MR ETOS ED - Voltage measurement and current measurement

14 Technical data
Maschinenfabrik Reinhausen GmbH 2020 3836385142/08 EN ETOS
®
ED
14.5.3 Voltage measurement and current measurement
UI1 UI3
Measurement 1 phase 3-phase
Voltage measurement U
N
(RMS): 100VAC
Measuring range (RMS): 19.6...150V AC
Measuring accuracy (at U
N
, -25...+70°C): <±0.3%
Intrinsic consumption: <1VA
Measurement categoryIII in accordance with
IEC61010-2-30
Current measurement I
N
: 0.2 / 1 / 5A
Measuring range: 0.01...2.1·I
N
Overload capacity: 12.5A (continuous), 500A (for 1s)
Measuring accuracy (at I
N
, -25...+70°C): <±0.5%
Intrinsic consumption: <1VA
Phase angle Measuring accuracy (-25...+70°C): U
x
/I
x
<±0.5°; U
x
/
U
y
<±0.3°
Frequency measurement f
N
: 50 / 60Hz
Measuring range: 45...65Hz
Measuring accuracy (-25...+70°C): <±0.03%
Table142: Technical data for the UI1 and UI3 assemblies
Interface Pin Description
UI 1
UI 3
N L NC NC
N L1 L2 L3
N Voltage input for neutral conductor
L, L1 Voltage input for phase L (UI1) or L1 (UI3)
L2 Voltage input for phase L2 (UI3 only)
L3 Voltage input for phase L3 (UI3 only)
Table143: Voltage measurement
Interface Pin Description
k, k1 Current input for phase L (UI1) or L1 (UI3)
l, l1 Current output for phase L (UI1) or L1 (UI3)
k2 Current input for phase L2 (UI3 only)
l2 Current output for phase L2 (UI3 only)
k3 Current input for phase L3 (UI3 only)
l3 Current output for phase L3 (UI3 only)
Table144: Current measurement