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Dearborn Protocol Adapters (DPA III)

Dearborn Protocol Adapters (DPA III)


Dearborn Protocol Adapters (DPA III)

CAN bus, RS-232, ISA, PC/104, TCP/IP, RF, USB, LIN bus, J1850, J1939, J2284, J2411, GMLAN, Ford J1850 PWM(3-byte), GM J1850 VPWM(3-byte), DC VPWM(1-byte), J1708


(for Single-wire CAN)

DPA III/i 是一簡單的ASCII RS-232界面,讓您可以很容易的將它與可程式控制器(PLC),個人電腦及個人數位助理(像是Palm Pilot)連線。經由RS-232埠傳送簡單的ASCII命令以通知DPA III/i來傳送或接收汽車網路上的訊息。

他有堅固的外殼以及寬廣的工作電壓範圍,因此DPA III/i在業界的用量已在數以千計,並具有高度的可靠性。

支援Protocols and APIs: CAN (canbus), GMLAN, J1587, J1708, J1850 GM (Class 2), J1850 Ford (SCP), J1939, J1979, J2284.
Note: Single-wire CAN (J2411)現在已可列為選購。


Common Applications  
Application Description

Diagnostic Interface

The most common application for our DPA hardware adapters (excludes DPA III/i ASCII version) is as an OEM-labeled wireless and hard-wired interface for diagnostic software.

PC Test Interface

Many customers integrate our DPA hardware adapters (excludes DPA III/i ASCII version) into Product Validation/Design Validation (PV/DV) or end-of-line test applications.

Development Interface

Our DPA hardware adapters (excludes DPA III/i ASCII version) can also be used with our Data Link Monitor (DLM) software as an analysis tool for network development.

EOL Interface

When connected to a PLC, the DPA III/i hardware adapter will monitor or collect data in an EOL (End-Of-Line) test system.

Easy Interface

Without learning C programming, the DPA III/i hardware adapter permits easily integrating vehicle network informatin into specific applications.

Windows CE Interface

The DPA III/i hardware adapter integrates vehicle and automation networks to the Palm Pilot, WinCE, etc.

Available Accessories and Options

The following items are available

Part Number Product Name


This special cable lets you directly connect your DPA (fitted with a "/T" endplate) to Deutsch 6- and 9-pin truck diagnostic connectors.


A 6-foot cable with a standard automotive "OBDII" diagnostic connector at one end. The other end of the cable is open-ended to let you custom tailor this cable for your specific needs.


A 6-foot molded RS-232 cable to connect your DPA to your PC computer.


Set of two rubber DPA end brackets. Highly recommended to help you avoid costly "drop" damage to DPA or vehicle finish. Also makes it easy for you to firmly mount the DPA in a fixed location.


A Windows-based software analyzer package that lets you record and playback vehicle data.


An OBDII box that gives you a practical and easy way to establish in-line electrical connection to the Vehicle On-Board Diagnostic connector.

Related Products

Part Number Product Name


Data Link Monitor (DLM) software – our monitoring and analysis software application lets You validate in-vehicle network interfaces using CAN (canbus), GMLAN, J1587, J1708, J1850 GM (Class 2), J1850 Ford (SCP), J1850 DCX, J1939, J1979, J2284, and J2411 (GM SW) protocols.


Dearborn OBDII Breakout Box – our OBDII box gives you a practical and easy way to establish in-line electrical connection to the Vehicle On-Board Diagnostic (SAE J1962 or OBDII) connectors.

DOWNLOADS: See Archive Section for previous items.

Software and Device Drivers

    DPA Installation CD Free
    The ZIP file (below) contains all of the files on our new installation CD. It contains all the current drivers for all products in our DPA family. Download the file then Open it to extract the contents. When done, run the DPAInstall.EXE program to start.

    DPA customers can receive a current version of the DPA Installation CD at no cost by mail. Include your full name, company name, mailing address, telephone number including extension if applicable, and email address. Send the request to DG Technical Support.

    New! DPA "Adapter Validation Tool (AVT)" and "Why My Adapter Isn^t Working..."
    This "Adapter Validation Tool (AVT)" application allows you to test the DPA to validate its full functionality. Download the file, Unzip it and run AdapterValidationTool.exe to start the AVT program.

    There is also a closely related companion document to the AVT "Why My Adapter Isn^t Working And What To Do About It", regarding troubleshooting the DPA and RP1210 adapters. It was jointly written by Dearborn Group Technologies, NEXIQ Technologies, and Noregon Systems.

    Note: For previous software and driver versions, refer to the Archive Section of our Download page.

Product Information

Product Manuals


    Contact Dearborn Group Sales or Technical Support for upgrade information.

Source Code Examples

Additional/Other Examples

Dearborn Protocol Adapters (DPA III)簡易規格下載

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