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62 Local Operation
Using The System Keys
These keys consist of Local, Address, Error (shifted Address key), Recall, Save (shifted Recall key), and the blue shift key
(bottom key in the SYSTEM column). The Local key and the Shift key have already been discussed. The remaining
SYSTEM keys are described in the following paragraphs.
Setting The GPIB Address
Before you can program the Multiple Electronic Load remotely via a GPIB computer, you must know its GPIB address.
You can find this out by pressing
. The Multiple Electronic Load’s GPIB address will be displayed; for example
"ADDRESS 5". The Multiple Electronic Load is shipped from the factory with its address set to 5.
If you want to leave the address set at 5, you can return to the metering mode by pressing the Meter key.
If you want to change the address, you can enter a new value. Any integer from 0 to 30 can be selected. For example, to
change the address to 12 press:
This new address will remain set and will not be lost when power is cycled. Note that the Address setting is not affected by
the Save and Recall functions described below.
Displaying Error Codes
Remote programming errors are indicated when the Err annunciator is on. To display the error code(s), first return to local
control by pressing
To display an error code, press (blue shift key) (shifted).
Errors are recorded in a list and are displayed in the order in which they occurred. Each time the shifted Error key is
pressed, an error code is displayed. Once an error is displayed, it is removed from the error list. "ERROR 0" indicates
there are no errors present and will be displayed when all errors in the list have been displayed. The error codes are
negative numbers in the range from - 100 to - 499. Refer to the Agilent Electronic Loads Programming Reference Guide
for a description of the error codes.
Saving and Recalling Settings
The Multiple Electronic Load’s settings (mode, input state, current levels, resistance levels, etc.) for all channels can be
saved and then recalled for use in various test setups. This simplifies the repetitive programming of different settings. The
complete list of parameters that can be saved and recalled for a particular module are the same parameters as listed for the
factory default values. Refer to the applicable module-specific pages.
The present settings of all parameters can be saved in a specified storage register (0 to 6) using the Save (shifted Recall)
key. At a later time, you can recall the settings from the specified register using the Recall key. The Save and Recall keys
affect all channels simultaneously.
For example, you can store the present settings in register 2 by pressing
(blue shift key) (shifted)
You can change the Multiple Electronic Load’s settings as required and then return to the settings stored in register 2 by
pressing