Pic 7.10 Eastron meter
Eastron SDM630MCT
1 2 3 4
5 6
L1
L2
L3
N
P1
P2
S1
S2
P2
P1
S1
S2
P1
P2
S1
S2
3 P
H
A
S
E 4 W
IR
E
15 16 17 18 19 20
Grid voltage
sampling
Auxiliary
power supply
Current inputs
RS 485
RS 485 A RS 485 B
14 13 12
GND
1 2 3 4 5 6 7 8
9 1 0 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0
P
M
E
U/I
ESC
Eastron
L1
L2
L3
N
L1
L2
L3
N
L1
L2
L3
N
Solar Panel array
Solar Panel array
Solar Panel array
L1
L2
L3
N
load
Master(Mst)
Slave1(Slv1)
Slave2(Slv2)
AC Breaker
AC Breaker
AC Breaker
N L3 L2 L1 L
A N
A
S2 S1 S
2 S1 S
2 S1
GN
D B A
1 2 3
4 5 6 7 8
9 10 1
1 12
13 14 15 16 17 18
1
9 20
P
M
E
U/
I
ESC
Eastron
CT1
Note: the arrow direction towards
the inverter
CT2
CT3
Grid meter
White line
black line
White line
black line
White line
black line
1
2
3
4
Master(Mst)
RS485
1
2
3
4
Slave1(Slv1)
RS485
1
2
3
4
Slave2(Slv2)
RS485
485_B
485_A
GND
485_B
(as short as po
ssible)
485_A
(as short as po
ssible)
GND
(as short as po
ssible)
485_B
(as short as po
ssible)
485_A
(as short as po
ssible)
GND
(as short as po
ssible)
Pic 7.11 Connec�on diagram(Three-phase electricity )
Grid
L1 L2 L3 N
AC Breaker
VCC_5V
485_B
485_A
GND
RS 485
Female connector
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