Logger installation guide for KSTAR Inverter
Make:
KSTAR
Type
Solar on Grid string inverter
Available models:
KSG-30K,KSG-36K,KSG-50K,KSG-60K
CONNECTION DAIGRAM
:
The communication terminals (RS485) are located at the bottom of the inverter. And there are
two connection terminals on the configuration circuit board: ++ - - terminal blocks.
Figure 1: KSTAR string inverter communication port and connections
Connection Steps
➢
Please unscrew the RS485 terminal as shown in A part of
Figure 1
.
➢
Please make the connections from the Terminal Block to Holmium Dlog as mentioned in Table
1
Connect the cables from Holmium Dlog to communication port of inverter as shown below
Figure 2: Connection of Dlog with KSTAR RS485 chip
Kstar Pin No.
Kstar Assignment
Holmium
Pin No.
Holmium
Assignment
1
(A) R/T+
RS485 IN
3
D+
2
(A) R/T+
RS485 OUT
3
(B) R/T-
RS485 IN
4
D-
4
(B) R/T-
RS485 OUT
Table 1: Kstar chip connection with Holmium Dlog
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