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CAN Bus / OBD-II Bluetooth Scanner – Device Setup

The jCOM.CAN.BTS is a CAN Bus and OBD-II scanner device with Bluetooth connection. It scans user-defined CAN message frames and transmits them per Bluetooth to a PC or Android phone or tablet.

Connecting Bluetooth to a Windows PC

Connecting Bluetooth to an Android Device

Device Setup

The RS232 interface is used for the device setup per PC (terminal program)and on-site firmware upload, using an RS232 to USB cable. Connect the device to your PC (which can be either Windows or Linux) and start a terminal program and select to the corresponding COM port. The device setup is managed at a serial baud rate of 9600 baud, which is the default for the majority of terminal programs.

Note: Popular terminal programs for Windows are RealTerm and Tera Term.

At startup and when hitting the ‘h’ key, the following help screen will appear:

a – Add Message Filter

Hit the ‘a’ key to add a message filter, and the following information will appear:

In this example, we added the message ID 00000000.

Note: Please be aware that the gateway will allow all message IDs per default. As soon as you apply one or more message filters, only those message IDs will be allowed.

b – Set CAN Baud Rate

Hit the ‘b’ key to set the CAN baud rate. The following screen will appear:

In this example, we hit ‘b’ to select a CAN baud rate of 500 kbit/sec.

c – Display Current CAN Settings

Hit ‘c’ to display all current CAN settings, such as CAN Bus baud rate and selected message ID length.

Display current CAN Bus settings

d – Delete Message Filter

Hit the ‘d’ key to delete a message ID filter.

Delete CAN Bus message ID filter

In this example, we deleted the filter for message ID 1F00. The response will be as displayed in the image, or the system will point out that the ID was not part of the message filter list.

f – Flash Programming

Hit the ‘f’ key to initiate the flash programming feature, and confirm with Y/N.

Flash Programming Mode

For more information on the firmware updating process, see Firmware Versions & Update.

i – Set Message ID Length

Hit the ‘i’ key to set the message ID length.

Set CAN Bus Message ID length

Per default, the gateway will read and forward CAN Bus message frames with either an 11- or 29-bit message ID. This feature allows the user to limit the number of allowed message frames to those that match the selected message ID length.

m – Show Active Message Filters

Hit the ‘m’ key to display all active CAN Bus message ID filters.

Display all active CAN Bus message ID filters

p – Toggle – Pass All Message Filters

Hit the ‘p’ key to pass all message IDs for temporary use, and hit ‘p’ again to turn the feature off and activate the currently active message filters.

Pass all CAN Bus messages

r – Reset All Message Filters

Hit ‘r’ to delete all CAN Bus message filter IDs and confirm with Y/N.

Reset all CAN Bus message ID filters

s – Store Parameters

Hit ‘s’ to store all CAN Bus settings (CAN baud rate, message ID length, and message ID filters) to the internal SD card.

Store CAN Bus settings

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