Omega Vehicle Security OM-550 manual Operation AT Full Cache Recording Time

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4.7 OPERATION AT FULL CACHE (RECORDING 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

CACHE FULL IN 2 DAYS, 10 HRS, and 20 MIN.

PRESS YES

OM-550 LOGS & PRINTS THE TIME, DATE &

FIRST DATAPOINTS

Figure 4-5

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

PRESS OK

PRESENTLY SET TO OVERWRITE FULL CACHE

PRESS YES, EXIT

THE SELECTION IS ECHOED

PRESS THE EXIT KEY AND IT IS ECHOED

THE TIME, DATE AND MENU PRINT

Figure 4-6

OM-550

u28u

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Contents Table of Contents Date Time ∙ The OM-550 Datalogger may be referred to as Logger IntroductionProduct Usage Warnings Operator Safety InformationFor protection of the OM-550 itself, observe the following Unpacking Features OM-550 FeaturesOM-550 features Activity LED & Horn Keypad ∙ ON-OFF ∙ RUN ∙ Stop ∙ PROG/EXIT∙ OK Channel Connectors ∙ Optional ConnectorsApplication To remove the Viewing Window Printer WindowThermal Paper Battery CoverDC Jack Serial Data PortTilt Stand Gain AdjustPower Supplies Voltage Transducer Inputs InputsProbes Probe SETType Thermocouple InputsData Cache Programmed FeaturesStatistics POWER-SAVE Mode LOW Battery OperationBattery Check Battery Installation Power ConnectionConnecting the DC Power Cable Connecting the AC Power AdapterPaper Installation PIN Adapter Data Port Connection∙ Programming outline 1. Select Channel ProgrammingProgramming Keys Position Print Formatting Voltage Channels Temperature ChannelsMath PSEUDO-CHANNEL LOG Interval This Interval Overrun can be avoided in two waysNot Printing Operation AT Full Cache Recording Time Rejection Frequency Temperature UnitsTo return to Normal mode Calibration ModeTadjust Matching Transducers to the OM-550 Voltage Input ScalingMatching a Voltage Transducer R1 = 2 R2 = V-2Matching a Current Transducer = 2.0000 VDC = R1R1 = 2 Data Scaling mX + b calculation Matching and Scaling a Voltage Transducer VDC Example Matching and Scaling a Current TransducerU38u Unit Labels Programmed Information OperationLog Interval Time Temperature Units Enter a Tadjust value, or press OK to finish programming U44u Appendix a Calibration ∙ Manual Reset Manual Reset programs the OM-550 as follows∙ Performing a Manual Reset Setup ∙ Calibration Procedure∙ Thermocouple Adjustment Procedure ∙ Voltage Adjustment ProcedureTo return to normal operation ∙ Exiting CAL ModeAppendix B Specifications Voltage Measurement InputsAccuracy Paper Life PrinterDigital Interface RS-232 ConversionBattery Life POWER/CURRENT RequirementsPhysical Dimensions ConnectorsOM-550 DOS Software Table of Contents Introduction How to Use This ManualFonts Used in this Manual Printer CPU, RAM, Hardware∙ Hard Drive Installation Software InstallationTo start the program Starting the ProgramMaster Menu Reading Data from the OM-550 To load a LOG file Load Existing LOG FilesModify Software Configuration U6u To list data List Data on MonitorSave Text File Print Data on PrinterTo print data To save data as textTo edit a plot label Edit Plot LabelsHOT Plot Status BAR To Magnify a portion of the Data Graph Magnify ToolMagnify MAP Magnified Area Axis Labels To select a channel to graph Channel DataTo link plot lines Channels 4 & 5 After Linking Data Graph ∙ Data Plots ∙ X-Data Cursors∙ X-Cursor Data Table To activate the Help menu Help MenuList Existing LOG Files on Printer To list log filesTo quit Appendix a KEY Functions