Selecting the Channel

You can select a channel in either of two ways:

1.You can use the Channel key in conjunction with the ENTRY keys to select a channel. For example, to select channel 1 press:

2.You can use the and keys to increment () and decrement () the channel number. The new channel number is selected immediately-

Identifying the Selected Channel

The Ident key is used to identify which module is installed in the selected channel. For example, with channel 1 selected,

press and observe the display. Assuming that the Agilent 60502A 300 Watt Module is installed in channel 1, the display will indicate:

"l 60V 60A"

Assume that the Agilent 60501A 150 Watt Module is installed in channel 2. Select channel 2 by pressing

. Now, press

and observe that the display indicates:

"2 60V 30A"

 

Using The Function Keys

Most of an Electronic Load Module’s functions can be programmed using these keys. Figure 4-2 is a flow chart that shows a recommended programming sequence. Note that the sequence includes selecting a channel and turning the module’s input off before you program any values. This is a good practice because it insures that there is no input current while you are setting up your test program.

Programming is then accomplished by selecting a mode of operation (CC, CR, or CV) and setting the desired values for range (if applicable), the main operating level, and the slew rate. If transient operation is desired, set the transient level, make the desired frequency and duty cycle settings, and turn transient operation on. The settings you make will take effect at the selected channel’s input as soon as you turn the input on.

The programming ranges and the factory default values for a particular module are given in the applicable module-specific pages. If you program a value outside of the valid range, it will be ignored and the display will read "OUT OF RANGE". A few programming examples are given in subsequent paragraphs.

Note

In the programming examples that follow, it is assumed that channel 1 is selected and that a dc source is

 

connected to the associated module’s INPUT binding posts.

 

 

Turning the Input On/Off

The input can be toggled on and off by pressing . When the input is turned off, the message "INPUT OFF" will be displayed. The input on/off change does not use any slew setting, so the input will change at the maximum rate. Turning the input off does not change the programmed settings.

Turning the input on again restores the input to the programmed values and returns the display to the metering mode.

54 Local Operation

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Agilent Technologies 6050A, 6051A manual Using The Function Keys, Selecting the Channel, Identifying the Selected Channel

6051A, 6050A specifications

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