User Manual TREK-570/TREK-303

6.2.3 Testing CAN

1.

Selecting "VCIL Control" page

2.

Press combo box on the channel and select "CAN" as below figure

Reading Data

1.

Selecting "CAN" page as below figure

Set CAN bus speed. For example 250K

2.

Checked "Show Data"

3.

Press "Start" button to receive CAN bus data

4.

You should see the data came from the CAN bus and show on the list

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Writing Data

1.

Selecting "CAN" page as below figure

Set CAN bus speed. For example 250K

2.

Filling the CAN bus data prepare to send

3.

Press "Write" button to send CAN bus data as above figure

4.

You should see the data on the receiver

Testing Message Mask

1.

Selecting "VCIL Control" page

2.

Press combo box on the channel and select "CAN + Mask" as below figure

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Set Mask

1.

Selecting "CAN" page as below figure

Set CAN bus speed. For example 250K

2.

Configure the Message mask

3.

Press "Set Mask" button to apply the mask to bus

4.

You should see the mask was applied on the bus.

5.

If you set a mask to bus. You should not see the specified CAN ID on the read data list if the ID not passed for the mask

Mask Rule:

The CAN Message ID & operator "Mask" equal the "ID" & operator "Mask" PASS

The CAN Message ID & operator "Mask" not equal the "ID" & operator "Mask" NO

PASS

For example, as above figure setting. If the input CAN Message ID is 0x123, the result passed. Since 0x123 & 0xffff equal the ID 0x123 & 0xffff.

If the input CAN data ID is 0x120, the result not passed. Since 0x120 & 0xffff not equal the ID 0x123 & 0xffff.

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