11.4
DTSU666-CT, CHINT (Three-phase)
Energy Meter Wiring
Q.VOLT
Load
Grid
(O -grid)
RS485_NEG RS485_POS
1
/
3
1
Q.HOME CORE CB
2
5
8 10 1
L1
L2
L3
N
32
Energy Meter
Grid (Mains)
N
L1
3
2 4
/
Utility Meter
Main CB
6
9
10
2
5
8
P1
CT
P2
24 25
1
4
7
2
Critical Load CB
P2
CT direction
Load
3
4
6
7
9
S1
(Optional) Secondary Energy Meter
L2
L3
3
6
9
10
2
5
8
P1
CT
P2
P1
CT
P2
24 25
1
4
7
4
CT for L1
CT for L2
S2
S1 3
S1 6
S2 1
S2 4
P1
Grid
PV INV
N
L1
L2 L3
P1
CT
P2
P1
CT
P2
P1
CT
P2
3
PV CB
Load CB
L3
Main Load
L2
L1
N
Critical Load
N
CT for L3
S1 9
S2 7