[python source code]

trigger

The trigger commands module.

These commands are used in the following models: TekScopePC

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Commands and Queries 
- TRIGger:A:EDGE:COUPling {DC|HFRej|LFRej|NOISErej}
- TRIGger:A:EDGE:COUPling?
- TRIGger:A:EDGE:SLOpe {RISe|FALL|EITher}
- TRIGger:A:EDGE:SLOpe?
- TRIGger:A:EDGE:SOUrce {CH<x>|CH<x>_D<y>|LINE|AUXiliary}
- TRIGger:A:EDGE:SOUrce?
- TRIGger:A:LEVel:CH<x> <NR3>
- TRIGger:A:LEVel:CH<x>?
- TRIGger:A:TYPe {EDGE|WIDth|TIMEOut|RUNt|WINdow|LOGIc|SETHold|TRANsition|BUS}
- TRIGger:A:TYPe?
- TRIGger:B:EDGE:COUPling {DC|HFRej|LFRej|NOISErej}
- TRIGger:B:EDGE:COUPling?
- TRIGger:B:EDGE:SLOpe {RISe|FALL|EITher}
- TRIGger:B:EDGE:SLOpe?
- TRIGger:B:EDGE:SOUrce {CH<x>|CH<x>_D<y>|LINE|AUXiliary}
- TRIGger:B:EDGE:SOUrce?
- TRIGger:B:LEVel:CH<x> <NR3>
- TRIGger:B:LEVel:CH<x>?
- TRIGger:B:TYPe {EDGE|WIDth|TIMEOut|RUNt|WINdow|LOGIc|SETHold|TRANsition|BUS}
- TRIGger:B:TYPe?

Trigger

Bases: SCPICmdRead

The TRIGger command tree.

Usage
  • Using the .query() method will send the TRIGger? query.
  • Using the .verify(value) method will send the TRIGger? query and raise an AssertionError if the returned value does not match value.
Properties
  • .a: The TRIGger:A command tree.
  • .b: The TRIGger:B command tree.

a property 

a: TriggerA

Return the TRIGger:A command tree.

Usage
  • Using the .query() method will send the TRIGger:A? query.
  • Using the .verify(value) method will send the TRIGger:A? query and raise an AssertionError if the returned value does not match value.
Sub-properties
  • .edge: The TRIGger:A:EDGE command tree.
  • .level: The TRIGger:A:LEVel command tree.
  • .type: The TRIGger:A:TYPe command.

b property 

b: TriggerB

Return the TRIGger:B command tree.

Usage
  • Using the .query() method will send the TRIGger:B? query.
  • Using the .verify(value) method will send the TRIGger:B? query and raise an AssertionError if the returned value does not match value.
Sub-properties
  • .edge: The TRIGger:B:EDGE command tree.
  • .level: The TRIGger:B:LEVel command tree.
  • .type: The TRIGger:B:TYPe command.

TriggerA

Bases: SCPICmdRead

The TRIGger:A command tree.

Usage
  • Using the .query() method will send the TRIGger:A? query.
  • Using the .verify(value) method will send the TRIGger:A? query and raise an AssertionError if the returned value does not match value.
Properties
  • .edge: The TRIGger:A:EDGE command tree.
  • .level: The TRIGger:A:LEVel command tree.
  • .type: The TRIGger:A:TYPe command.

edge property 

edge: TriggerAEdge

Return the TRIGger:A:EDGE command tree.

Usage
  • Using the .query() method will send the TRIGger:A:EDGE? query.
  • Using the .verify(value) method will send the TRIGger:A:EDGE? query and raise an AssertionError if the returned value does not match value.
Sub-properties
  • .coupling: The TRIGger:A:EDGE:COUPling command.
  • .slope: The TRIGger:A:EDGE:SLOpe command.
  • .source: The TRIGger:A:EDGE:SOUrce command.

level property 

level: TriggerALevel

Return the TRIGger:A:LEVel command tree.

