PIKO CI - load/generation measurement - connection via RS485

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For currents above 63A, transformers must be used for measurement on the KOSTAL Smart Energy Meter. Further information on this can be found in the installation instructions for the KOSTAL Smart Energy Meter and at Menu - device settings.

Install the KOSTAL Smart Energy Meter at the grid connection point in the house grid as shown.

Set up RS485 communication cable between inverter and KOSTAL Smart Energy Meter and connect.

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In the KOSTAL CI app for the PIKO CI inverter, which you will find in your app store, the terminating resistor for the last inverter must be activated via the software. The installation position and use of the KOSTAL Smart Energy Meter must also be set in the inverter.

For more information about settings in the inverter, refer to the inverter's operating manual.

Establish LAN connection from KOSTAL Smart Energy Meter and inverter to the Internet. As an option, the LAN connection from the inverter can also be connected directly to the KOSTAL Smart Energy Meter (switch function).

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For details, see the inverter's operating manual and the KOSTAL Smart Energy Meter's installation instructions.

In this variant, the KOSTAL Smart Energy Meter runs as a slave and transmits data to the inverter.

In the KOSTAL Smart Energy Meter, the PIKO CI still has to be selected for the RS485 interface (A). Do this by performing the following steps:

  1. Call up online interface of KOSTAL Smart Energy Meter Calling up user interface
  2. Call up Modbus configuration under Modbus settings.
  3. Under Modbus RTU, select the PIKO CI from drop-down list for RS485 A interface
    Press the Savebutton to adopt the settings.

Parameter

Value

Interface

RS485 A

Mode

Slave

Presetting

PIKO CI

Slave address

1

Baud rate

19200

Data bits

8

Parity

None

Stop bit

2

 

Setting up feed-in limitation

To set up a feed-in limitation (power limitation) at the grid connection point for the public grid, this function has to be set up in the PIKO CI. The KOSTAL Smart Energy Meter cannot control the PIKO CI.

If several PIKO CI are used, the feed-in limitation (power limitation) is configured in the master inverter.