MCETH CARLO GAVAZZI, MCETH Datasheet - Page 13

• Manufacturer Part Number: MCETH
• Description: ETHERNET PORT MODULE
• Manufacturer: CARLO GAVAZZI

Specifications of MCETH

• Accessory Type: Ethernet Port Module
• For Use With: WM3096 Type Smart Modular Power Analyzer

kWh, accuracy (RDG) depending on the current
WM30 96
Accuracy (According to EN50470-3 and EN62053-23)
Used calculation formulas
Phase variables
Instantaneous effective voltage
Instantaneous active power
Instantaneous power factor
Instantaneous effective current
Instantaneous apparent power
Instantaneous reactive power
Specifications are subject to change without notice
PF=L0.5
+0.5%
0%
-1%
-0.5%
or C0.8
+1%
PF=1
Accuracy limits (Active energy)
Start-up current: 5mA (AV5-6), 1mA (AV4-7)
Percentage error limits for class index C
0.05A (I
0.01A (I
min
min
)
)
0.25A (I
0.05A (I
0.25A (I
0.05A (I
tr
tr
tr
tr
)
)
)
)
5A (I
1A (I
5A (I
1A (I
n
ref
n
ref
)
)
)
)
System variables
Equivalent three-phase voltage
Voltage asymmetry
A S Y
Three-phase reactive power
Three-phase active power
Three-phase apparent power
Total harmonic distortion
ASY
L L
LN
WM30 96 DS 271109
6A (I
2A (I
6A (I
2A (I
=
=
(
(
V
V
max
max
max
max
L L
LN
m a x
max
)
)
)
)
V
V
L L
LN
-
-
V
å
å
V
LN
L L
min
m in
kvarh, accuracy (RDG) depending on the current
)
)
+2,5%
+2%
0%
-2%
-2,5%
sinϕ=0.5
sinϕ=1
Accuracy limits (Reactive energy)
Start-up current: 5mA (AV5-6), 1mA (AV4-7)
Error
0.02A
0.25A
0.05A
0.1A
Three-phase power factor
Energy metering
Where:
i= considered phase (L1, L2 or L3)
P= active power; Q= reactive power;
t
of consumption recording; n= time
unit;∆t= time interval between two
successive power consumptions;
n
time points of consumption recording
1
1
, t
0.25A
0.05A
0.5A
0.1A
, n
2
2
=starting and ending time points
= starting and ending discrete
5A (I
1A (I
5A (I
1A (I
n
b
n
b
)
)
)
)
(TPF)
6A (I
2A (I
6A (I
2A (I
max
max
max
max
)
)
)
)
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