Lovato DMG110 - Connection Schemes

I422 GB I 10 17 31100212
G
B
11
CONNECTION SCHEMES
AUX SUPPLY
A1
S2
A2
VOLTAGE
V1 VNV2 V3
S1
CURRENT
110...250VDC
100...240VAC
N
L2
L3
L1
TA/CT1
D
TA/CT2
O
TA/CT3
A
L
+
---
S2S1
S2S1
RS485
A B
I1
S2S1
I3I2
S1 S2 S1 S2
AUX SUPPLY
A1
S2
A2
VOLTAGE
V1 VNV2 V3
S1
110...250VDC
100...240VAC
N
L2
L1
TA/CT1
D
TA/CT2
O
A
L
+
---
S2S1
RS485
AB
CURRENT
I1
S2S1
I3I2
S1 S2 S1 S2
3-phase connection whit or without neutral
P01.07 = L1-L2-L3-N L1-L2-L3
2-phase connection
P01.07 = L1-N-L2
AUX SUPPLY
A1
S2
A2
VOLTAGE
V1 VNV2 V3
S1
110...250VDC
100...240VAC
N
L1
TA/CT1
D
O
A
L
+
---
RS485
AB
CURRENT
I1
S2S1
I3
I2
S1 S2 S1 S2
AUX SUPPLY
A1
S2
A2
VOLTAGE
V1 VNV2 V3
S1
CURRENT
110...250VDC
100...240VAC
N
L2
L3
L1
TA/CT1
D
O
A
L
+
---
RS485
A B
I1
S2S1
I3
I2
S1 S2 S1 S2
Single-phase connection
P01.07 = L1-N
Balanced 3-phase connection whit or without neutral
P01.07 = L1-L2-L3-N-BIL L1-L2-L3-BIL
AUX SUPPLY
A1
S2
A2
VOLTAGE
V1 VNV2 V3
S1
CURRENT
110...250VDC
100...240VAC
L2
L3
L1
TA/CT1
D
TA/CT2
O
A
L
+
---
S2S1
RS485
A B
I1
S2S1
I3I2
S1 S2 S1 S2
AUX SUPPLY
A1
S2
A2
VOLTAGE
V1 VNV2 V3
S1
CURRENT
110...250VDC
100...240VAC
N
L2
L3
L1
TA/CT1
D
O
TA/CT3
A
L
+
---
S2S1
RS485
A B
I1
S2S1
I3I2
S1 S2 S1 S2
ARON connection 3-phase without neutral
P01.07 = L1-L2-L3
ARON connection 3-phase without neutral
P01.07 = L1-L2-L3
AUX SUPPLY
A1
S2
A2
VOLTAGE
V1 VNV2 V3
S1
CURRENT
110...250VDC
100...240VAC
N
L2
L3
L1
TA/CT1
D
TA/CT2
O
TA/CT3
A
L
+
---
S2S1
S2S1
RS485
A B
I1
S2S1
I3
I2
S1 S2 S1 S2
TV/VT
AUX SUPPLY
A1
S2
A2
VOLTAGE
V1 VNV2 V3
S1
CURRENT
110...250VDC
100...240VAC
L2
L3
L1
TA/CT1
D
TA/CT2
O
TA/CT3
A
L
+
---
S2S1
S2S1
RS485
A B
I1
S2S1
I3I2
S1 S2 S1 S2
TV/VT
3 phase connection with neutral via VT
Set P01.04, P01.05 and P01.06
P01.07 = L1-L2-L3-N
3 phase connection without neutral via VT
Set P01.04, P01.05 and P01.06
P01.07 = L1-L2-L3
NOTES
1. Recommended fuses:
aux supply and measure inputs voltage: F1A (fast).
2. S2 terminals are internally interconnected.
3. Class 1 CTs should be used. In case of DMG110 and VLN>300V, class 2 CTs must be installed.