SOLARFOCUS Solar

Installation

1. 1Connect the ModbusCloud gateway (MCG or MLP series) to the same IP network as the SOLARFOCUS ecoManager-touch controller.
2. 2Activate Modbus TCP on the ecoManager-touch controller by following the SOLARFOCUS activation procedure, or contact your SOLARFOCUS partner for assistance.
3. 3Note the IP address and Modbus TCP port of the ecoManager-touch and enter them in the ModbusCloud gateway configuration.
4. 4Import the SOLARFOCUS Solar template from the ModbusCloud template library into your project.
5. 5Verify that live values for collector temperature and current power appear on the ModbusCloud dashboard before completing the installation.

Things to watch for

01

Why do HM yield and daily yield show incorrect values?

These registers (2106 and 2108) are int32 values spanning two consecutive registers each. Make sure your configuration reads both registers as a 32-bit integer. If only one register is read, the value will be incorrect.

02

How do I activate Modbus TCP on the ecoManager-touch?

Modbus activation is done within the ecoManager-touch settings. SOLARFOCUS documentation for this procedure is available through their partner download area. Contact your SOLARFOCUS partner or branch if you need assistance.

03

What units are used for the register values?

Temperature values are in degrees Celsius. Current power is in kW. HM flow is in liters. HM yield and daily yield are in Wh. All values use int16 or uint16 encoding except the two yield registers, which are int32.

04

The gateway connects but all values read zero. What should I check?

Confirm that Modbus TCP is enabled and active on the ecoManager-touch. Verify the correct IP address and port. Also check that the solar system is operational, as some registers may legitimately read zero when the collector pump is off.

Registers (12)

12 read / 0 write

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