Usage
  • Using the .query() method will send the TRIGger:A:LEVel? query.
  • Using the .verify(value) method will send the TRIGger:A:LEVel? query and raise an AssertionError if the returned value does not match value.
Sub-properties
  • .ch: The TRIGger:A:LEVel:CH<x> command.

type property 

type: TriggerAType

Return the TRIGger:A:TYPe command.

Description
  • This command sets or queries the type of A or B trigger.
Usage
  • Using the .query() method will send the TRIGger:A:TYPe? query.
  • Using the .verify(value) method will send the TRIGger:A:TYPe? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:A:TYPe value command.
SCPI Syntax 
- TRIGger:A:TYPe {EDGE|WIDth|TIMEOut|RUNt|WINdow|LOGIc|SETHold|TRANsition|BUS}
- TRIGger:A:TYPe?
Info
  • EDGE is a normal trigger. A trigger event occurs when a signal passes through a specified voltage level in a specified direction and is controlled by the TRIGger:A:EDGE commands.
  • WIDth specifies that the trigger occurs when a pulse with a specified with is found.
  • TIMEOut specifies that a trigger occurs when a pulse with the specified timeout is found.
  • RUNt specifies that a trigger occurs when a pulse with the specified parameters is found.
  • WINdow specifies that a trigger occurs when a signal with the specified window parameters is found.
  • LOGIc specifies that a trigger occurs when specified conditions are met and is controlled by the TRIGger:{A|B}:LOGIc commands.
  • SETHold specifies that a trigger occurs when a signal is found that meets the setup and hold parameters.
  • BUS specifies that a trigger occurs when a signal is found that meets the specified bus setup parameters.

TriggerAEdge

Bases: SCPICmdRead

The TRIGger:A:EDGE command tree.

Usage
  • Using the .query() method will send the TRIGger:A:EDGE? query.
  • Using the .verify(value) method will send the TRIGger:A:EDGE? query and raise an AssertionError if the returned value does not match value.
Properties
  • .coupling: The TRIGger:A:EDGE:COUPling command.
  • .slope: The TRIGger:A:EDGE:SLOpe command.
  • .source: The TRIGger:A:EDGE:SOUrce command.

coupling property 

coupling: TriggerAEdgeCoupling

Return the TRIGger:A:EDGE:COUPling command.

Description
  • This command sets or queries the type of coupling for the edge trigger. This command is equivalent to selecting Edge from the Trigger Type drop-down in the Trigger setup context menu, and choosing from the Coupling drop-down list.
Usage
  • Using the .query() method will send the TRIGger:A:EDGE:COUPling? query.
  • Using the .verify(value) method will send the TRIGger:A:EDGE:COUPling? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:A:EDGE:COUPling value command.
SCPI Syntax 
- TRIGger:A:EDGE:COUPling {DC|HFRej|LFRej|NOISErej}
- TRIGger:A:EDGE:COUPling?
Info
  • DC selects DC trigger coupling, which passes all input signals to the trigger circuitry.
  • HFRej coupling attenuates signals above 50 kHz before passing the signals to the trigger circuitry.
  • LFRej coupling attenuates signals below 80 kHz before passing the signals to the trigger circuitry.
  • NOISErej coupling provides stable triggering by increasing the trigger hysteresis. Increased hysteresis reduces the trigger sensitivity to noise but can require greater trigger signal amplitude.

slope property 

slope: TriggerAEdgeSlope

Return the TRIGger:A:EDGE:SLOpe command.

Description
  • This command sets or queries the slope for the edge trigger. This command is equivalent to selecting Event Trigger Setup from the Trig menu and then choosing the desired Slope.
Usage
  • Using the .query() method will send the TRIGger:A:EDGE:SLOpe? query.
  • Using the .verify(value) method will send the TRIGger:A:EDGE:SLOpe? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:A:EDGE:SLOpe value command.
SCPI Syntax 
- TRIGger:A:EDGE:SLOpe {RISe|FALL|EITher}
- TRIGger:A:EDGE:SLOpe?
Info
  • RISe specifies to trigger on the rising or positive edge of a signal.
  • FALL specifies to trigger on the falling or negative edge of a signal.

source property 

source: TriggerAEdgeSource

Return the TRIGger:A:EDGE:SOUrce command.

