[python source code]

mathvar

The mathvar commands module.

These commands are used in the following models: DPO2K, DPO2KB, DPO4K, DPO4KB, DPO5K, DPO5KB, DPO70KC, DPO70KD, DPO70KDX, DPO70KSX, DPO7K, DPO7KC, DSA70KC, DSA70KD, MDO3, MDO3K, MDO4K, MDO4KB, MDO4KC, MSO2K, MSO2KB, MSO4K, MSO4KB, MSO5K, MSO5KB, MSO70KC, MSO70KDX

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Commands and Queries 
- MATHVAR:VAR<x> <NR3>
- MATHVAR:VAR<x>?
- MATHVAR?

Mathvar

Bases: SCPICmdRead

The MATHVAR command.

Description
  • Queries both numerical values you can use within math expressions.
Usage
  • Using the .query() method will send the MATHVAR? query.
  • Using the .verify(value) method will send the MATHVAR? query and raise an AssertionError if the returned value does not match value.
SCPI Syntax 
- MATHVAR?
Properties
  • .var: The MATHVAR:VAR<x> command.

var property 

var: dict[int, MathvarVarItem]

Return the MATHVAR:VAR<x> command.

Description
  • This command specifies one of two different numerical values you can use within math expressions. These values can range from -10.0e-18 to 1.0e+15; the default values are 0.0. specifies the location, 1 or 2, in which you can store values. Stored math variables can be referenced within math expressions as VAR1 and VAR2. For example, the following command defines MATH1 as the product of Channel 1 and math variable 1: MATH1:DEFINE ‘CH1 * VAR1’.
Usage
  • Using the .query() method will send the MATHVAR:VAR<x>? query.
  • Using the .verify(value) method will send the MATHVAR:VAR<x>? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the MATHVAR:VAR<x> value command.
SCPI Syntax 
- MATHVAR:VAR<x> <NR3>
- MATHVAR:VAR<x>?
Info
  • <NR3> is a floating point number that specifies the numerical value to be stored in location x <1 through 2>.

MathvarVarItem

Bases: ValidatedDynamicNumberCmd, SCPICmdWrite, SCPICmdRead

The MATHVAR:VAR<x> command.

Description
  • This command specifies one of two different numerical values you can use within math expressions. These values can range from -10.0e-18 to 1.0e+15; the default values are 0.0. specifies the location, 1 or 2, in which you can store values. Stored math variables can be referenced within math expressions as VAR1 and VAR2. For example, the following command defines MATH1 as the product of Channel 1 and math variable 1: MATH1:DEFINE ‘CH1 * VAR1’.
Usage
  • Using the .query() method will send the MATHVAR:VAR<x>? query.
  • Using the .verify(value) method will send the MATHVAR:VAR<x>? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the MATHVAR:VAR<x> value command.
SCPI Syntax 
- MATHVAR:VAR<x> <NR3>
- MATHVAR:VAR<x>?
Info
  • <NR3> is a floating point number that specifies the numerical value to be stored in location x <1 through 2>.