Koyoe KY-EST06KH, User Manual

Page: 45 / 86

45
No. Name Description
1 PV Switch DC Switch for PV input
2 Battery Terminal Connectors for the battery power cables
3 PV Terminal Positive and negative DC input connectors
4 WIFI Terminal Connector for 4G/WIFI module
5 COM Terminal Connector for Smart Energy
Meter,RS485,BMS/CAN,DRM/DI and DO
6 EPS Terminal AC terminal reserved for Backup loads
7 Breather Value Ensure the same air pressure inside and outside the
inverter
8 GRID Terminal AC terminal for connection to the utility grid
9 LCD Label LCD and Keys for inverter
10 PE Terminal Connect to PE for addition grounding
* The image shown here is for reference only. The actual product received may differ.
The COM terminals of the inverter are used to achieve a specific function, and the schematic diagram
of their interface is shown below
：
No. Name Description
1 Meter-485-B RS485-B for Smart Energy Meter
2 Meter-485-A RS485-A for Smart Energy Meter
3 ARC-485-B Reserved port
4 ARC-485-A Reserved port
5 BMS-CAN-H Communication with Li-ion battery, CAN-H bus
6 BMS-CAN-L Communication with Li-ion battery, CAN-L bus
7 KO- Reserved port
8 KO+ Reserved port
9 PARA-485-B Reserved port
10 PARA-485-A Reserved port
11 KIN+ Reserved port
12 KIN- Reserved port
13 GND GND for external communication
14 GND GND for external communication
15 NTC- Connect to external NTC for lead-acid battery
16 NTC+