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1		-LSS-PRO uses the extended CAN frame format to send and receive LSS command information.
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3		-Since LSS commands are character data (1 character 1 byte), they cannot be directly assigned to the CAN Data field (8 bytes). Therefore, it converts the LSS command and assigns the conversion information to the **Identifier **and **Data field** of the extended CAN frame format.
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5		-**Extended CAN frame format (29-bit CAN ID)**
6		-
7		-Extended CAN 2.0 B has 29-bit identifier which means that there are 2^29 = 536,870,912 unique CAN-IDs. With a longer 29-bit identifier field, Extended CAN frames support a significantly larger address space. accommodating up to or over 500 million unique message identifiers.
8		-
9		-Example: 10101010111000111010101011101 (binary 29 bits) i.e., 0x155C755D (hex).
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12		-Assign LSS command information to the field in green in this image~:
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14		-[[image:Extended-CAN-frame-structure.png]]
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18	18	|(% colspan="2" rowspan="1" style="text-align:center" %)**Data format on USB-Serial**|(% rowspan="16" style="text-align:center" %) |(% colspan="3" rowspan="1" style="text-align:center" %)**Data format on CAN-Bus**
19	19	|(% colspan="2" rowspan="1" style="width:150px" %) |(% style="width:150px" %)ID[28-20]|(% style="width:300px" %)Reserved|
20	20	|(% style="background-color:yellow; width:150px" %)Header|(% style="background-color:yellow" %)# or *|(% style="background-color:yellow" %)ID[19]|(% style="background-color:yellow" %)Request/Response (0:Request 1:Response)|(% style="background-color:yellow" %)# = 0, * = 1