Protocol analysis
R&S
®
RTE
603User Manual 1326.1032.02 ─ 20
●
"Auto thresholds"
Executes the measurement of reference levels and sets the thresholds to the mid-
dle reference level of the measured amplitude.
●
"Preset thresholds"
Selects the default threshold voltage for various signal technologies from a list. The
value is set to "Manual" if the threshold was set with "Auto threshold", or was
entered directly.
Note: If the sources are digital channels, the same threshold values are used for the
parallel and the serial buses. You can set the thresholds either in the parallel bus con-
figuration or in the serial bus configuration.
Remote command:
BUS<m>:LIN:DATA:THReshold on page 1530
BUS<m>:LIN:TECHnology on page 1530
BUS<m>:SETReflevels on page 1421
BUS<m>:FAUToset on page 1421
Bit rate
Sets the number of transmitted bits per second. The maximum bit rate for LIN is 20
kbit/s.
To select a bit rate from list of predefined values, tap the icon beside the "Bit rate" field.
To enter a specific value, open the keypad. The list of predefined values is also availa-
ble in the keypad.
If the "LIN standard" is "J2602", the bit rate is 10.417 kbit/s and cannot be changed.
Remote command:
BUS<m>:LIN:BITRate on page 1531
Polarity
Defines the idle state of the bus. The idle state is the recessive state and corresponds
to a logic 1.
Remote command:
BUS<m>:LIN:POLarity on page 1531
13.6.2.2 Configuring LIN signals
For configuration, assign the lines to the input channels, and define the active states
and the logical thresholds.
For details on configuration settings, see Chapter 13.6.2.1, "LIN configuration settings",
on page 601.
1. Press the [PROTOCOL] key on the front panel.
2. At the left hand-side, select the vertical tab of the bus you want to set up.
3. Select the tab of the bus you want to set up, for example "SB1".
4. Tap the "Protocol" button and select the protocol: "LIN".
5. Set the "Data source".
LIN (option R&S
RTE-K3)
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