DDSU 666 (single-phase)

Connection via Battery System

The DDSU meter can be used as the main meter on the Manager, and the connection is established via SOLARWATT Battery vision and Inverter vision.

Connect devices: SOLARWATT Battery vision & Inverter vision.

Direct connection via RS485

Interface: RS485

• Ensure the absence of voltage and verify it.
• Install the DDSU meter on the top-hat rail in the switch cabinet. Pay attention to the installation orientation. Follow the meter’s installation instructions.
• Connect the wires of a data cable (min. CAT 5) to the RS485 terminals on the meter (see the table below for pin assignments).
• Connect the wires of the data cable to the RS485 terminals on the Manager (see the table below for pin assignments).
• Restore the power supply.

DDSU 666 via Battery System

When installing the DDSU 666 via Battery vision & Inverter vision, the device is added by selecting the Vision driver.

Connect Devices: Battery vision & Inverter vision

DDSU 666 via RS485

• Start SmartSetup.
• In the " Select or Search for Devices " dropdown menu, select the Chint DDSU666 driver

1. Manager rail:
   Select the occupied RS485 interface.

1. Manager flex:
   Select RS485.

• If necessary, add additional devices to the search.
• Once the search list is complete, click " Search for and Install Devices."

Correctly installed devices appear in the device list with the message: " Device is installed." The list also displays the current generation or consumption data.

• If necessary, connect additional devices.
• Continue with SmartSetup.