SIGLENT TECHNOLOGIES CO.,LTD SDM3045X Manuel utilisateur

Remote Manual

SDM3045X Digital Mulimeter

RC06034-E01A

2017 SIGLENT TECHNOLOGIES CO.,LTD

SIGLENT Remote Manual

1SDM3045X

Catalogue

SCPI Command ................................................................................................................................2

Introduction to the SCPI Language...........................................................................................2

Syntax Conventions ..................................................................................................................2

Command Separators................................................................................................................3

Using the MIN, MAX and DEF Parameters .............................................................................3

Querying Parameter Settings.....................................................................................................3

IEEE-488.2 Common Commands.............................................................................................4

SCPI Parameter Types.......................................................................................................................5

Command in this Manual..................................................................................................................6

1.1 ABORt.................................................................................................................................6

1.2 FETCh?...............................................................................................................................7

1.3 INITiate[:IMMediate] .........................................................................................................8

1.4 OUTPut:TRIGger:SLOPe...................................................................................................9

1.5 R?......................................................................................................................................10

1.6 READ?..............................................................................................................................11

1.7 SAMPle:COUNt ...............................................................................................................12

1.8 UNIT:TEMPerature {C|F|K} UNIT:TEMPerature? .........................................................13

System Command........................................................................................................................14

2.1 CALCulate Subsystem......................................................................................................14

2.2 CALCulate:LIMit Subsystem ...........................................................................................15

2.3 CALCulate:TRANsform:HISTogram Subsystem.............................................................19

2.4 CALCulate:SCALe Subsystem.........................................................................................26

2.5 CALCulate:AVERage Subsystem.....................................................................................31

2.6 CONFigure Subsystem .....................................................................................................35

2.7 DATA Subsystem..............................................................................................................44

2.8 MEASure Subsystem........................................................................................................46

2.9 SENSe Subsystem Introduction........................................................................................54

2.10 SYSTem Subsystem........................................................................................................89

2.11 TRIGger Subsystem........................................................................................................91

Remote Manual SIGLENT

SDM3045X 2

SCPI Command

Introduction to the SCPI Language

SCPI (Standard Commands for Programmable Instruments) is an ASCII-based

programming language for test and measurement instruments. SCPI commands use a

hierarchical structure known as a tree system. Associated commands are grouped under

a common node or root, thus forming subsystems. A portion of the SENSe subsystem

illustrates this, below.

SENSe:

VOLTage:

DC:RANGe {<range>|MIN|MAX|DEF}

DC:RANGe? [MINimum | MAXimum | DEFault]

SENSe is the root keyword of the command, VOLTage is a second-level keyword, and DC

is a third-level keyword.A colon ( : ) separates consecutive keywords.

Syntax Conventions

The command syntax format is illustrated below:

VOLTage:DC:RANGe {<range>|MIN|MAX|DEF}

Most commands (and some parameters) are a mixture of upper- and lower-case letters.

The upper-case letters indicate the command's abbreviated spelling, which yields shorter

program lines. For better program readability, use the long form.

For example, consider the keyword VOLTage, above. You can type VOLT or VOLTage in

any combination of upper- or lower-case letters. Therefore, VolTaGe, volt and Volt are all

acceptable. Other forms, such as VOL and VOLTAG, will generate an error.

Braces ( { } ) enclose the parameter choices. The braces are not sent with the

command string.

A vertical bar ( | ) separates parameter choices. For example,

{<range>|MIN|MAX|DEF} in the above command indicates that you can specify a

numeric range parameter, or "MIN", "MAX" or "DEF". The bar is not sent with the

command string.

Angle brackets ( < > ) indicate that you must specify a value for the enclosed

parameter. For example, the above syntax statement shows the <range> parameter

in angle brackets. Do not send the brackets with the command string. You must

specify a value for the parameter (for example "VOLT:DC:RANG 10") unless you

select one of the other options shown in the syntax (for example "VOLT:DC:RANG

MIN").

Optional parameters are enclosed in square brackets ( [ ] ). The brackets are not sent

with the command string. If you do not specify a value for an optional parameter, the

instrument uses a default value.

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3SDM3045X

Command Separators

A colon ( : ) separates consecutive different levels of keywords.. You must insert a blank

space to separate a parameter from a command keyword. If a command requires more

than one parameter, separate adjacent parameters using a comma:

DATA:REMove?5,1

A semicolon ( ; ) separates commands within the same subsystem and can also

minimize typing. For example, the following string:

TRIG:COUNT 2;SOUR EXT

Equivalent to the following two commands:

TRIG:COUNT 2

TRIG:SOUR EXT

Use a colon and a semicolon to link commands from different subsystems. For example,

in the following example, an error is generated if you do not use both the colon and

semicolon:

TRIG:COUN 2;:SAMP:COUN 2

Using the MIN, MAX and DEF Parameters

For many commands, you can substitute "MIN" or "MAX" in place of a parameter. In some

cases you may also substitute "DEF". For example, consider The following example:

VOLTage:DC:RANGe {<range>|MIN|MAX|DEF}

Instead of selecting a specific value for the <range> parameter, you can substitute MIN to

set the range to its minimum value, MAX to set the range to its maximum value or DEF to

set the range to its default value.

Querying Parameter Settings

You can query the current value of most parameters by adding a question mark ( ? ) to the

command. For example,The following example sets the trigger count to 10

measurements:

TRIG:COUN 10

You can then query the count value by sending:

TRIG:COUN?

