available Refer to sections 4 75 UNIT LABELS and 4 14 VOLTAGE INPUT SCALING for more information OM 550 13 2 3 3 THERMOCOUPLE INPUTS Use a connector of the appropriate color by thermocouple T C type as explained previously Determine the polarity by the thermocouple type and insulation color T C TYPE POSITIVE LEAD NEGATIVE LEAD J white red K yellow red T blue red E violet red Attach the thermocouple to the connector as shown below RED T C WIRE Figure 2 14 OM 550 14 2 4 PROGRAMMED FEATURES There are special programmed features that support the operation of the OM 550 These features are described in the following sections 2 4 1 DATA CACHE The OM 550 contains a 28 Kbyte data cache that retains its data even when the unit is OFF Each data point occupies four bytes of cache memory thus the capacity of the cache depends upon the quantity of active unskipped channels ACTIVE CHANNELS CACHE CAPACITY 7000 scans 3500 scans 2333 scans 1
57. uring programming and is kept in a real time clock that is backed by the AA batteries The clock will then be accurate unless the batteries are removed or a Manual Reset is executed The Keypad has no colon key so enter the date as six numbers and the colons will automatically be inserted as necessary 4 9 TIME The current time is entered during programming and kept in real time clock that is backed by the AA batteries The clock will then be accurate unless the batteries are removed or a Manual Reset is executed The Keypad has no colon key so enter the time as six numbers and the colons will automatically be inserted as necessary 4 10 TEMPERATURE UNITS Any channel except the Math channel may be programmed to be a Temperature channel All Temperature channel data is scaled stored and printed in the current temperature units C or F The temperature units selection applies to all channels defined as J K T or E thermocouple inputs This selection is stored in EEPROM and retained even if the batteries are removed Tadjust is not scaled in the current temperature units It retains its value when the temperature units are changed Refer to section 4 13 TADJUST for more information 4 11 REJECTION FREQUENCY An A to D Conversion method is used by the OM 550 that can be optimized to reject inputs at the ambient power line frequency for greater measurement precision The Rejection Frequency defaults to 60 Hz at Manual Reset bu
58. urn it ON Now transfer the data as usual lf the batteries become completely exhausted or removed the cached data is lost but all programming except the time and date is retained 2 4 5 BATTERY CHECK To check the battery voltage disconnect the AC Power Adapter and press the VOLTS key while the units is ON but not running logging data Battery Approx 5 2VDC Figure 2 17 Fresh batteries typically read from 5 9V to 6 4V Consider replacing the batteries when the readings fall below 5 0V Readings near 4 5V show that the batteries are nearly exhausted OM 550 o17 3 0 SET UP This section provides the necessary information to set the OM 550 up for proper operation 3 1 POWER CONNECTION As previously discussed there are several options to supply power to the OM 550 and the following sections explain how to use them 3 1 1 BATTERY INSTALLATION Slide the battery cover open and insert the batteries as shown below Replace the cover and turn the unit ON by pressing the ON OFF key The OM 550 will then activate and initiate printer activity If the OM 550 does not respond ensure that the batteries are properly positioned When the batteries have been removed from the OM 550 for an extended period the unit may activate printer activity may begin immediately upon insertion of the batteries without pressing the ON OFF key OPEN
59. user configurable EXPERIMENT FILES GN DISK File Interval Last Data Taken Points Plot Title LOGOO6 00 00 10 14 22 51 08 14 99 00707 LOGOOS 00 00 10 15 20 18 12 11 99 00600 LOGOO4 00 00 01 19 00 12 05721799 00100 LOGOOS 00 00 05 10 46 48 11 02 99 00011 LOGOd2 00 00 01 12 15 55 10 13 99 02000 TYPE IN EXPERIMENT FILE NAME e q LOGUUS OR Esc IF NONE Lets Log Files Screen 2 At the prompt type a number of an experiment to load for example LOG 003 If an incorrect entry in entered an error message will appear OM 550 DOS Software o4 2 3 MODIFY SOFTWARE CONFIGURATION Option 3 Modify Software Configuration on the Master menu allows the user to configure the system by selecting the serial port printer print orientation company name and next file number Me ut UV AI To make changes 1 Press the key and a list of configuration items will appear Current Value 2 SOFTWARE CONFIGURATION LOGOO1 PC COM Channel 1 CoM1 2 CoM2 2 PRINTER 1 3TD 2 CLR 1 3 CLR 2 4 LASER 1 PRINTER 1 PORTRAIT 2 LANDSCAPE d COMPANY Your Company Name NEXT AVAILABLE FILE NUMBER UU USE AND TO MOVE CURSOR HIT RETURN To CHANGE Esc HENU Software Configuration Screen 2 To make new entries or change existing ones use the up and down arrow keys to highlight the item to change The new entry first appears on the line at the top of the screen then it is copied to the highlighted area when you press enter and t
60. ust value is a convenient numeric constant whose value does not change when the units are changed refer to section 4 13 TADJUST for more information 4 4 VOLTAGE CHANNELS Any of the five channels can be programmed as Voltage channels Voltage channels can accept inputs over a range of 2 0000 VDC and the user can scale the data so that it prints in the range of values appropriate for their application The optional Probes include attenuators to permit 10 VDC or 4 20 mA signal measurements Refer to section 2 3 2 PROBES and 4 14 VOLTAGE INPUT SCALING for detailed information OM 550 25 4 5 MATH PSEUDO CHANNEL The OM 550 has five physical channels and a sixth channel that can display the result of a math operation involving any two of the other channels or a single channel twice The channels chosen as a basis for the Math channel are its constituents The Math channel can be activated or skipped during programming Math channel data will be printed only not stored to RAM if it and both constituent channels are active not skipped If the Math channel is active its data will be printed and included in the run statistics with data from the other channels as channel 6 refer to section 2 4 2 STATISTICS To inhibit the Math channel program it as Skipped or program it as the combination of at least one other Skipped channel The Math channel can be used to multiply another channel by a constant or add a constant t
61. with decimal point positions of 0 through 4 but be printed as if the position 5 is chosen because 2 0000 cannot be displayed in a field The solution in this example is to reprogram the channel s decimal point position to 4 as follows Select channel 1 6 Press the channel Program volts mxX b m Postitive Yes No Press OK to accept the present setting m polarity m Val 0 00000 9 99999 Press OK m 1 00000 b Postitive Yes No Press OK b polarity b Val 000000 999999 Press OK b 000000 Units 00 64 99 to list Press OK Units V Decimal Position 0 5 Press 4 Decimal position 4 Figure 4 3 Notice that each selection is echoed whether it is changed or accepted by pressing OK OM 550 4244 4 3 TEMPERATURE CHANNELS Any of the five channels can be programmed as Temperature channels The user may select one of the four standard thermocouple types J K T or E and three optional types B S or R The Thermocouple types can be mixed For example channel 1 with a Type E thermocouple and channel 2 with a Type J thermocouple may be used Temperature channel data is calculated saved and printed in the temperature units currently selected C or F The temperature units are chosen during programming and affect all Temperature channels and Tadjust Temperature channel readings are automatically converted from Fahrenheit to Celsius according to the selected temperature units but the Tadj

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