HEM Data Products

DAWN Software

There are three PC software options. We also provide online solutions and real-time data on iPhone/iPad.

Watch the DAWN Mini-Logger Video


Database editor to configure Mini Loggers and decode OBD, CAN and J1939 Data. Sample databases included.


Plots data files converted in DawnEdit or in real-time. Multiple display pages, zooming, and overlay options.


Displays, sorts, and filters in-vehicle network messages.


Purpose / Feature DawnEdit™ DawnPlot™ Message Monitor™
Configure Logger *** - -
Convert Messages to Scaled Parameters *** - **
Reverse Engineer Messages * - ***
Display Messages – Post Process * - ***
Display Messages – Real-time - - ***
Filter/Sort Messages * - ***
Plotting – Post Process - *** *
Plotting – Real-time - *** *

*** Best solution          * Has capability          – Not Applicable

DAWN™ (Data Acquisition With In-Vehicle Networks) is HEM Data’s in-vehicle network data acquisition and analysis software and hardware solution to acquire data from cars, light, medium, and heavy duty trucks, and off-road vehicles.
Watch the DAWN Mini-Logger Video

J1939 Mini Logger™ OBD Mini Logger™ DAWN Telematics™ DAWN™ Software ADAQ Mini™ DAWN Dashboard™