[python source code]

d

The d commands module.

These commands are used in the following models: DPO2K, DPO2KB, MSO2K, MSO2KB

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Commands and Queries 
- D<x>
- D<x>:LABel <Qstring>
- D<x>:LABel?
- D<x>:POSition <NR3>
- D<x>:POSition?
- D<x>:THREshold {ECL|TTL|<NR3>}
- D<x>:THREshold?

DigitalBit

Bases: ValidatedDigitalBit, SCPICmdWriteNoArguments, SCPICmdRead

The D<x> command.

Description
  • This command specifies parameters for digital channel , where x is the channel number.
Usage
  • Using the .write() method will send the D<x> command.
SCPI Syntax 
- D<x>
Properties
  • .label: The D<x>:LABel command.
  • .position: The D<x>:POSition command.
  • .threshold: The D<x>:THREshold command.

label property 

label: DigitalBitLabel

Return the D<x>:LABel command.

Description
  • This command specifies the waveform label for digital channel , where x is the channel number.
Usage
  • Using the .query() method will send the D<x>:LABel? query.
  • Using the .verify(value) method will send the D<x>:LABel? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the D<x>:LABel value command.
SCPI Syntax 
- D<x>:LABel <Qstring>
- D<x>:LABel?
Info
  • <Qstring> is an alphanumeric string of text, enclosed in quotes, that contains the text label information for the digital channel waveform. The text string is limited to 30 characters.

position property 

position: DigitalBitPosition

Return the D<x>:POSition command.

Description
  • This command specifies the vertical position for digital channel , where x is the channel number.
Usage
  • Using the .query() method will send the D<x>:POSition? query.
  • Using the .verify(value) method will send the D<x>:POSition? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the D<x>:POSition value command.
SCPI Syntax 
- D<x>:POSition <NR3>
- D<x>:POSition?
Info
  • <NR3> is a floating point number that specifies the position of the digital channel, in slot units. Use the oscilloscope front-panel controls to place the channel; then query the channel to obtain an exact value for the position.

threshold property 

threshold: DigitalBitThreshold

Return the D<x>:THREshold command.

Description
  • Sets or returns the logical threshold for digital channel , where x is the channel number.
Usage
  • Using the .query() method will send the D<x>:THREshold? query.
  • Using the .verify(value) method will send the D<x>:THREshold? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the D<x>:THREshold value command.
SCPI Syntax 
- D<x>:THREshold {ECL|TTL|<NR3>}
- D<x>:THREshold?
Info
  • ECL sets the digital threshold for channel to a preset ECL high level of -1.3V.
  • TTL sets the digital threshold for channel to a preset TTL high level of 1.4V.
  • <NR3> specifies the digital threshold for channel in volts.

DigitalBitLabel

Bases: SCPICmdWrite, SCPICmdRead

The D<x>:LABel command.

Description
  • This command specifies the waveform label for digital channel , where x is the channel number.
Usage
  • Using the .query() method will send the D<x>:LABel? query.
  • Using the .verify(value) method will send the D<x>:LABel? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the D<x>:LABel value command.
SCPI Syntax 
- D<x>:LABel <Qstring>
- D<x>:LABel?
Info
  • <Qstring> is an alphanumeric string of text, enclosed in quotes, that contains the text label information for the digital channel waveform. The text string is limited to 30 characters.

DigitalBitPosition

Bases: SCPICmdWrite, SCPICmdRead

The D<x>:POSition command.

Description
  • This command specifies the vertical position for digital channel , where x is the channel number.
Usage
  • Using the .query() method will send the D<x>:POSition? query.
  • Using the .verify(value) method will send the D<x>:POSition? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the D<x>:POSition value command.
SCPI Syntax 
- D<x>:POSition <NR3>
- D<x>:POSition?
Info
  • <NR3> is a floating point number that specifies the position of the digital channel, in slot units. Use the oscilloscope front-panel controls to place the channel; then query the channel to obtain an exact value for the position.

DigitalBitThreshold

Bases: SCPICmdWrite, SCPICmdRead

The D<x>:THREshold command.

Description
  • Sets or returns the logical threshold for digital channel , where x is the channel number.
Usage
  • Using the .query() method will send the D<x>:THREshold? query.
  • Using the .verify(value) method will send the D<x>:THREshold? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the D<x>:THREshold value command.
SCPI Syntax 
- D<x>:THREshold {ECL|TTL|<NR3>}
- D<x>:THREshold?
Info
  • ECL sets the digital threshold for channel to a preset ECL high level of -1.3V.
  • TTL sets the digital threshold for channel to a preset TTL high level of 1.4V.
  • <NR3> specifies the digital threshold for channel in volts.