EFR4001IP
12720-0713-00
Page
39 / 53
www.ziehl.de
Measurement: Power factor
– cos φ
Measuring range
-1,0000
… 1,0000
Resolution
0,0001 [= 1 Digit]
Update time of power factor registers
1 s
Max. error of measurement
±1% ± 1 Digit
Measurement: Line frequency f
Measuring range
40,00
… 70,00 Hz
Resolution
0,01 Hz [= 1 Digit]
Update time of line frequency registers
1,2 ms
Max. error of measurement
±0,01% ± 1 Digit
Measurement: Voltage p
hase angle φ (
∠
(U-L1, U-L2),
∠
(U-L1, U-L3),
∠
(U-L2, U-L3) )
Measuring range
0
… 360,000°
Measuring direction
Counterclockwise
Resolution
0,001° [= 1 Digit]
Update time of phase angle registers
1 s
Max. error of measurement
±1° ± 1 Digit
Measurement: Current p
hase angle φ (
∠
(I-L1, I-L2),
∠
(I-L1, I-L3),
∠
(I-L2, I-L3) )
Measuring range
0
… 360,000°
Measuring direction
Counterclockwise
Resolution
0,001° [= 1 Digit]
Update time of phase angle registers
1 s
Max. error of measurement
±1° ± 1 Digit
Energy count (active power)
Counting range
-
2.147.483 kWh … 2.147.483 kWh
Max. error of measurement
± 5%
Max. error relay / analogue outputs
Values are only extrapolations (as consumers can
also be switched off externally)
Analog output (GND (
┴
), I+)
DC 0/4/0-10
…. 20 mA
for active power ±999 kW, scalable
Max. error
±0,3 % of full-scale (from 0,1 mA)
+ error of measurement active power
Temperature factor
< 0,015 % / K
Resolution
11,6 Bit < 6,1 μA
Load
≤ 500 Ω
error load
(250 Ω – load) / 250 Ω * 0,3 % of current
Regulation/ control
linear, phase control or phase alignment,
with reinforced insulation / protective separation
Analog output (GND (
┴
), U+)
DC 0/2/0-5
… 10 V
for active power ±999 kW, scalable
Max. error
±0,3 % of full-scale (from 0,1 V)
+ error of measurement active power
Temperature factor
< 0,01 % / K
Resolution
11,6 Bit < 3,1 V
Load
≥ 1 kΩ
error load
(250 Ω – load) / 250 Ω * 0,3 % of current
Regulation/ control
linear, phase control or phase alignment,
with reinforced insulation / protective separation