Sofar CH1000 - Page 31

1 4 7
10
13 14 16 17 19 21 24 25
3 6 9
10
2 32 5 35 8 38 11 12
Inverter
L1
L2
L3
N
.
.
.
Grid
R
S
T
N
Other electrical device and loads
L1
L2
L3
N
10
19 21 24 25
P1
P2
P1
P
2
P1
P
2
RS485-A
RS485-B
Inverter
Cable type One end of cable Other end of cable
Device Port Port Device
Shielded twis-
ted pair
CH1000
RS485A 24
Meter
RS485B 25
AC cable Meter
1 P1 or S1
CT1
3 P2 or S2
4 P1 or S1
CT2
6 P2 or S2
7 P1 or S1
CT3
9 P2 or S2
2 R
Grid
5 S
8 T
10 N
1. The currently supported meter models are Chin meters (DTSU666,
DDSU666). Among them, DTSU666 is used with CT and requires CT parameter
configuration in SOFAR Cloud/APP/Local WEB.
2. The meter needs to be installed in the distribution cabinet or placed in the
box, not exposed.
26/92 SOFAR CH1000
Cable Connections