MDO3000 Programmer Manual.pdf - 第200页

Commands Listed in A lphabetical Order Arguments ISO sets the CAN FD standard to ISO CAN FD (1 1898-1:2015) NONISO sets the CAN FD standard to non-ISO CAN FD (B osch:2012) Examples BUS:B1:CAN:FD :STANDard IS O sets the C…

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Commands Listed in Alphabetical Order
BUS:B<x>:CAN
:FD:BITRate
Specifies the FD bit rate for the CAN bus. This is the bitrate used for CAN FD
frames transmitted with increased data phase rates. The maximum bitrate for
MDO3000 mode
ls is 7 Mbps. The maximum bitrate for MDO4000C models
is 10 Mbps.
Conditions
This feat
ure requires installation of a DPO4AUTO or DPO4AUTOMAX
application module for MDO4000C models, or MDO3AUTO for MDO3000
models.
Group
Bus
Syntax
BUS:B<x>:CAN:FD:BITRate <NR1>
BUS:B<x>:CAN:FD:BITRate?
Arguments
<NR1> is the FD bit rate. The instrument supports bit rates at 100 bps intervals.
You can enter any positive integer, and the instrument will coerce the valueto
the closest supported bit rate.
Returns
The query always returns the numerical FD bit rate value.
Examples
BUS:B1:CAN:FD:BITRate 2000000 sets the FD bit rate to 2000000.
BUS:B1:CAN:FD:BITRate? might return 4000000, indicating that the FD bit
rate is 4 Mbps.
BUS:B<x>:CAN:FD:STANDard
Specifies the CAN FD standard to use.
Conditions
This feature requires installation of a DPO4AUTO or DPO4AUTOMAX
application module for MDO4000C models, or MDO3AUTO for MDO3000
models.
Group
Bus
Syntax
BUS:B<x>:CAN:FD:STANDard
BUS:B<x>:CAN:FD:STANDard{ISO | NONI SO} string
BUS:B<x>:CAN:FD:STANDard?
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-169
Commands Listed in Alphabetical Order
Arguments
ISO sets the CAN
FD standard to ISO CAN FD (11898-1:2015)
NONISO sets the CAN FD standard to non-ISO CAN FD (Bosch:2012)
Examples
BUS:B1:CAN:FD:STANDard ISO sets the CAN FD standard to ISO CAN FD.
BUS:B1:CAN:FD:STANDard? might return :BUS:B1:CAN:FD:STANDARD
NONISO, indicating that the CAN FD standard is non-ISO CAN FD.
BUS:B<x>:CAN:PRObe
Specifies the probing method for the CAN bus.
Conditions
This command requires a DPO4AUTO or DPO4AUTOMAX application
module for all 4000 series models, or the MDO3AUTO application module for
MDO3000 series models.
Group
Bus
Syntax
BUS:B<x>:CAN:PRObe {CANH|CANL|RX|TX|DIFFerential}
BUS:B<x>:CAN:PRObe?
Arguments
CANH specifies the single-ended CANH signal, as specified by the CAN standard.
CANL specifies the single-ended CANL signal, as specified by the CAN standard.
RX specifies the receive signal on the bus side of the CAN transceiver.
TX specifies the transmit signal.
DIFFerential specifies the differential CAN signal.
BUS:B<x>:CAN:SAMPLEpoint
Specifies the sampling point, as a percent, to sample during each bit period for
the CAN bus.
Conditions
This command requires a DPO4AUTO or DPO4AUTOMAX application
module for all 4000 series models, and the MDO3AUTO application module
for MDO3000 series m
odels.
Group
Bus
2-170 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
Commands Listed in Alphabetical Order
Syntax
BUS:B<x>:CAN:
SAMPLEpoint <NR1>
BUS:B<x>:CAN:SAMPLEpoint?
Arguments
<NR1> is the sample point in percent. Values can be any integer from 5 to 95.
For a CAN 2.0 bus the allowable sample point range is 5% to 95%.
For a CAN FD bus the allowable sample point range is 15% to 95%.
NOTE. CAN FD requires an accurately specified sample point for correct decode
and triggering.
NOTE. CAN FD uses the same sample point percentage for bits transmitted at SD
bit rates and FD bit rates. For optimal performance, set the sample point to the
value used for SD bits (the "Arbitration Phase" sample point).
BUS:B<x>:CAN:SOUrce
Specifies the CAN bus data source.
Conditions
This command requires a DPO4AUTO or DPO4AUTOMAX application
module for all 4000 series models, and the MDO3AUTO application module
for MDO3000 series models.
Group
Bus
Syntax
BUS:B<x>:CAN:SOUrce {CH1|CH2|CH3|CH4|
D0|D1|D2|D3|D4|D5|D6|D7|D8|D9|D10|D11|D12|D13|D14|D15}
BUS:B<x>:CAN:SOUrce?
Arguments
CH1–CH4 specifies an analog channel as the data source waveform.
D0–D15 specifies a digital channel as the data source waveform.
(MSO/MDO4000/B models only as well as MDO3000 and MDO400C models
with option MDO3MSO or MDO4MSO instal
led.)
BUS:B<x>:CAN:STANDard
Specifies the CAN bus standard to use.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-171