SAJ HS2 Series - Communication Connections

HS2/AS2 Series
41
42
6.Make sure the DC switch is at OFF position
Figure 5.10
DC switch
7.Connect the positive and negative connectors into positive and negative DC input terminals of the inverter,
a “click” should be heard or felt when the contact cable assembly is seated correctly.
Figure 5.11
Plug in PV connectors
5.4 Communication Connection
Note: 1) The communication cable is one end crimped, this crimped end is for battery side connection. The
other end is for inverter side connection. Customer should crimp the other end of communication
cable by themselves.
2) Confirm that the DC switch is OFF during installation to avoid short circuit caused by wrong operation
during battery wiring.
3) Please use the battery cable in original package.
PORT1
1
NC
2
NC
3
NC
4
NC
5
NC
6
NC
7
NC
8
NC
PORT0
1
NC
2
NC
3
NC
4
NC
5
NC
6
NC
7
NC
8
NC
EMS/METER
1
RS485-A+
2
RS485-B-
3
NC
4
NC
5
NC
6
NC
7
RS485-A+
8
RS485-B-
CT
1
R/CT.I+
2
R/CT.1-
3
S/CT.1+
4
S/CT.I-
5
T/CT.1+
6
T/CT.1-
7
NC
8
NC
Pv Array
PV+
PV-
PV+
-
+
PV-
-
+