SMA DM-485CB-10 RS485 Communication Module

SMA RS485 Communication Module

Model: DM-485CB-10

Professional-grade communication interface designed for SMA Sunny Boy inverters. This module enables robust, wired RS485 data transmission for comprehensive solar system monitoring and integration with SMA Data Loggers.

Photo-Verified Product Details

Manufacturer SMA Solar Technology
Part Number DM-485CB-10
Module Type 485i Modul für SB5G
Condition New in Original Packaging

Key Features & Benefits

Extended Range Communication

Supports stable data transmission over distances up to 1200 meters, ideal for large residential or commercial sites.

High-Speed Data Transfer

Configurable baud rates from 1200 to 19200 baud ensure rapid updates for real-time monitoring software.

System Protection

Integrated galvanic isolation prevents electrical interference and protects the inverter's sensitive electronics.

OEM Compatibility

Genuine SMA component ensures seamless firmware integration and reliable performance without compatibility errors.

What This Is

An internal expansion card that adds RS485 networking capabilities to SMA Sunny Boy solar inverters that do not have built-in communication ports.

Who Uses This

Solar technicians and system owners requiring wired, interference-free monitoring of PV performance via SMA Sunny WebBox or third-party loggers.

When to Deploy

Essential when installing multiple inverters in a daisy-chain configuration or when wireless communication is unreliable due to distance or obstacles.

Where It Fits

Installs directly into the dedicated communication slot inside the inverter housing. Compatible with SB 3000TL, 4000TL, and 5000TL-20 series.

Technical Specifications

Interface RS485 (4-wire)
Protocol Support SMA Data1, SMA P-Net
Max Cable Length 1200 Meters
Connection Method 4-pin plug-in terminal block
Operating Temperature -25°C to +85°C
Compliance CE, RoHS

Technical Documentation Guide

For installation instructions and wiring diagrams, please refer to the following resources:

  • Search for "SMA DM-485CB-10 installation manual" for step-by-step mounting guides.
  • Consult the "SMA RS485 Cabling Plan" for proper termination and shielding requirements.
  • Reference "SMA Sunny Boy 5000TL-20 communication manual" for inverter-specific configuration.
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