Enter/Output Statements

The programming statements you use to operate your supply from remote depend on your computer and its language. In particular, you need to know the statements your computer uses to output and enter information. For example, the Agilent BASIC language statement that addresses the power supply to listen and sends the command to the power supply is:

OUTPUT

The Agilent BASIC language statement that addresses the power supply to talk and reads back data from the power supply is:

ENTER

The supply’s front panel ADDR annunciator is on when the supply is addressed to talk or to listen.

Reading the GP-IB Address

Before you can operate your power supply remotely, you need to know its GP-IB address. The address was displayed during the power on sequence described in page 36. To see the address, press:

ADDR

A typical address display is shown in Figure 3-6:

Figure 3-6. Typical Address Display

The displayed response is the power supply’s GP-IB address. When sending a remote command, you append this address to the computer’s GP-IB interface select code (normally 7). For example, if the select code is 7 and the power supply’s GP-IB address is 5, the combination is 705.

Changing the GP-IB Address

Note

All examples in this discussion assume a GP-IB address of 5. It is recommended that you retain this

 

address to simplify programming.

 

 

Every device on the GP-IB must have an address. The supply’s address is factory set to decimal 5. Any address from 0 through 30 is a valid address. If you need to change the Agilent 662xA Supply’s address press:

ADDR

You can now enter a new address. For example, press:

1

4

ENTER

You have now changed the address from 5 to 14. If you want to change the address back to 5, repeat the above procedure but use 5 instead of 14 in the last step. Note that the address is stored in the power supply’s non-volatile memory and therefore will be retained through interruption of the ac line power.

40Getting Started

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Agilent Technologies 6626A, 6628A, 6625A Enter/Output Statements, Reading the GP-IB Address, Changing the GP-IB Address
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6629A, 6625A, 6626A, 6628A specifications

Agilent Technologies, a recognized leader in electronic test and measurement solutions, has developed a series of precision power supplies ideal for a variety of applications in both research and industry. The Agilent 6628A, 6626A, 6625A, and 6629A are part of the Agilent 6000 series and stand out due to their innovative technologies and robust functionalities.

The Agilent 6628A is a triple-output power supply, featuring two 0 to 20 V outputs capable of delivering up to 3 A each, along with a 5 V output that can supply 5 A. This combination is perfect for supplying power to devices that require multiple supply voltages simultaneously, making it an excellent choice for testing and development purposes.

The Agilent 6626A, on the other hand, offers dual output capabilities with higher specifications. Each of its outputs can be adjusted from 0 to 25 V and delivers up to 3 A, providing enhanced flexibility for designers and engineers working with various devices. Additionally, the 6626A's compact size and lightweight design make it easy to integrate into test setups without occupying excessive space.

For applications that require comprehensive monitoring, the Agilent 6625A provides a unique solution with its built-in digital voltmeter (DVM). This power supply comes with two 0 to 25 V outputs, both capable of 3 A. The integrated DVM allows real-time measurement and displays voltage and current values, ensuring accurate readings during experimentation and testing.

Lastly, the Agilent 6629A is designed for high-performance applications, providing up to four outputs, including two adjustable outputs that can be set between 0 to 35 V and deliver 5 A each. This model is particularly suited for environments where multiple devices need to be powered simultaneously with varying voltage requirements.

All four models come equipped with key features including ease of programming, precision regulation, and superior load transient response. They employ advanced technologies like low-noise operation and excellent line regulation, ensuring stable performance under varying load conditions. Additionally, safety features such as overvoltage protection, current limiting, and rapid recovery from overloads guarantee reliable operation.

In summary, Agilent's 6628A, 6626A, 6625A, and 6629A power supplies provide versatile, precise, and reliable solutions for all electronic testing needs. Their characteristics and dedicated functionalities make them indispensable tools for engineers, researchers, and developers across numerous fields. Whether it's for prototyping, testing, or production, these power supplies deliver the quality and performance that professionals expect from Agilent Technologies.
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