Protocol Analysis
R&S
®
Scope Rider RTH
217
User Manual 1326.1578.02 ─ 12
Color, display element
Description
Cyan frame header
Remote frame. Text indicates the frame type and frame ID (hex).
White frame header
Overload frame. Text indicates the frame type.
Yellow comb
ID (standard 11 bit and extended 29 bit)
Cyan comb
Data bytes
Blue comb
Data length code (DLC)
Violet
CRC
Red
Error frame, start/stop error, CRC error, stuff bit error, form error, ACK error,
insufficient frame (end of acquisition before decoding has been completed)
In "Protocol" mode, decoded data is shown in tabular form.
Figure 9-32: Decoded CAN signal in Protocol mode
Table 9-8: Content of the protocol table for decoded CAN signal
Column
Description
#
Frame index
Frame Start
Time of frame start
Frame Type
Data, remote, overload or error frame
ID bit
ID type, 11 bit standard format or 29 bit extended format
ID [hex]
Identifier value, hexadecimal value
DLC
Data length code, coded number of data bytes
Values 8 bit [format]
Values of data frames. The data format is selected in the "Bus" menu.
CAN and CAN FD (Options R&S
RTH-K3, R&S
RTH-K9)