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Brand: Huawei
Type:
Solar On Grid String Inverter
Models: SUN2000-25KTL,30KTL,33KTL, 36KTL, 40KTL,55KTL, 60KTL
CONNECTION DIAGRAM
Locate communication terminals (RS485) as shown in the picture below. There are two connection terminals on the configuration
circuit board: RS485IN and RS485OUT (used for Daisy Chain connections)
Connection steps
Please unscrew the RS485 terminal as shown in A part of Figure H1.
•
Please make the connections from the Terminal Block to TrackSo IoT Gateway
•
as mentioned in Table – HT1.
•
Provide 12V external supply to TrackSo IoT Gateway via 12V, 2A DC adaptor
provided in the package
TRACKSO INSTALLATION GUIDE FOR HUAWEI
Following Connection Diagram is valid for
HUAWEI SUN2000-33KTL, 36KTL, 40KTL,55KTL, 60KTL
Figure H1: Huawei SUN2000-33KTL, 36KTL,
40KTL,55KTL, 60KTL String Inverter
communicatio port
Huawei Pin no.
& Assignment
1
RS485A
2
RS485A
3
RS485B
4
RS485B
Table HT1 – Huawei SUN2000-33KTL, 36KTL,
40KTL,55KTL, 60KTL RS485 connections with
TrackSo IoT Gateway
Note: RS485 Out- Used in case of Multiple
Inverter Connection (Daisy chain).
TrackSo Pin No.&
Assignment
3
Data+
RS485 Out
4
Data-
RS485 Out
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Summary of Contents for Huawei SUN2000-25KTL
- Page 1 Brand: Huawei Type: Solar On Grid String Inverter Models: SUN2000-25KTL,30KTL,33KTL, 36KTL, 40KTL,55KTL, 60KTL CONNECTION DIAGRAM Locate communication terminals (RS485) as shown in the picture below. There are two connection terminals on the configuration circuit board: RS485IN and RS485OUT (used for Daisy Chain connections)
- Page 2 Following Connection Diagram is valid for two connection terminals on the configuration circuit board: RS485IN and HUAWEI SUN2000-25KTL,30KTL RS485OUT (used for Daisy Chain connections) Figure H2: Huawei SUN2000-25KTL,30KTL communicatio port & Connections Connection steps Huawei Pin no. & TrackSo Pin No.&...
- Page 3 If you connect multiple inverters via RS485, set the same baud rate on each inverter. Set Protocol Modbus RTU protocol is to be selected for proper communication setup between Huawei and TrackSo IoT Gateway Set communication Address The address/ID is used to identify the inverter in a RS485 connection •...
- Page 4 Communication Card Settings Single Inverter Terminal Resistor-off Multiple Inverters If multiple SUN2000s are used, connect all the SUN2000s in daisy chain mode over an RS485 communications cable. Pin 2 & 4 of Inv-1 is connected to Pin 1 & 3 of next inverter in Daisy Chain. When two or more inverters are in parallel communication, the terminal resistor should be switched on or else, it may cause communication interruption.
- Page 5 TRACKSO WORKING 1. Insure correct connections as detailed in the installation guide. 2. Insert the SIM card. 3. Switch on the power to the TrackSo device. (Minimum 12V/1A input is required) 4. Power LED (Red) of TrackSo IoT gateway glows and stays ON. NOTE: TrackSo IoT Gateway will only be able to send data if the GPRS network is available at the installed location.
- Page 6 5. To check the exact network status send the following message to mobile number of the device SMS Command= *2222#<Stat.gsm> IMEI IMEI No. of the data logger (Device Key) Network SIGN Signal Strength out of 31 GPRS CONT- connected , NC- not connected Connected to TrackSo Server or not CONT- connected, NC- not connected no.
- Page 7 9. If the state remains Not receiveing for more than 10 minutes, click on your email ID at the top right of the screen and click on ‘Event Ingestion Logs’ in the dropdown. 10. Check if there is some log generated at the time of installation of the TrackSo IoT Gateway device. If NO, please restart the device and try the same flow again.