Pic 7.8 Eastron meter
Eastron SDM630-Modbus V2
RS 485
RS 485 B RS 485 A
B A G
(5,6,7,8)
(1,2,3,4)
1 2 3 4
5 6 7 8
GND
Eastron
5 6 7 8
Pic 7.9 Eastron Connec�on diagram(The pass-through table)
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
Grid me
ter
5 6 7 8
N
L3
L2
L1
Master(Mst)
Slave1(Slv1)
Slave2(Slv2)
Grid
L1 L2 L3 N
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
AC Breaker
AC Breaker
AC Breaker
GND
485_B
(as short as possible)
485_A
(as short as possible)
GND
(as short as possible)
485_B
(as short as possible)
485_A
(as short as possible)
GND
(as short as possible)
AC Breaker
VCC_5V
485_B
485_A
GND
RS 485
Female connector
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