Description
  • This command sets or queries the source for the edge trigger. For instruments that have an Auxiliary Input (such as the MSO58LP), AUXiliary can be selected as trigger source.
Usage
  • Using the .query() method will send the TRIGger:A:EDGE:SOUrce? query.
  • Using the .verify(value) method will send the TRIGger:A:EDGE:SOUrce? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:A:EDGE:SOUrce value command.
SCPI Syntax 
- TRIGger:A:EDGE:SOUrce {CH<x>|CH<x>_D<y>|LINE|AUXiliary}
- TRIGger:A:EDGE:SOUrce?
Info
  • CH<x> specifies an analog channel as the edge trigger source.
  • CH<x>_D<y> specifies a digital channel as the edge trigger source.
  • LINE specifies AC line voltage, and is a valid source when B trigger is inactive.
  • AUXiliary specifies the Auxiliary Input.

TriggerAEdgeCoupling

Bases: SCPICmdWrite, SCPICmdRead

The TRIGger:A:EDGE:COUPling command.

Description
  • This command sets or queries the type of coupling for the edge trigger. This command is equivalent to selecting Edge from the Trigger Type drop-down in the Trigger setup context menu, and choosing from the Coupling drop-down list.
Usage
  • Using the .query() method will send the TRIGger:A:EDGE:COUPling? query.
  • Using the .verify(value) method will send the TRIGger:A:EDGE:COUPling? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:A:EDGE:COUPling value command.
SCPI Syntax 
- TRIGger:A:EDGE:COUPling {DC|HFRej|LFRej|NOISErej}
- TRIGger:A:EDGE:COUPling?
Info
  • DC selects DC trigger coupling, which passes all input signals to the trigger circuitry.
  • HFRej coupling attenuates signals above 50 kHz before passing the signals to the trigger circuitry.
  • LFRej coupling attenuates signals below 80 kHz before passing the signals to the trigger circuitry.
  • NOISErej coupling provides stable triggering by increasing the trigger hysteresis. Increased hysteresis reduces the trigger sensitivity to noise but can require greater trigger signal amplitude.

TriggerAEdgeSlope

Bases: SCPICmdWrite, SCPICmdRead

The TRIGger:A:EDGE:SLOpe command.

Description
  • This command sets or queries the slope for the edge trigger. This command is equivalent to selecting Event Trigger Setup from the Trig menu and then choosing the desired Slope.
Usage
  • Using the .query() method will send the TRIGger:A:EDGE:SLOpe? query.
  • Using the .verify(value) method will send the TRIGger:A:EDGE:SLOpe? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:A:EDGE:SLOpe value command.
SCPI Syntax 
- TRIGger:A:EDGE:SLOpe {RISe|FALL|EITher}
- TRIGger:A:EDGE:SLOpe?
Info
  • RISe specifies to trigger on the rising or positive edge of a signal.
  • FALL specifies to trigger on the falling or negative edge of a signal.

TriggerAEdgeSource

Bases: SCPICmdWrite, SCPICmdRead

The TRIGger:A:EDGE:SOUrce command.

Description
  • This command sets or queries the source for the edge trigger. For instruments that have an Auxiliary Input (such as the MSO58LP), AUXiliary can be selected as trigger source.
Usage
  • Using the .query() method will send the TRIGger:A:EDGE:SOUrce? query.
  • Using the .verify(value) method will send the TRIGger:A:EDGE:SOUrce? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:A:EDGE:SOUrce value command.
SCPI Syntax 
- TRIGger:A:EDGE:SOUrce {CH<x>|CH<x>_D<y>|LINE|AUXiliary}
- TRIGger:A:EDGE:SOUrce?
Info
  • CH<x> specifies an analog channel as the edge trigger source.
  • CH<x>_D<y> specifies a digital channel as the edge trigger source.
  • LINE specifies AC line voltage, and is a valid source when B trigger is inactive.
  • AUXiliary specifies the Auxiliary Input.

