ebilab.visa

VISA対応デバイスを制御するためのパッケージです。

注釈

VISAドライバー（Keysight-VISA または NI-VISA）がインストールされている必要があります。

Base Class

class ebilab.visa.VisaDevice(*, addr: str | None = None, **kwargs: Any)

ベースクラス: object

Base class of visa device.

You can inherit this class and implement class to new device.

pyvisa_inst

instance from ResourceManager.open_resource of pyvisa module Please use this only when you use method which is not supported in VisaDevice class

Type:

Any

property addr: str

VISA address of device

pyvisa_inst: Any

visa_query(cmd: str) → str

Send command to visa device and read output from device Equivalent to inst.query() in pyvisa class

visa_write(cmd: str) → None

Send command to visa device Equivalent to inst.write() in pyvisa class

Supported Devices

Keysight 34411A (Digital Multimeter)

class ebilab.visa.K34411A(*, addr: str | None = None, **kwargs: Any)

ベースクラス: VisaDevice

Keysight 6½ Digit Digital Multimeter 34411A

measure_current(*, nplc: str | None = None, range: str = 'auto') → float

Measure current once

パラメータ:

• nplc (Optional[str]) -- String from

• {"0.001"

• "0.002"

• "0.006"

• "0.02"

• "0.06"

• "0.2"

• "1"

• "2"

• "10"

• "100"}

• range (str) -- String from

• {"auto"

• "1E-6"

• "1E-5"

• "1E-4"

• "1E-3"

• "1E-2"

• "1E-1"

• "1E+0"

• "3E+0"

• "1E+1"}

戻り値:

Measured current value

戻り値の型:

float

measure_resistance(*, nplc: str | None = None, range: str = 'auto') → float

Measure resistance once

パラメータ:

• nplc (Optional[str]) -- String from {"0.001", "0.002", "0.006", "0.02", "0.06", "0.2", "1", "2", "10", "100"}

• range (Optional[str]) -- String from {"auto", "1E+2", "1E+3", "1E+4", "1E+5", "1E+6", "1E+7", "1E+8", "1E+9"}

measure_resistance_4w(*, nplc: str | None = None, range: str = 'auto') → float

Measure resistance once by 4 wire method

パラメータ:

• nplc (Optional[str]) -- String from {"0.001", "0.002", "0.006", "0.02", "0.06", "0.2", "1", "2", "10", "100"}

• range (Optional[str]) -- String from {"auto", "1E+2", "1E+3", "1E+4", "1E+5", "1E+6", "1E+7", "1E+8", "1E+9"}

measure_voltage(*, nplc: str | None = None, range: str = 'auto') → float

Measure resistance once

パラメータ:

• nplc (Optional[str]) -- String from {"0.001", "0.002", "0.006", "0.02", "0.06", "0.2", "1", "2", "10", "100"}

• range (Optional[str]) -- String from {"auto", "1E-1", "1E+0", "1E+1", "1E+2", "1E+3"}

Keysight 34465A (Digital Multimeter)

class ebilab.visa.K34465A(*, addr: str | None = None, **kwargs: Any)

ベースクラス: K34411A

Keysight E4980A/AL (LCR Meter)

class ebilab.visa.E4980(*, addr: str | None = None, **kwargs: Any)

ベースクラス: VisaDevice

Keysight E4980A Precision LCR Meter

meas_open(*, wait: bool = True) → None

meas_short(*, wait: bool = True) → None

trigger(f: float, *, time: str = 'MED', ampl: float = 0.1, format: str = 'ZTD') → tuple[float, float]

trigger(f: float, *, time: str = 'MED', voltage: float | None = None, current: float | None = None, format: str = 'ZTD') → tuple[float, float]

measure impedance

パラメータ:

f (float) -- frequency to measure

キーワード引数:

• voltage (float) -- measurement amplitude [V]. Voltage and current are exclusive.

• current (float) -- measurement amplitude [A]. Voltage and current are exclusive.

• time (str) -- measurement time from {"LONG", "MED", "SHORT"}

• format (str) -- format of return value from {"CPD", "CPQ", "CPG", "CPRP", "CSD", "CSQ", "CSRS", "LPD", "LPQ", "LPG", "LPRP", "LSD", "LSQ", "LSRS", "RX", "ZTD", "ZTR", "GB", "YTD", "YTR"}

戻り値:

Measured impedance value

戻り値の型:

[float, float]

wait_correction() → None

Daiichi Electronics A707 (Power Supply)

class ebilab.visa.A707(*, addr: str | None = None, **kwargs: Any)

ベースクラス: VisaDevice

Keithley 707A Switching Matrix

close_only(contacts: list[str]) → None

Open all switch and close only specified switch

パラメータ:

contacts (list) -- like ["A2", "B4", "C5"]

open_all() → None