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0.01 = 10 Wh/VArh
0.1 = 100 Wh/VArh
1 = 1 kWh/kVArh
10 = 10 kWh/kVArh
100 = 100 kWh/kVArh
Pulse width 200/100/60 ms.
RS485 Output for Modbus RTU
For Modbus RTU, the following RS485 communica-
tion parameters can be configured from the set-up
menu:
Baud rate 2400, 4800, 9600, 19200, 38400
Parity none (default) / odd / even
Stop bits 1 or 2
RS485 network address nnn – 3-digit number, 1 to 247
Modbus™ Word order Hi/Lo byte order is set auto-
matically to normal or reverse. It cannot be config-
ured from the set-up menu.
Energy Measurements
Imported/Exported active energy
Imported/Exported reactive energy
Total active energy
Total reactive energy
Auxiliary Supply
Two-way fixed connector with 2·5mm2 stranded wire
capacity. 85 to 275V a.c. 50/60Hz ±10% or 120V to
380V d.c. ±20%. Consumption <2W 10VA.
Operating range
Measured Inputs
Voltage inputs through 4-way fixed connector with
2.5mm² stranded wire capacity. single phase two
wire(1p2w), three phase three wire(3p3w) or three
phase four wire(3p4w) unbalanced. Line frequen-
cy measured from L1 voltage or L3 voltage. Three
current inputs (six physical terminals) with 2.5mm²
stranded wire capacity for connection of external CTs.
Nominal rated input current 5A or 1A a.c. Rms.
Nominal Voltage Input
Max Continuous Voltage
Nominal Input Current
Max Continuous Current
Nominal Input Current Burden
Frequency
Version No. 1.0
18/03/2015
0 to 9999999.9 kWh
0 to 9999999.9 kVArh
0 to 9999999.9 kWh
0 to 9999999.9 kVArh
87...275VAC ±10% / 120....380VDC
±20%
(Ph+N) 100 to 289V (Ph+Ph) 173
to-500V
120% of nominal
0.25-5A(6)A AC rms
120% of nominal
0.5VA
45-65Hz
Accuracy
Voltage
Current
Frequency
Power factor
Active power (W)
Reactive power (VAr)
Apparent power (VA)
Active energy (Wh)
Reactive energy (VARh)
Total harmonic distortion
Response time to step input
Reference Conditions of Influence Quantities
Influence Quantities are variables that affect measure-
ment errors to a minor degree. Accuracy is verified
under nominal value (within the specified tolerance)
of these conditions.
Ambient temperature
Input waveform
Input waveform
Auxiliary supply voltage
Auxiliary supply frequency
Auxiliary supply waveform (if AC)
Magnetic field of external origin
Environment
Operating temperature
Storage temperature
Relative humidity
Altitude
Warm up time
Vibration
Shock
*Maximum operating and storage temperatures are
in the context of typical daily and seasonal variation.
Product Datasheet
0·5% of range maximum
0·5% of nominal
0·2% of mid-frequency
1% of unity (0.01)
±1% of range maximum
±1% of range maximum
±1% of range maximum
Class 1 IEC 62053-21
±1% of range maximum
1% up to 31st harmonic
1s, typical, to >99% of final
reading, at 50 Hz.
23°C ±1°C
50 or 60Hz ±2%
Sinusoidal (distortion factor <
0·005)
Nominal ±1%
Nominal ±1%
Sinusoidal (distortion factor < 0·05)
Terrestrial flux
-25°C to +55°C*
-40°C to +70°C*
0 to 95%, non-condensing
Up to 3000m
1 minute
10Hz to 50Hz, IEC 60068-2-6, 2g
30g in 3 planes
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