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2.2.2 Connection diagrams
S2
P2
S1
P1
L1
L2
L3
N
S2
P2
S1
P1
S2
P2
S1
P1
N
A
lim
en
ta
ci
on
Po
w
er
S
up
pl
y
S2
P2
S1
P1
L1
L2
L3
S2
P2
S1
P1
S2
P2
S1
P1
b
B
a
A
b
B
a
A
L1
L2
L3
b
B
a
A
b
B
a
A
S2
P2
S1
P1
S2
P2
S1
P1
A
lim
en
ta
ci
on
Po
w
er
S
up
pl
y
Figure 2. [4-wire / 3-wire - Low Voltage]
Figure 3. [2 voltage transformers -
3 current transformers]
Figure 4. [2 voltage transformers -
2 current transformers]
3 OPERATING MODE
When power is supplied to the
CVM-MINI
, the equipment will start its software interface
on the screen showing the version of the firmware and its setting. After a few seconds
the equipment is ready to operate and shows all available screens.
Once started the power analyzer will display the programmable electrical parameters
via the measurement
Set-up
. If there is no previous setting, the analyzer will display the
voltage between phase and neutral for L1, L12 and L1
Ci r c
u t o r
UER1 .0 0
Figure 5. CVM-MINI
-
-
-
8 .8 .8 .8
8 .8 .8 .8
8 .8 .8 .8 .8 8
L1
L2
L3
THD
PF
OS
C
I
N
Pd
kvVArCh
Hz
Figure 6. CVM-MINI display - LCD SEGMENTS
