Functions In Detail - Mitsubishi Electric Melsec Q Series User Manual

4 Functions

4.2 Functions in detail

4.2.1 Measuring functions
(1) Measured items
Measured items and measured ranges are described as follows:
Each measured item is stored in the buffer memory every 250 ms.
Current
Current demand
* The average of fluctuation for the set period of
current demand time is indicated.
Voltage
Electric power
Electric power demand
* The average of fluctuation for the set period of
electric power demand time is indicated.
Reactive power
Power factor
Frequency
Electric energy
Reactive energy
Periodic electric energy
*1: If phase wire system is set to single-phase 2-wire, measurement will not be taken.
Measured items
*2
4 - 2
Details
1 - phase current
2 - phase current *1
3 - phase current *1
Average current
1 - phase current demand
2 - phase current demand
3 - phase current demand
Max. value
Min. value
Date of max. value occurrence
Date of min. value occurrence
1 - 2 line voltage (voltage V12)
*1
2 - 3 line voltage (voltage V23)
*1
3 - 1 line voltage (voltage V31)
Average voltage
Max. value
Min. value
Date/time of max. value occurrence
Date/time of min. value occurrence
Present value
Present value
Max. value
Min. value
Date/time of max. value occurrence
Date/time of min. value occurrence
Reactive power
Present value
Max. value
Min. value
Date/time of max. value occurrence
Date/time of min. value occurrence
Present value
Electric energy (consumption)
Electric energy (regeneration)
Reactive energy (consumption lag)
Periodic electric energy 1
Periodic electric energy 2
QE81WH
*1
*1