SMA Tripower Hybrid

Installation

1. 1Enable Modbus TCP on the SMA Tripower Hybrid inverter via the local web interface or SMA Sunny Portal, and note the IP address assigned to the inverter.
2. 2Connect the ModbusCloud gateway (MCG or MLP series) to the same local network as the inverter using an Ethernet cable.
3. 3In the ModbusCloud platform, add a new Modbus TCP device and enter the inverter IP address along with the default Modbus TCP port (502).
4. 4Import the SMA Tripower Hybrid template from the ModbusCloud template library and assign it to the newly created device.
5. 5Verify that register values appear correctly on the dashboard, paying attention to correct uint32 and int32 data types for battery, PV, and grid registers.
6. 6If multiple inverters are installed, repeat the device setup for each unit using its unique IP address.

Things to watch for

01

Modbus TCP connection fails. What should I check?

Confirm that Modbus TCP is enabled in the inverter settings. Check that the gateway and inverter are on the same subnet. Verify the correct IP address and that port 502 is not blocked by a firewall or router.

02

Grid import and export values seem incorrect or negative. Why?

Grid import (register 30865) and grid export (register 30867) use signed int32 data types. Ensure your register configuration is set to int32, not uint32. Swapping the data type will produce incorrect large values.

03

PV and battery power values show zero even though the system is running. What is wrong?

These registers use uint32 (two consecutive 16-bit registers). Verify that the register byte order matches the SMA default (big-endian, high word first). Also check that the Modbus unit ID is correct, typically 3 for SMA inverters.

04

Does this template work with older SMA Tripower models outside the SE-40 range?

This template is validated for the STP5.0-3SE-40 through STP10.0-3SE-40 models. Older Tripower models may use different register maps. Check the SMA Modbus documentation for your specific model before using this template.

Registers (7)

7 read / 0 write

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