E MisfireGeneratorD A4 1 - Accurate Technologies Misfire Generator-D US.pdfMisfire Generator Diesel...
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Misfire Generator Diesel 1 OBD Calibration and Validation The Misfire Generator Diesel (MFG-D) is a specialized instrument used for development, calibration, validation and certification of diesel engine misfire diagnosis. Using the MFG-D is essential to the development of diesel engine misfire OBD systems that prevent engine misfire to improve emissions, and avoid potential damage to the engine and the exhaust treatment systems that can occur with excessive misfire rates. The MFG-D is intended to comply with the anticipated addition of diesel requirements to SAE Standard J2901. It supports a wide variety of misfire patterns and ignition systems by employing powerful microprocessor technology to deliver high accuracy, flexibility and upgradeability. The product was designed based on our deep understanding of diesel engine development, long time experience in developing OBD-related tools and input from our OEM customers and Engine Control Modules (ECM) suppliers. The MFG-D replaces ignition control signals to induce selected misfires. Select from engine-cycle or event –based signal timing methods and a wide variety of misfire patterns such as single, specific or multi-cylinder, random or periodic misfires. Optional configuration software is available for creating custom or arbitrary misfire patterns and saving configurations to CSV files for re-use. (For Injectors without Integrated Drivers) Preliminary
Transcript of E MisfireGeneratorD A4 1 - Accurate Technologies Misfire Generator-D US.pdfMisfire Generator Diesel...
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Misfire Generator Diesel
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OBD Calibration and Validation
The Misfire Generator Diesel (MFG-D) is a specialized instrument used for development, calibration, validation and certification of
diesel engine misfire diagnosis. Using the MFG-D is essential to the development of diesel engine misfire OBD systems that
prevent engine misfire to improve emissions, and avoid potential damage to the engine and the exhaust treatment systems that can
occur with excessive misfire rates.
The MFG-D is intended to comply with the anticipated addition of diesel requirements to SAE Standard J2901. It supports a wide
variety of misfire patterns and ignition systems by employing powerful microprocessor technology to deliver high accuracy, flexibility
and upgradeability. The product was designed based on our deep understanding of diesel engine development, long time
experience in developing OBD-related tools and input from our OEM customers and Engine Control Modules (ECM) suppliers.
The MFG-D replaces ignition control signals to induce selected misfires. Select from engine-cycle or event –based signal timing
methods and a wide variety of misfire patterns such as single, specific or multi-cylinder, random or periodic misfires. Optional
configuration software is available for creating custom or arbitrary misfire patterns and saving configurations to CSV files for re-use.
(For Injectors without Integrated Drivers)
Preliminary
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Misfire Generator Diesel
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OBD Calibration and Validation
Diesel Engine Compatibility
Injector types: magnetic coil and piezoelectric
Injector manufacturers: Bosch, Delphi, Paccar
Rotation speed: up to 3000 RPM
Applicable to diesel engines up to 8 cylinders
Arbitrary combinations of cylinders are allowed to participate in misfiring
ECM System Compatibility
Control Unit Manufacturers: Bosch, Continental, Delphi, Nira i7r
Maximum number of pulse injections: 10
Maximum boost voltage for injector driver signal: 110V
Maximum open current for injector driver signal: 25A
Supports pulse overlapping
Features
Freescale S12XE 16-bit microprocessor-based design for maximum flexibility and easy upgradeability
Support USB-serial connection allowing for PC software-based misfire setup
Two misfire input methods: Event-based and Engine Cycle-based
Misfire patterns: single-cylinder, multi-cylinder, specific-cylinder, random and periodic
Parameter setting: via MFG-D panel or PC software-based misfire setup via USB-serial connection
LED Displays: showing the misfire rate of applied cylinders and theoretical misfire rate of all cylinders
during 100 engine cycles; indicating the cylinders that are misfiring
Self-diagnostic function with error codes showing different scenarios of incorrect operation
Aluminum alloy housing with compact ruggedized design
Electrical Protection: Static, Reverse Power and Short Circuit
Multi-pulse injection system: support Arbitrary combinations of pulses interruption for a given cylinde
Specifications
Operating Voltage: 15 - 33 V DC
Operating Temperature: - 40 C to 120 C
Misfire Rate Range: 0~99.9%, Accuracy: +/- 0.1%
Dimensions:
Main Module: 220×165×50 mm / Weight: 1.5 kg
Remote Module: 265x189×84 mm / Weight: 5.0 kg
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Software
This software is used in conjunction with the PC Mode switch on the MFG-D main module. With this software, misfires can be
arbitrarily set among the 1000 ignition events. The final setup is downloaded into the generator through USB port for immediate
usage, or saved to a CSV file for later edit and upload. With this software, any setup configured on the panel switches can also
be saved as a CSV file. This file can also be edited and download to the hardware.
USB communication with a laptop
Supports CSV file format for configuration
Supports arbitrary misfire patterns
