17-6
IM CW240E
(4) Function Specifications
●
Frequency Measurement Function
Measurement Input
Voltage Input Select from U1, U2, and U3.
Measurement Frequency Range 45 to 65 Hz
Display Range
40.00 to 70.00 Hz
Accuracy
⫾
0.1% rdg.
⫾
1 dgt.
Upon 10 to 130% sine wave input of the
voltage range
Low-pass Filter Function
Cutoff Frequency Approx. 300Hz
ON/OFF can be set
●
Electric Energy Measurement Function
Measurement Elements
Electric energy, regenerative energy,
lagging reactive energy, leading reactive
energy
Measurement Accuracy
Active power, reactive power measurement
accuracy
⫾
1dgt.
(When the display digit setting is STANDARD.)
Measurement Range
Electric energy
Consumed: 0.00000 mWh to 999999 GWh
Regenerative:
⫺
0.00000 mWh to
⫺
999999 GWh
Reactive energy
Lagging: 0.00000 mvarh to 999999 Gvarh
Leading:
⫺
0.00000 mvarh to
⫺
999999 Gvarh
Display Digit Design Function
Select from the minimum resolution shift
through integration value, minimum
resolution setting, and automatic setting
according to the rated power.
Integration Time Accuracy
⫾
20 ppm (Typ., 23
⬚
C)
●
Demand Measurement Function
Measurement Elements
Active power (consumed), reactive
power (lagging), power factor:
Demand value within the interval time
Electric energy (consumed, regenerative),
Regenerative energy (lagging, leading):
Demand value within the interval time
Maximum demand value (power
consumption demand) from the start of
integration measurement and the time of
occurrence
Measurement Accuracy
Active power, reactive power
measurement accuracy
⫾
1 dgt.
(When the display digit setting is STANDARD.)
Range, VT Ratio, CT Ratio
According to Display
Digits Setting
17.1 CW 240 Specifications