All rights reserved
Shenzhen SOFARSOLAR Co ., Ltd.
C
Document Version 2.0(2016.03.29)
35
All rights reserved
Shenzhen SOFARSOLAR Co ., Ltd.
C
Document Version 2.0(2016.03.29)
36
User manual
User manual
Electrical Connections
Electrical Connections
Sunny Horse Series
(
10K~20KTL)
Sunny Horse Series
(
10K~20KTL)
The length of the RS485 communication cable should be less than 1000 m.
The length of the Wifi communication cable should be less than 100 m.
If multiple Sunny Horse Series are connected to the monitoring device over an RS485/RS232 converter, a
maximum of 31 inverter can be connected in a daisy chain.
If multiple Sunny Horse Series are connected to a S-WE01S, a maximum of 31 Sunny Horse Series can be
connected in three daisy chains.
The Sunny Horse Series has a multifunctional relay , its output can be configured. The
connecting terminal in a communication board, as shown in Figure4-8. Connecting CNT10
view as shown as follow.
It can be connected to the normally open mode (i.e. connecting NO contact and COM
contact),can also be configured as a normally closed mode (i.e. connecting NC contact and
COM contact).
The Relay has 4 different control function, the details please see the LCD display interface
settings on the set relay function description.
CNT10
NC
COM
NO
No
：
normally open contact
COM
：
common contact
Nc
：
normally closed contact
Note
Connecting Relay Cables
Step 1
To prepare the appropriate cable. The front of a wire stripping to will be in accordance
with the following picture size, and then through the PG waterproof joint.
20(PE)
8
20
8
Step 2
Insert sealing plug into housing, and tighten the screw nut.
Procedure
Figure 4 19 Relay Connection (1)
-
Figure Wire strip
Figure Through wire
End
4.5 Connecting DC Input Power Cables
Connect the Sunny Horse Series
to PV arrays over DC input power cables.
Input mode selection
：
Sunny Horse Series has 2 MPPT, The two MPPT can run
independently, but also can be operated in parallel, According to the system design, the user
can choose the mode of MPPT operation.
Figure 4 20 Relay Connection (2)
-
Step 3
The cable stripped to the corresponding stem node hole.
Figure 4 21
Connection (3)
-
Relay
CNT10