TriggerALevel

Bases: SCPICmdRead

The TRIGger:A:LEVel command tree.

Usage
  • Using the .query() method will send the TRIGger:A:LEVel? query.
  • Using the .verify(value) method will send the TRIGger:A:LEVel? query and raise an AssertionError if the returned value does not match value.
Properties
  • .ch: The TRIGger:A:LEVel:CH<x> command.

ch property 

ch: dict[int, TriggerALevelChannel]

Return the TRIGger:A:LEVel:CH<x> command.

Description
  • This command sets or queries the CH trigger level for an Edge, Pulse Width, Runt or Rise/Fall (Transition and Slew Rate) trigger when triggering on an analog channel waveform. Each channel can have an independent trigger level. The is the channel number.
Usage
  • Using the .query() method will send the TRIGger:A:LEVel:CH<x>? query.
  • Using the .verify(value) method will send the TRIGger:A:LEVel:CH<x>? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:A:LEVel:CH<x> value command.
SCPI Syntax 
- TRIGger:A:LEVel:CH<x> <NR3>
- TRIGger:A:LEVel:CH<x>?
Info
  • <NR3> specifies the trigger level in user units (usually volts).

TriggerALevelChannel

Bases: ValidatedChannel, SCPICmdWrite, SCPICmdRead

The TRIGger:A:LEVel:CH<x> command.

Description
  • This command sets or queries the CH trigger level for an Edge, Pulse Width, Runt or Rise/Fall (Transition and Slew Rate) trigger when triggering on an analog channel waveform. Each channel can have an independent trigger level. The is the channel number.
Usage
  • Using the .query() method will send the TRIGger:A:LEVel:CH<x>? query.
  • Using the .verify(value) method will send the TRIGger:A:LEVel:CH<x>? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:A:LEVel:CH<x> value command.
SCPI Syntax 
- TRIGger:A:LEVel:CH<x> <NR3>
- TRIGger:A:LEVel:CH<x>?
Info
  • <NR3> specifies the trigger level in user units (usually volts).

TriggerAType

Bases: SCPICmdWrite, SCPICmdRead

The TRIGger:A:TYPe command.

Description
  • This command sets or queries the type of A or B trigger.
Usage
  • Using the .query() method will send the TRIGger:A:TYPe? query.
  • Using the .verify(value) method will send the TRIGger:A:TYPe? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:A:TYPe value command.
SCPI Syntax 
- TRIGger:A:TYPe {EDGE|WIDth|TIMEOut|RUNt|WINdow|LOGIc|SETHold|TRANsition|BUS}
- TRIGger:A:TYPe?
Info
  • EDGE is a normal trigger. A trigger event occurs when a signal passes through a specified voltage level in a specified direction and is controlled by the TRIGger:A:EDGE commands.
  • WIDth specifies that the trigger occurs when a pulse with a specified with is found.
  • TIMEOut specifies that a trigger occurs when a pulse with the specified timeout is found.
  • RUNt specifies that a trigger occurs when a pulse with the specified parameters is found.
  • WINdow specifies that a trigger occurs when a signal with the specified window parameters is found.
  • LOGIc specifies that a trigger occurs when specified conditions are met and is controlled by the TRIGger:{A|B}:LOGIc commands.
  • SETHold specifies that a trigger occurs when a signal is found that meets the setup and hold parameters.
  • BUS specifies that a trigger occurs when a signal is found that meets the specified bus setup parameters.

TriggerB

Bases: SCPICmdRead

The TRIGger:B command tree.

Usage
  • Using the .query() method will send the TRIGger:B? query.
  • Using the .verify(value) method will send the TRIGger:B? query and raise an AssertionError if the returned value does not match value.
Properties
  • .edge: The TRIGger:B:EDGE command tree.
  • .level: The TRIGger:B:LEVel command tree.
  • .type: The TRIGger:B:TYPe command.

edge property 

edge: TriggerBEdge

Return the TRIGger:B:EDGE command tree.

