Protocol Analysis
R&S
®
RTM20xx
188User Manual 1317.4726.02 ─ 01
Overload ← Frame <type>
An overload frame is sent by a node that needs a delay between data and/or remote
frames.
Data ← Frame <type>
Frame for data transmission.
The identifier format is also considered, see "ID type" on page 190.
Remote ← Frame <type>
Data: Frame for data transmission.
A remote frame initiates the transmission of data by another node. The frame format is
the same as of data frames but without the data field.
The identifier format is also considered, see "ID type" on page 190.
Data or remote ← Frame <type>
Triggers on remote frames and on data frames.
The identifier format is also considered, see "ID type" on page 190.
Error <type>
Identifies various errors in the frame. You can select one or more error types as trigger
condition.
The first key press enables the "Error" trigger type, the second opens the "Error" menu.
Remote command:
TRIGger:A:CAN:TYPE on page 407 (ERRCondition)
Stuff bit ← Error <type>
The frame segments Start Of Frame, Arbitration Field, Control Field, Data Field and CRC
Sequence are coded by the bit stuffing method. The transmitter automatically inserts a
complementary bit into the bit stream when it detects five consecutive bits of identical
value in the bit stream to be transmitted. A stuff error occurs when the 6th consecutive
equal bit level in the mentioned fields is detected.
Remote command:
TRIGger:A:CAN:BITSterror on page 410
Form ← Error <type>
A form error occurs when a fixed-form bit field contains one or more illegal bits.
Remote command:
TRIGger:A:CAN:FORMerror on page 410
Acknowledge ← Error <type>
An acknowledgement error occurs when the transmitter does not receive an acknowl-
edgment - a dominant bit during the Ack Slot.
Remote command:
TRIGger:A:CAN:ACKerror on page 410
CAN (Option R&S RTM-K3)
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