SAE J1939 to Bluetooth, BLE Data Scanner

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Option: 9-Pin Deutsch to DB9 Connection Cable

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The 1939.BT data scanner represents a programmable, high-performance, low-latency, wireless vehicle network adapter for SAE J1939 applications. It allows any host device with a Bluetooth or BLE COM port to monitor SAE J1939 data traffic and communicate with the SAE J1939 vehicle network. An SAE J1939 cable, suited for a 9-pin Deutsch connection, can be purchased as indicated above.

The scanner supports user-programmable application parameters, such as:

• PGN Filters
• CAN Baud Rate Mode (250k/500k/Automatic)
• Listen-Only Mode (On/Off)
• Bluetooth/BLE Device ID
• UUIDs (BLE only)

These parameters are permanently stored within the scanner module but can be overwritten at any time.

The Bluetooth and BLE capabilities allow an easy connection to tablets and phones running Android or iOS, for instance, as part of an Electronic Logging Device application. See also our post:

• ELD Concept: SAE J1939 Data Recording And Display Using Android Or iOS Devices...

The J1939.BT.SCANNER data scanner receives and filters specified PGNs and translates them into a human-readable ASCII string, allowing operation with a simple terminal software while providing a universal and easy-to-establish programming interface. In turn, the data scanner will process data from the host device, for instance, for request messages.

Please feel free to contact us for more information. The expected release date is November 2022, but we can provide prototypes if necessary.

Features

• CAN Bus Interface - Fully ISO-11898 Compliant
• Onboard Interface For On-Site Firmware Update
• Bluetooth port with external antenna
• Extended Temperature Range of -40C to +85C
• Input Power Range of 7 VDC to 36 VDC
• Flame Retardant ABS Enclosure 3.29 x 2.42 x 1.00 in / 83.57 x 61.47 x 25.40 mm
• Environmentally friendly, RoHS compliant

Specifications

• CAN Interface
• CAN Controller integrated in microcontroller
• Fully ISO 11898-compliant
• Supports CAN 2.0A And CAN 2.0B
• Automatic CAN Bus Baud Rate Detection 250/500 kBaud according to SAE J1939-16
• Bluetooth Connection
• Fully certified Bluetooth version 2.1
• Backwards-compatible with Bluetooth version 2.0, 1.2, and 1.1
• Low power: 26 µA sleep, 3 mA connected, 30 mA transmit
• Bluetooth SIG certified
• Certifications: FCC, IC, CE

Note that the data scanner board does not support SAE J1939 protocol features. It merely translates PGN data in both direction with focus on data scanning rather than simulating SAE J1939 data traffic. If you need an SAE J1939 data traffic simulator, have a look at our SAE J1939 to Bluetooth Gateway Module, which comes with a free-of-charge Windows software.

Connecting Bluetooth to a Windows PC

• How to connect and pair a Bluetooth device with Windows 10…

Connecting Bluetooth to an Android Device

• Android Basics: How to connect a Bluetooth Device…

Automatic CAN Baud Rate Detection

The J1939.BT.SCANNER data scanner provides automatic CAN Bus baud rate detection according to SAE J1939-16 Automatic Baud Rate Detection Process, which requires some special attention when connecting the device to a network. For more information see our posts:

• How CAN Bus Automatic Baudrate Detection Works And What To Consider When Connecting To A Network...
• SAE J1939/16 Automatic Baud Rate Detection Process...

In accordance to SAE J1939-16 Autobaud, the device is considered to be classified as Adjustable Baud Rate PI-ECU (PI = Permanently Installed). The device remains in Silent Mode indefinitely until it detects a valid J1939 data frame.

More Resources 

• Data Scanner with Bluetooth, BLE for Android, iOS, PC Applications...
• SAE J1939 Data Scanner with BLE Interface for iOS Applications...

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