You can also query the minimum or maximum count allowed as follows:

TRIG:COUN? MIN

TRIG:COUN? MAX

Remote Manual SIGLENT

SDM3045X 4

IEEE-488.2 Common Commands

The IEEE-488.2 standard defines a set of common commands that perform functions

such as reset, self-test and

status operations. Common commands always begin with an asterisk ( * ), are three

characters in length and may

include one or more parameters. The command keyword is separated from the first

parameter by a blank space. Use a

semicolon ( ; ) to separate multiple commands as shown below:

*RST; *CLS; *ESE 32; *OPC?

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5SDM3045X

SCPI Parameter Types

The SCPI language defines several data formats to be used in program messages and

response messages.

Numeric Parameters

Commands that require numeric parameters will accept all commonly used decimal

representations of numbers including optional signs, decimal points, and scientific

notation. Special values for numeric parameters such as MIN,MAX and DEF are also

accepted. You can also send engineering unit suffixes with numeric parameters (e.g., M, k,

m or u). If a command accepts only certain specific values, the instrument will

automatically round the input numeric parameters to the accepted values. The following

command requires a numeric parameter for the range value:

VOLTage:DC:RANGe {<range>|MIN|MAX|DEF}

Because the SCPI parser is case-insensitive, there is some confusion over the letter "M"

(or "m"). For your convenience, the instrument interprets "mV" (or "MV") as millivolts,

but "MHZ" (or "mhz") as megahertz. Likewise "MΩ" (or "mΩ") is interpreted as megΩ.

You can use the prefix "MA" for mega. For example, "MAV" is interpreted as megavolts.

Discrete Parameters

Discrete parameters are used to program settings that have a limited number of values

(like IMMediate, EXTernal or BUS). They have a short form and a long form just like

command keywords. You can mix upper- and lower-case letters. Query responses will

always return the short form in all upper-case letters. The following example requires

discrete parameters for the temperature units:

UNIT:TEMPerature{C|F|K}

Boolean Parameters

Boolean parameters represent a single binary condition that is either true or false. For a

false condition, the instrument will accept "OFF" or "0". For a true condition, the instrument

will accept "ON" or "1". When you query a Boolean setting, the instrument will always

return "0" or "1". The following example requires a Boolean parameter:

DISPlay:STATe {ON|1|OFF|0}

Remote Manual SIGLENT

SDM3045X 6

Command in this Manual

1.1 ABORt

Aborts a measurement in progress, returning the instrument to the trigger idle state.

Pameter

Typical Return

(none)

Abort a measurement in progress:

TRIG:SOUR IMM //Set the trigger source for immediate trigger

TRIG:COUN 10 //Set the trigger source for 10 times

INIT //Set the trigger state for “wait for trigger”

ABOR //Interrupt the measurement

This command may be used to abort a measurement when the instrument is waiting for a

trigger, or for aborting a long measurement or series of measurements.

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7SDM3045X

1.2 FETCh?

Waits for measurements to complete and copies all available measurements to the

instrument's output buffer. The readings remain in reading memory.

Parameter

Typical Return

(none)

-5.75122019E-04, -5.77518360E-04,

-5.73923848E-04, -5.76020647E-04

Set the trigger source for immediate trigger,the INIT command will instrument in

"waiting for trigger" state, in the immediate trigger condition, measurements will

immediately be triggered and the measurement results are sent to the

measurement of memory. The FETCh? query transfers the measurement from

reading memory to the instrument's output buffer.

TRIG:SOUR IMM //Set the trigger source for immediate trigger

TRIG:COUN 10 //Set the trigger source for 10 times

INIT //Set the trigger state for “wait for trigger”

FETC? //Read the resulting measurement value

The FETch? query does not erase measurements from the reading memory. You can

send the query multiple times to retrieve the same data.

You can store up to 1,000 measurements in the reading memory of theSDM3045x . If

reading memory overflows, new measurements will overwrite the oldest

measurements stored; the most recent measurements are always preserved. No

error is generated, but the Reading Mem Ovfl bit (bit 14) is set in the Questionable

Data Register's condition register (see Status System Introduction).

The instrument clears all measurements from reading memory when the

measurement configuration changes, or when any of these commands is executed:

INITiate

MEASure:<function>?

READ?

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SDM3045X 8

1.3 INITiate[:IMMediate]

Set the trigger state for “wait for trigger”.Measurements will begin when the specified

trigger conditions are satisfied following the receipt of the INITiate command. This

command also clears the previous set of measurements from reading memory.

Parameter

Typical Return

(none)

Set the trigger source for “wait for trigger”, it can effectively receives the

trigger signal:

TRIG:SOUR BUS //Set the trigger source to trigger bus

TRIG:COUN 10 //Set the trigger source for 10 times

INIT //Set the trigger state for “wait for trigger”

*TRG //Send a trigger signal

FETCh? //After measuring can read the measured memory

Storing measurements in reading memory with INITiate is faster than sending

measurements to the instrument's output buffer using READ? (provided you do not

send FETCh? until done). The INITiate command is also an "overlapped" command.

This means that after executing INITiate, you can send other commands that do not

affect the measurements.

You can store up to 1,000 measurements in the reading memory of the SDM3055x. If

reading memory overflows, new measurements will overwrite the oldest

measurements stored; the most recent measurements are always preserved. No

error is generated, but the Reading Mem Ovfl bit (bit 14) is set in the Questionable

Data Register's condition register (see Status System Introduction).

To retrieve the measurements from the reading memory, use FETCh?. Use

DATA:REMove? or R? to read and erase all or part of the available measurements.

The ABORt command may be used to return to idle.

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