3

Getting Started

Introduction

This chapter is intended for the first time user of the supply. It provides four main discussions:

∙Front Panel Controls and Indicators

∙Turning on Your Supply

∙Checking Out Your Supply Using Local Control

∙Introduction to Remote Operation

First, the supply’s front panel controls and indicators are briefly described. Some of the controls and indicators will be used in the Turn On and Checkout procedures that follow. Chapter 6 describes how to use all of the front panel controls.

Successful completion of the turn on and checkout procedures ensures with a high level of confidence that your supply is operating properly. Complete performance testing and troubleshooting procedures are given in the Service Manual (Agilent Part No. 5957-6379).

The checkout procedures are performed locally from the front panel. In addition to checking the operation of your supply, these simple step-by-step checkout procedures will help the first time user become familiar with operating the supply from the front panel.

When you have completed the checkout procedures, you are then introduced to the fundamentals of operating the supply remotely from a computer. You will learn how to send a command to the supply from the computer and how to get data back to the computer from the power supply. A few of the most often used power supply commands will be described to help you get started and become familiar with the basics of programming your supply.

After completing this chapter, you can proceed to Chapter 4 to find out how to make load connections to your supply’s outputs and then to Chapter 5 (Remote Control) and/or Chapter 6 (Local Control) to learn all the details about operating your supply.

Front Panel Controls and Indicators

The power supply’s controls and indicators are shown in Figure 3-1 and are described in Table 3-1. Note that the front panel controls are identical for Agilent Models 6621A-6624A, and 6627A, except for the number of OUTPUT annunciators (number 3 in Figure 3-1). The Agilent Model 6624A, shown in Figure 3-1, has four outputs (as does the Agilent 6627A), Agilent Models 6621A and 6622A each have two outputs, and Agilent Model 6623A has three outputs.

Table 3-1, in addition to providing a brief description of each control and indicator, lists the paragraphs in which the use of each control and indicator is described. Because most of the functions performed by the front panel controls can also be performed remotely by power supply commands, the corresponding paragraphs in Chapter 5 (Remote Operation) are listed in Table 3-1 where applicable.

Turning On Your Supply

The following paragraphs describe the power-on sequence which includes a self test of most of the power supply’s circuits.

Before you turn on your supply, make sure that:

∙The line module on the rear panel is set to match your input line voltage.

∙The proper fuse is installed and the line cord is plugged in.

Getting Started 31

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Agilent Technologies 6624A, 6621A, 6627A, 6622A Getting Started, Front Panel Controls and Indicators, Turning On Your Supply
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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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