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45
IM CW500-02EN
External input voltage DCi [V]
Range
100.0mV/1000mV/10.00V
Display digits
4 digits
Effective input
range
1% to ±100% (DC) of each range
Display range
0.3% to ±110% of range (displays 0 for less than 0.3%)
Accuracy
±0.5%f.s (DC)
Input impedance
Approx. 225.6 kΩ
Saved item
External input voltage
Computed Items
Apparent power S [VA]
Range
Same as active power
Display digits
Same as active power
Accuracy
Computed value from each measured value ± 1 dgt (the
total value is ±3 dgt)
Sign
No polarity
Equation
S
c
=
V
c
×A
c
When
P
c
>
S
c
,
P
c
=
S
c
.
c: measurement channel
1P2W-1 to 4
S
1
,
S
2
,
S
3
,
S
4
,
S
sum
=
S
1
+S
2
+S
3
+S
4
1P3W-1, 2
S
1
,
S
2
,
S
sum1
=
S
1
+S
2
S
3
,
S
4
,
S
sum2
=
S
3
+S
4
S
sum
=
S
sum1
+S
sum2
3P3W-2
S
1
,
S
2
,
S
sum1
=
√3
/
2( S
1
+S
2
)
S
3
,
S
4
,
S
sum2
=
√3
/
2( S
3
+S
4
)
S
sum
=
S
sum1
+S
sum2
3P3W3A
S
1
,
S
2
,
S
3
,
S
sum
=
S
1
+S
2
+S
3
*
Use the phase voltage.
3P4W
S
1
,
S
2
,
S
3
,
S
sum
=
S
1
+S
2
+S
3
Specifications