KStar KSG-30K User Manual

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
DLOG
GSM
Powe
Net
wor
St
at
RF
Syn
>
^
O
K
Input
Suppl
Reverse
Supply

KStar KSG-30K Specifications

General

Brand	KStar
Model	KSG-30K
Category	Inverter
Language	English

Summary

KSTAR Inverter Connection Diagram

Holmium Dlog Connection Steps

KSTAR Chip Connection with Holmium Dlog

Details Kstar chip connections to Holmium Dlog via pin assignments.

Multiple Inverter Daisy Chain

Daisy Chain Connection Logic

Explains how pins 2 & 4 of one inverter connect to pins 1 & 3 of the next.

Holmium Logger Configuration

Default Holmium Logger Configuration

Inverter ID, Baud Rate, Data Bits, Stop Bit, and Parity settings.

KSTAR Inverter Configuration

Setting Inverter Password

Accessing the setup interface with the default password '00000'.

Setting the Baud Rate

Configuring the inverter's baud rate to match the logger.

Setting the Inverter ID

Assigning unique IDs for each inverter in an RS485 connection.

Setting Date and Time of Inverter

Ensuring correct date and time for precise statistics.

Setting Communication Protocol

Selecting the communication protocol, KSTAR or MODBUS.

Holmium Logger Working and Status

Holmium Logger Connection Diagram

Diagram showing DLOG connection to Inverter MODBUS Port.

Understanding LED Status

Details on Input supply LED and GSM LED status indicators.