Usage
  • Using the .query() method will send the TRIGger:B:EDGE? query.
  • Using the .verify(value) method will send the TRIGger:B:EDGE? query and raise an AssertionError if the returned value does not match value.
Sub-properties
  • .coupling: The TRIGger:B:EDGE:COUPling command.
  • .slope: The TRIGger:B:EDGE:SLOpe command.
  • .source: The TRIGger:B:EDGE:SOUrce command.

level property 

level: TriggerBLevel

Return the TRIGger:B:LEVel command tree.

Usage
  • Using the .query() method will send the TRIGger:B:LEVel? query.
  • Using the .verify(value) method will send the TRIGger:B:LEVel? query and raise an AssertionError if the returned value does not match value.
Sub-properties
  • .ch: The TRIGger:B:LEVel:CH<x> command.

type property 

type: TriggerBType

Return the TRIGger:B:TYPe command.

Description
  • This command sets or queries the type of A or B trigger.
Usage
  • Using the .query() method will send the TRIGger:B:TYPe? query.
  • Using the .verify(value) method will send the TRIGger:B:TYPe? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:B:TYPe value command.
SCPI Syntax 
- TRIGger:B:TYPe {EDGE|WIDth|TIMEOut|RUNt|WINdow|LOGIc|SETHold|TRANsition|BUS}
- TRIGger:B:TYPe?
Info
  • EDGE is a normal trigger. A trigger event occurs when a signal passes through a specified voltage level in a specified direction and is controlled by the TRIGger:A:EDGE commands.
  • WIDth specifies that the trigger occurs when a pulse with a specified with is found.
  • TIMEOut specifies that a trigger occurs when a pulse with the specified timeout is found.
  • RUNt specifies that a trigger occurs when a pulse with the specified parameters is found.
  • WINdow specifies that a trigger occurs when a signal with the specified window parameters is found.
  • LOGIc specifies that a trigger occurs when specified conditions are met and is controlled by the TRIGger:{A|B}:LOGIc commands.
  • SETHold specifies that a trigger occurs when a signal is found that meets the setup and hold parameters.
  • BUS specifies that a trigger occurs when a signal is found that meets the specified bus setup parameters.

TriggerBEdge

Bases: SCPICmdRead

The TRIGger:B:EDGE command tree.

Usage
  • Using the .query() method will send the TRIGger:B:EDGE? query.
  • Using the .verify(value) method will send the TRIGger:B:EDGE? query and raise an AssertionError if the returned value does not match value.
Properties
  • .coupling: The TRIGger:B:EDGE:COUPling command.
  • .slope: The TRIGger:B:EDGE:SLOpe command.
  • .source: The TRIGger:B:EDGE:SOUrce command.

coupling property 

coupling: TriggerBEdgeCoupling

Return the TRIGger:B:EDGE:COUPling command.

Description
  • This command sets or queries the type of coupling for the edge trigger. This command is equivalent to selecting Edge from the Trigger Type drop-down in the Trigger setup context menu, and choosing from the Coupling drop-down list.
Usage
  • Using the .query() method will send the TRIGger:B:EDGE:COUPling? query.
  • Using the .verify(value) method will send the TRIGger:B:EDGE:COUPling? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:B:EDGE:COUPling value command.
SCPI Syntax 
- TRIGger:B:EDGE:COUPling {DC|HFRej|LFRej|NOISErej}
- TRIGger:B:EDGE:COUPling?
Info
  • DC selects DC trigger coupling, which passes all input signals to the trigger circuitry.
  • HFRej coupling attenuates signals above 50 kHz before passing the signals to the trigger circuitry.
  • LFRej coupling attenuates signals below 80 kHz before passing the signals to the trigger circuitry.
  • NOISErej coupling provides stable triggering by increasing the trigger hysteresis. Increased hysteresis reduces the trigger sensitivity to noise but can require greater trigger signal amplitude.

slope property 

slope: TriggerBEdgeSlope

Return the TRIGger:B:EDGE:SLOpe command.

