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5. Operation
5.1.
Basic Operation
⚫ Maximum value and minimum value display
For the maximum / minimum value display screen, the maximum value, current value,
and minimum value for each measurement item are displayed on one screen.
However, for harmonics only the following maximum values are displayed.
Harmonic current: Total effective values for where the phase was largest for each phase.
Harmonic voltage: Total distortion factor for where the phase was largest for each phase
■ Example Display
＜Example of current＞
⚫ Display of maximum value and minimum value
When
is pressed, the display is changed into the maximum value and minimum value display.
And when
is pressed, the display changes back to the present value display.
Example of switching between present value display and maximum/minimum value display
On maximum/minimum value display, the following operation is also possible as current value display.
Button operation
Press
Press
Press
for 2 seconds
Press
for 2 seconds
⚫ Clear the maximum/minimum value
On the maximum/minimum value display screen, press the
value for the displayed measurement item to the present value.
On the maximum/minimum value display screen, press the
maximum/minimum values to the present value.
When the password protection setting is
Also, you can clear all maximum/minimum values by communication function. (In this case, the password is not
necessary.)
＜Example of current harmonics＞
The bar graph turns on only
between the maximum value
and minimum value.
Upper: Maximum value
Middle: Current value
Lower: Minimum value
Present value display
Measurement items switch according
to the following order.
However, measurement items that are not included
in the phase wire method display pattern setting
and additional screens are not displayed.
3-phase 4-wire: A and DA switch as
V switches as
W, PF switch as
A
, DA
N
3-phase 3-wire, 1-phase 3-wire: Phase for A, DA and V switch.
1-phase 2-wire: No phase switch.
Switches to measurement item cyclic display.
Switches to phase cyclic display.
enabled, maximum/minimum values are cleared after you enter the password.
Maximum value and minimum value display
Function
Average→1 Phase→2 Phase→3 Phase
→V
→V
V
(L-N)→V
AVG
1N
2N
and Hz do not have phase switching.
N
for 2 seconds to clear the maximum/minimum
and
together for 2 seconds to clear all
＋
RESET
41
Harmonics won't display
as bar graph.
Harmonic degree
Maximum value
A
: N-phase current
N
DA: Current demand
DA
: N-phase current demand
N
HI:
Harmonic current
HI
:
N-phase harmonic current
N
HV:
Harmonic voltage
→V
→V
(L-L)→V
3N
AVG
12
23
→V
31
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