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Kostal EMS Module

Introduction

The Kostal EMS Module allows energy generation (solar) to be fetched via ModBus TCP, which is a available with all modern Kostal inverters.

The module supports fetching generation and consumption values directly via ModBus TCP protocol.

Configuration

The following table shows the available configuration parameters for the SolarEdge EMS Module:

Parameter Value
enabled required Boolean value, true or false. Determines whether we will query values via ModBus TCP
serverIP required The IP address of the Kostal inverter in the same LAN (usally something link 192.168.1.x).
modbusPort required The port of the ModBus server in the Kostal inverter. The default value (1502) will work in most cases.
unitID required The unit ID of the Kostal inverter in the ModBus. Default value is 71 which should work in most cases.

Please note, if any of the required parameters for the Kostal EMS module are not specified in the module configuration, the module will not work and unload at start time!

JSON Configuration Example

"Kostal": {
  "enabled": true,
  "serverIP": "192.168.1.100",
  "modbusPort": 1502,
  "unitID": 71
}

Contact

If you have problems with this module, I can provide limited support via hopfi2k@me.com