Listening Formats

<NRf>

Extended format that includes <NR1>, <NR2> and <NR3>. Examples: 273 273.

 

2.73E2

<NRf+>

Expanded decimal format that includes <NRf>, MIN and MAX. Examples: 273

 

273. 2.73E2 MAX. MIN and MAX are the minimum and maximum limit values

 

that are implicit in the range specification for the parameter.

 

 

Table 2-2. Suffixes and Multipliers

Class

Suffix

Unit

Unit with Multiplier

Current

A

Ampere

MA (milliampere)

Amplitude

V

Volt

MV (millivolt)

Time

S

second

MS (millisecond)

 

 

Common Multipliers

 

lE3

K

kilo

 

1E-3

M

milli

 

1E-6

U

micro

Boolean Data

Either form {10} or {ONOFF} may be sent with commands. Queries always return 1 or 0.

OUTPut OFF

CURRent:PROTection 1

Character Data

For query statements, character strings may be returned in either of the forms shown in Table 2-3, depending on the length of the returned string.

 

Table 2-3. Character Data Formats

<CRD>

Character Response Data. Permits the return of character strings.

<AARD>

Arbitrary ASCII Response Data. Permits the return of undelimited 7-bit ASCII. This data type has

 

an implied message terminator.

Note:

The IEEE 488.2 format for a string parameter requires that the string be enclosed within either single

 

(' ') or double (" ") quotes. Be certain that your program statements comply with this requirement.

 

 

Examples

The examples given here are generic, without regard to the programming language or type of GPIB interface. Because SCPI commands are sent as ASCII output strings within the programming language statements, the SCPI syntax is independent of both programming language and interface.

Note

The examples are followed by sample program code written for three popular types of BASIC-

 

controlled GPIB interfaces.

 

 

Remote Programming 15

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Agilent Technologies 665xA, 664xA, 667xA, 669xA, 668xA manual Examples
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668xA, 669xA, 667xA, 664xA, 665xA specifications

Agilent Technologies has long been a pioneer in the production of high-performance electronic test and measurement instruments, particularly in the field of power sources. Among its notable offerings are the Agilent 667xA, 669xA, 665xA, 664xA, and 668xA series of power supplies. These instruments are designed to provide stable, reliable power for a variety of applications, including electronic testing, industrial processes, and research laboratories.

The Agilent 667xA series is characterized by its programmability and advanced measurement functions. These power supplies support a wide range of output voltages and currents, allowing for flexible configurations that cater to different testing needs. The built-in measurement capabilities enable users to monitor the voltage, current, and power with high precision, which is essential for ensuring optimal performance in electronic applications.

The Agilent 669xA series stands out with its high-power outputs, making it suitable for demanding applications. These power supplies deliver high voltage and current levels, making them ideal for testing high-performance devices, such as power amplifiers and motor drives. Additionally, the 669xA series includes features such as overvoltage protection and complex output sequencing to enhance the safety and reliability of the testing process.

The Agilent 665xA and 664xA series focus on delivering high accuracy and excellent regulation. These models are particularly known for their low noise operation, which is critical for sensitive applications where precision is paramount. The integrated programming capabilities allow users to automate testing sequences, thus improving efficiency in research and development settings.

The 668xA series features advanced digital signal processing that enhances the precision and stability of the output. Users benefit from features like remote sensing and monitoring, allowing feedback adjustments that maintain output accuracy despite cable losses. Furthermore, the 668xA models can integrate seamlessly with various test environments thanks to their LAN, GPIB, and USB connectivity options.

Overall, the Agilent 667xA, 669xA, 665xA, 664xA, and 668xA power supplies provide a comprehensive range of solutions for diverse electronic testing needs. With their advanced features, superb measurement capabilities, and robust performance, these instruments empower engineers and researchers to conduct their work with confidence, precision, and efficiency.
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