Omega Vehicle Security OM-550 specs

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

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Image 33

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

Contents

Table of Contents Date Time ∙ The OM-550 Datalogger may be referred to as Logger Introduction Product Usage Warnings Operator Safety Information For 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 Window Thermal Paper Battery CoverDC Jack Serial Data Port Tilt Stand Gain Adjust Power Supplies Voltage Transducer Inputs InputsProbes Probe SET Type Thermocouple Inputs Data Cache Programmed Features Statistics POWER-SAVE Mode LOW Battery OperationBattery Check Battery Installation Power Connection Connecting the DC Power Cable Connecting the AC Power Adapter Paper Installation PIN Adapter Data Port Connection ∙ Programming outline 1. Select Channel Programming Programming Keys Position Print Formatting Voltage Channels Temperature Channels Math PSEUDO-CHANNEL LOG Interval This Interval Overrun can be avoided in two waysNot Printing Operation AT Full Cache Recording Time Rejection Frequency Temperature Units To return to Normal mode Calibration Mode Tadjust Matching Transducers to the OM-550 Voltage Input ScalingMatching a Voltage Transducer R1 = 2 R2 = V-2 Matching 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 Transducer U38u Unit Labels Programmed Information Operation Log 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 Procedure To return to normal operation ∙ Exiting CAL Mode Appendix B Specifications Voltage Measurement InputsAccuracy Paper Life PrinterDigital Interface RS-232 Conversion Battery Life POWER/CURRENT RequirementsPhysical Dimensions Connectors OM-550 DOS Software Table of Contents Introduction How to Use This Manual Fonts Used in this Manual Printer CPU, RAM, Hardware ∙ Hard Drive Installation Software Installation To start the program Starting the Program Master Menu Reading Data from the OM-550 To load a LOG file Load Existing LOG Files Modify Software Configuration U6u To list data List Data on Monitor Save Text File Print Data on PrinterTo print data To save data as text To edit a plot label Edit Plot Labels HOT Plot Status BAR To Magnify a portion of the Data Graph Magnify Tool Magnify MAP Magnified Area Axis Labels To select a channel to graph Channel Data To 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 Menu List Existing LOG Files on Printer To list log filesTo quit Appendix a KEY Functions