Configuring Modbus Interfaces

Qualified person

Each device that is to communicate with the Sunny Home Manager via a Modbus communication protocol must be uniquely addressed. Note that you can integrate a maximum of 4 Modbus devices into your system.

Procedure:

  1. Go to [Communication options] via the side menu Configuration.
  2. Go to the section Modbus devices.
  3. If no Modbus device is installed, click the field [Initial configuration of interface].
  4. When you add, change, or delete a Modbus device, click the edit pencil beside Modbus devices.
  5. A new window opens in which all the necessary settings can be made.
  6. Add and configure a new Modbus device via + Add configuration.
  7. In the Modbus Profile column, select the required predefined Modbus device from the drop-down menu. If a Moxa device is used with an SG-ready device, for example, set up a Modbus configuration with profile MOXA1214. If a ripple control receiver is connected to the Moxa device for external limitation of the active power feed-in, use the profile MOXA1214_PLimit.
  8. Enter the data of the selected device in the fields IP address, Port and Unit ID. If the Modbus device is a Moxa device, it is recommended to set the Moxa device in the router with an IP address/MAC address binding or to subsequently set to a fixed IP address from the free range of the router not used for DHCP. Port (default 502) and Unit ID (default 1 or 2) do not need to be changed. Existing entries can be changed by overwriting. To delete a configuration, click on the recycle bin symbol in the corresponding line.
  9. Confirm with [Save].
    Configuring the display of the current status
    Configuring the External Current Transformer