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Pic 7.12 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
limiter1 limiter2
RS485-1 RS485-2
Pic 7.13 Connec�on diagram of Eastron meter
Solar Panel array
Inverter
meter
AC Breaker
Grid
RS485 Communication
Family load
N L3 L2 L1 LA NA
S2 S1 S2 S
1 S2 S1
GN
D B A
CT2
CT1
CT3
White line
black line
White line
black line
White line
black line
L1 L2 L3 N
N L3 L2 L1
VCC_5V
485_B
485_A
485_A
485_B
GND
GND
RS 485
Male connector
RS 485
Female
connector
1
2
3
4
1 2 3 4 5 6 7 8
9 10 1
1
12 13 14 15
16 17 18
19 20
P
M
E
U/I
ESC
Eastron
Note: the arrow direction towards
the inverter