External Data Logging - Agilent Technologies Series N6700 User Manual

External Data Logging

NOTE
Function
Data viewing
Data storage
Measurement
resources
Measurement
functions
Logging rate
Select the Measurement Functions and Ranges
Series N6700 User's Guide
The external data log function is only available on mainframes with firmware
revision D.01.09 and up. It cannot be programmed from the front panel.
The power system has an external data logger (ELOG) function that
lets you log voltage and current measurements from all four outputs
directly to an internal FIFO (first-in, first-out) buffer. Note that this
buffer is only large enough to hold about 20 seconds of accumulated
measurements. The following table lists this, along with some other
restrictions that apply to the external data logger.
External Data Logger
No front panel view or front panel control. Data must be exported to a
spreadsheet.
Buffers measurements for about 20 seconds and requires that the computer
periodically reads measurements to prevent the internal buffer from
overflowing. The computer needs to provide the data storage function.
Run independently on each output. Some outputs can be running an external
data log, while the remaining outputs can be used in front panel control or
used for other SCPI functions.
If a power module has only one measurement converter, then either voltage
or current, but not both, can be logged.
Up to 102.4 microseconds for one parameter with data format set to real.
Briefly, to make external data log measurements:
Select the measurement functions and ranges.

Specify the measurement integration period.

Select the trigger source.

Trigger the data logger.

Retrieve the data log measurement.

The external data logger function cannot be programmed from the
front panel.
The following commands select a measurement function:
Front Panel:
Not Available
Operating the Power System 4
SCPI Command:
To enable voltage or current measurements:
SENS:ELOG:FUNC:VOLT ON,(@1)
SENS:ELOG:FUNC:CURR ON,(@1)
To enable min/max measurements:
SENS:ELOG:FUNC:VOLT:MINM ON,(@1)
SENS:ELOG:FUNC:CURR:MINM ON,(@1)
91