
2857-570/024-001
Properties
22
Product manual | Version: 2.0.0
3-Phase Power Measurement Module, 1 A
Property
Value
Usable current transformers
Per EN 61869-3
(e.g., Art.-Nr. 855-03x, 855-04x, 855-06x,
855-08x, 855-10x)
Per EN 61010-1: Rogowski Coils (e.g., Art.-Nr.
855-91xx, 855-94xx)
Test voltage
3,51 kVAC, 50 … 60 Hz, 1 Min.
Isolation type per EN 61010-1
Measurement inputs / system
Isolation type
Impedance and Supplementary Insulation
N port requirement
Must not be connected.
I
LX
input requirement
Current Transformer
Line/neutral conductor voltage
600 VAC
Overvoltage category
III
Adjacent Modules
Isolation type
Impedance and Supplementary Insulation
Line/neutral conductor voltage
600 VAC
Overvoltage category
III
4)
See
8
Overview "Common Mains Supply Systems and Line Voltages" [
3.6.4 Measured Variables
Table 8: Technical Data – Measured Variables
Property
Description
Measurement method
•
A/D input signal conversion with 8 Hz sampling rate
and 24-bit quantization synchronized over all 7
measurement inputs.
•
Measurement value calculation with digital signal
processor.
Measured variables
Voltage
• Voltage (rms) U
Lx−N
• Min./Max. Voltage (rms) U
Lx−N
• Arith. mean Voltage U
Lx−N
• Peak value voltage U
Lx−N
• Line-to-line voltage (rms) U
Lx−Ly
Current
• Current (rms) I
Lx
• Min./Max. current (rms) I
Lx
• Arith. Mean current I
Lx
• Peak value current I
Lx
• Current (rms) N
Power
• Active power P
Lx
• Min./Max. Active power P
Lx
• Active power total
• Reactive power P
Lx
• Reactive power total
• Apparent power P
Lx
• Apparent power total