Description
  • This command sets or queries the slope for the edge trigger. This command is equivalent to selecting Event Trigger Setup from the Trig menu and then choosing the desired Slope.
Usage
  • Using the .query() method will send the TRIGger:B:EDGE:SLOpe? query.
  • Using the .verify(value) method will send the TRIGger:B:EDGE:SLOpe? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:B:EDGE:SLOpe value command.
SCPI Syntax 
- TRIGger:B:EDGE:SLOpe {RISe|FALL|EITher}
- TRIGger:B:EDGE:SLOpe?
Info
  • RISe specifies to trigger on the rising or positive edge of a signal.
  • FALL specifies to trigger on the falling or negative edge of a signal.

source property 

source: TriggerBEdgeSource

Return the TRIGger:B:EDGE:SOUrce command.

Description
  • This command sets or queries the source for the edge trigger. For instruments that have an Auxiliary Input (such as the MSO58LP), AUXiliary can be selected as trigger source.
Usage
  • Using the .query() method will send the TRIGger:B:EDGE:SOUrce? query.
  • Using the .verify(value) method will send the TRIGger:B:EDGE:SOUrce? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:B:EDGE:SOUrce value command.
SCPI Syntax 
- TRIGger:B:EDGE:SOUrce {CH<x>|CH<x>_D<y>|LINE|AUXiliary}
- TRIGger:B:EDGE:SOUrce?
Info
  • CH<x> specifies an analog channel as the edge trigger source.
  • CH<x>_D<y> specifies a digital channel as the edge trigger source.
  • LINE specifies AC line voltage, and is a valid source when B trigger is inactive.
  • AUXiliary specifies the Auxiliary Input.

TriggerBEdgeCoupling

Bases: SCPICmdWrite, SCPICmdRead

The TRIGger:B:EDGE:COUPling command.

Description
  • This command sets or queries the type of coupling for the edge trigger. This command is equivalent to selecting Edge from the Trigger Type drop-down in the Trigger setup context menu, and choosing from the Coupling drop-down list.
Usage
  • Using the .query() method will send the TRIGger:B:EDGE:COUPling? query.
  • Using the .verify(value) method will send the TRIGger:B:EDGE:COUPling? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:B:EDGE:COUPling value command.
SCPI Syntax 
- TRIGger:B:EDGE:COUPling {DC|HFRej|LFRej|NOISErej}
- TRIGger:B:EDGE:COUPling?
Info
  • DC selects DC trigger coupling, which passes all input signals to the trigger circuitry.
  • HFRej coupling attenuates signals above 50 kHz before passing the signals to the trigger circuitry.
  • LFRej coupling attenuates signals below 80 kHz before passing the signals to the trigger circuitry.
  • NOISErej coupling provides stable triggering by increasing the trigger hysteresis. Increased hysteresis reduces the trigger sensitivity to noise but can require greater trigger signal amplitude.

TriggerBEdgeSlope

Bases: SCPICmdWrite, SCPICmdRead

The TRIGger:B:EDGE:SLOpe command.

Description
  • This command sets or queries the slope for the edge trigger. This command is equivalent to selecting Event Trigger Setup from the Trig menu and then choosing the desired Slope.
Usage
  • Using the .query() method will send the TRIGger:B:EDGE:SLOpe? query.
  • Using the .verify(value) method will send the TRIGger:B:EDGE:SLOpe? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:B:EDGE:SLOpe value command.
SCPI Syntax 
- TRIGger:B:EDGE:SLOpe {RISe|FALL|EITher}
- TRIGger:B:EDGE:SLOpe?
Info
  • RISe specifies to trigger on the rising or positive edge of a signal.
  • FALL specifies to trigger on the falling or negative edge of a signal.

TriggerBEdgeSource

Bases: SCPICmdWrite, SCPICmdRead

The TRIGger:B:EDGE:SOUrce command.

