Getting Data From The Supply

The supply is capable of measuring the values of its output parameters in response to queries. In this example, the query asks the supply to measure the output voltage at output 1.

When you send a query from remote, the supply does not display the response as it did when you executed the command from the front panel. Instead, it holds the response in an output buffer. The output buffer is a register that holds information until it is read by the computer or is replaced with new information.

NOTE

On an Agilent Series 200 Computer, the A variable must be declared before you do the following steps.

 

Refer to your computer’s operating manual for more information.

Use your computer’s enter statement to get the response from the output buffer. For example, execute:

ENTER 705; A

Followed by:

DISP A

The ENTER statement enters whatever is in the supply’s output buffer into the computer’s A variable. The DISP statement displays the A variable ’ s contents on the computer’s display.

Often Used Commands

The command set contains over forty commands that allow you to program the power supply in a variety of applications. Within this command set, however, is a small subset of commands that are all you need for most applications. These commands are: VSET, ISET, VOUT?, IOUT?, OUT, OVSET, and OCP.

Each of these commands is briefly discussed in the following paragraphs to help you get started in programming your supply. To know more about these commands, refer to Chapter 5.

Voltage and Current Programming. You can send voltage and current values to the power supply directly in volts or amps The following examples use voltage and current values that are within the range of any output that the power supply provides.

40 Getting Started

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Agilent Technologies 6623A, 6621A, 6627A, 6622A, 6624A manual Getting Data From The Supply, Disp a, Often Used Commands
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6627A, 6621A, 6624A, 6623A, 6622A specifications

Agilent Technologies is renowned for its high-quality electronic test and measurement equipment, and the Agilent 6600 series is no exception. This series includes models like the Agilent 6621A, 6622A, 6623A, 6624A, and 6627A, each designed to meet the needs of various application requirements, making them an essential part of modern laboratories.

The Agilent 6621A is a single-output DC power supply that provides a stable output voltage and current, making it ideal for testing and powering electronic devices. It features a low noise specification, which is crucial for sensitive applications. With a maximum output voltage of 30V and a current of 3A, it offers flexibility for a range of projects, from powering prototypes to performing benchmark tests.

The Agilent 6622A, a dual-output model, enhances versatility by allowing users to power two devices concurrently. It delivers output voltages of up to 20V and a total output current of 5A, which is perfect for powering circuit boards with multiple components. The built-in voltage and current limiting functions protect the equipment under test, preventing any potential damage.

On the other hand, the Agilent 6623A provides additional capabilities with its three outputs, making it particularly suitable for complex testing procedures. With a maximum voltage of 20V and output current reaching 6A across all channels, it ensures that multiple loads can be powered simultaneously without compromising performance.

The Agilent 6624A further pushes these capabilities with its higher output power. This model boasts two outputs with a combined maximum output of up to 6A, supporting devices that require more demanding power levels. Its advanced control features allow for precise voltage and current adjustments, enhancing reliability during experiments.

Lastly, the Agilent 6627A stands out as a highly scalable power supply, capable of delivering up to 40V and 7.5A across its multiple outputs. This model is particularly beneficial for applications requiring higher voltages, enabling engineers and technicians to work with a broader array of components and systems.

All models in the Agilent 6600 series incorporate built-in protection features to guarantee safety during testing. They are equipped with memory functions, allowing users to save and recall settings quickly. Additionally, the intuitive interface and various connectivity options make these power supplies user-friendly, ensuring efficient workflow in any laboratory setting. In summary, the Agilent 6600 series offers a compelling combination of versatility, precision, and advanced features, catering to diverse electronic testing applications.
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