Dyness Tower Pro: CAN/RS485 Daisy Chain Installation

This is an essential technical update for all installers working with the new Dyness Tower Pro high-voltage battery systems . The communication cable connection method has been permanently modified to maximize system stability and reliability .

Correctly following this procedure is crucial to prevent communication errors and to ensure the integrity of the BMS (Battery Management System) in complex solar energy installations.

Dyness Tower Pro : Why the Combiner Box is No Longer Allowed for Communication

The change in the Dyness Tower Pro specifications has been made to eliminate common CAN/RS485 data transfer failures.

• Problem with DC Combiner Boxes: DC combiner boxes are designed to bundle power cables (DC connections), not to route sensitive communications signals.

• Impact: Routing communication cables through a combiner box can lead to signal loss, latency, or EMC (electromagnetic compatibility) interference, resulting in an unreliable battery system.

• Daisy Chain Advantage: The direct 'daisy chain' connection guarantees an uninterrupted and clean CAN/RS485 data connection between the Tower Pro modules and the Master BMS unit.

Essential Connection Procedures: Communication vs. DC Power

For a correct and Synergrid-compliant installation of the Dyness Tower Pro (and to maintain the manufacturer's warranty), the separation between data and power connections must be strictly followed.

1. Communication Connections (Data Integrity)

• Mandatory: The CAN/RS485 communications cables must be connected in a direct, daisy chain configuration.

• Prohibition: The use of the DC combiner box for communication is strictly prohibited with the Tower Pro.

• Troubleshooting: If you are currently experiencing a Dyness Tower Pro communication error , immediately check if the connection is running directly between the modules.

2. DC Connections (Power Connections)

• Flexibility: The DC power connections can still be connected in the usual way via a suitable combiner box or directly to a professional busbar .