Description
  • This command sets or queries the source for the edge trigger. For instruments that have an Auxiliary Input (such as the MSO58LP), AUXiliary can be selected as trigger source.
Usage
  • Using the .query() method will send the TRIGger:B:EDGE:SOUrce? query.
  • Using the .verify(value) method will send the TRIGger:B:EDGE:SOUrce? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:B:EDGE:SOUrce value command.
SCPI Syntax 
- TRIGger:B:EDGE:SOUrce {CH<x>|CH<x>_D<y>|LINE|AUXiliary}
- TRIGger:B:EDGE:SOUrce?
Info
  • CH<x> specifies an analog channel as the edge trigger source.
  • CH<x>_D<y> specifies a digital channel as the edge trigger source.
  • LINE specifies AC line voltage, and is a valid source when B trigger is inactive.
  • AUXiliary specifies the Auxiliary Input.

TriggerBLevel

Bases: SCPICmdRead

The TRIGger:B:LEVel command tree.

Usage
  • Using the .query() method will send the TRIGger:B:LEVel? query.
  • Using the .verify(value) method will send the TRIGger:B:LEVel? query and raise an AssertionError if the returned value does not match value.
Properties
  • .ch: The TRIGger:B:LEVel:CH<x> command.

ch property 

ch: dict[int, TriggerBLevelChannel]

Return the TRIGger:B:LEVel:CH<x> command.

Description
  • This command sets or queries the CH trigger level for an Edge, Pulse Width, Runt or Rise/Fall (Transition and Slew Rate) trigger when triggering on an analog channel waveform. Each channel can have an independent trigger level. The is the channel number.
Usage
  • Using the .query() method will send the TRIGger:B:LEVel:CH<x>? query.
  • Using the .verify(value) method will send the TRIGger:B:LEVel:CH<x>? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:B:LEVel:CH<x> value command.
SCPI Syntax 
- TRIGger:B:LEVel:CH<x> <NR3>
- TRIGger:B:LEVel:CH<x>?
Info
  • <NR3> specifies the trigger level in user units (usually volts).

TriggerBLevelChannel

Bases: ValidatedChannel, SCPICmdWrite, SCPICmdRead

The TRIGger:B:LEVel:CH<x> command.

Description
  • This command sets or queries the CH trigger level for an Edge, Pulse Width, Runt or Rise/Fall (Transition and Slew Rate) trigger when triggering on an analog channel waveform. Each channel can have an independent trigger level. The is the channel number.
Usage
  • Using the .query() method will send the TRIGger:B:LEVel:CH<x>? query.
  • Using the .verify(value) method will send the TRIGger:B:LEVel:CH<x>? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:B:LEVel:CH<x> value command.
SCPI Syntax 
- TRIGger:B:LEVel:CH<x> <NR3>
- TRIGger:B:LEVel:CH<x>?
Info
  • <NR3> specifies the trigger level in user units (usually volts).

TriggerBType

Bases: SCPICmdWrite, SCPICmdRead

The TRIGger:B:TYPe command.

Description
  • This command sets or queries the type of A or B trigger.
Usage
  • Using the .query() method will send the TRIGger:B:TYPe? query.
  • Using the .verify(value) method will send the TRIGger:B:TYPe? query and raise an AssertionError if the returned value does not match value.
  • Using the .write(value) method will send the TRIGger:B:TYPe value command.
SCPI Syntax 
- TRIGger:B:TYPe {EDGE|WIDth|TIMEOut|RUNt|WINdow|LOGIc|SETHold|TRANsition|BUS}
- TRIGger:B:TYPe?
Info
  • EDGE is a normal trigger. A trigger event occurs when a signal passes through a specified voltage level in a specified direction and is controlled by the TRIGger:A:EDGE commands.
  • WIDth specifies that the trigger occurs when a pulse with a specified with is found.
  • TIMEOut specifies that a trigger occurs when a pulse with the specified timeout is found.
  • RUNt specifies that a trigger occurs when a pulse with the specified parameters is found.
  • WINdow specifies that a trigger occurs when a signal with the specified window parameters is found.
  • LOGIc specifies that a trigger occurs when specified conditions are met and is controlled by the TRIGger:{A|B}:LOGIc commands.
  • SETHold specifies that a trigger occurs when a signal is found that meets the setup and hold parameters.
  • BUS specifies that a trigger occurs when a signal is found that meets the specified bus setup parameters.