78M6612-DB/OMU-USB Maxim Integrated Products, 78M6612-DB/OMU-USB Datasheet - Page 19

• Manufacturer Part Number: 78M6612-DB/OMU-USB
• Description: KIT DEMO OUTLET MEASUREMENT OMU1
• Manufacturer: Maxim Integrated Products

Specifications of 78M6612-DB/OMU-USB

• Data Bus Width: 8 bit
• Interface Type: USB
• Tool Type: Demonstration Board
• Core Architecture: 8051
• Cpu Core: 80515
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

UM_6612_012
3.2 Creating a Measurement Data Log File
Upon clicking the Run button, a File Write dialog box appears. The GUI stores retrieved measurement
data to a file for post processing. Enter the desired subdirectory and file name. Click OK to launch the
main GUI display.
The measurement data is stored as text characters delimited by commas. Click the Stop button to close
the text file and end the data logging function. New data log files are created wherever the Run button is
clicked. The data log capture automatically stops after 12 hours. 12 hours of data results in a 12 MB file.
To import the data log file into Excel, see
3.3 Selecting the Power Display Parameter
Using the Watts Selection menu under OMU Control Modes, select Watt, VA or VAR as the power
display parameter.
Real power is the time average of the instantaneous product of voltage and current (Watt).
Apparent power is the product of rms (root mean square) volts and rms amps (VA, volt-amps).
Reactive power is the time average of the instantaneous product of the voltage and current, with current
phase shifted 90 degrees (VAR, voltamps reactive).
Rev. 1.0
Section
3.19.
OMU1-S-WW Demo Unit User Manual
Watt, VA, or
VAR menu
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