5.16 Measured Values History System
Device can log measured values (energy, power, voltage, current …) into his history memory. Capacity
of this memory is approximately 100.000 measurements of all available measured quantities which
means approx. 26 hours logging at default integration time 1 second or more when integration time is
longer.
Measured Values History system can be configured locally (via menu of the device) or remotely (via
commands on RS-232 interface).
Historical values of measured data are available locally from display or remotely.
Configuration Parameters and Functions
STATE – general enable/disable parameter of this function (ENABLE / DISABLE)
QUANTITIES – selection of quantities which will be logged into history memory (ALL)
INTEGR. TIME – integration time for accumulation / calculation of samples for each selected quantity.
Samples are stored into historical memory. Value 0 means integration time equal to
parameter Time Base (configurable from Measurement submenu).
RESET – reset of Measured Values History system (clearing of all measured values from memory)
Local Configuration
Configuration parameters and functions are accessible locally from this submenu:
SPECIAL FUNC. / HISTORY
Remote Configuration
Configuration parameters and functions can be accessed remotely using these commands:
SYSTem:HISTory:STATe {0 | 1}
General disabling (0) or enabling (1) of Measured Values History functionality.
SYSTem:HISTory:STATe?
Request for state of Measured Values History functionality. Reply is 0 if disabled or 1 if enabled.
SYSTem:HISTory:INTegrtime {time}
Setting of integration time of Measured Values History functionality. Parameter defines time. Value 0
means integration time equal to measurement parameter Time Base.
SYSTem:HISTory:INTegrtime?
Request for setting of integration time of Measured Values History functionality.
SYSTem:HISTory:RESet
Reset of Measured Values History functionality (clearing of historical memory).
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