Tektronix MDO3012, Руководство пользователя

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Acquire the Signal
LIN Bus
To acquire data from a LIN bus, you need to also set up these items:
1. If you selected LIN , push De fi ne Inputs and
the appropriate side menu choices.
Bus B1
LIN
De fi ne
Inputs
Thresholds Con fi gure B1 Label
LIN
Bus
Display
Event
Table
2. Turn Multipurpose a to select the channel
connected to the LIN bus source.
LIN Input
(a) 1
3. Turn Multipurpose a to set the Sample
Point from 5% to 95% of the position within
the bit period or the unit interval.
Sample
Point
50%
4. Select the Polarity to match the LIN bus
being acquired.
Polarity
Normal
(High=1)
Polarity
Inverted
(High=0)
5. Push Con fi gure and the appropriate side
menu choices.
Bus B1
LIN
De fi ne
Inputs
Thresholds Con fi gure B1 Label
LIN
Bus
Display
Event
Table
6. Push Bit Rate , and turn Multipurpose a to
select from the list of prede fi ned bit rates.
Alternatively, you can set the bit rate to a
speci
fi c value. To do so, select Custom , and
then turn Multipurpose b to set the bit rate
from 800 bps to 100,000 bps.
Bit Rate
(a)
19.2K bps
7. Push LIN Standard , and turn Multipurpose
a to select the appropriate standard.
LIN
Standard
v1.x
8. Push Include Parity Bits with Id to select
whether or not to include parity bits.
Include
Parity Bits
with Id
On Off
MDO3000 Series Oscilloscopes User Manual 77