Interfaces And Functions; Wi-Fi Access Point; Sma Speedwire; Modbus - SMA DATA MANAGER M Operating Manual

SMA Solar Technology AG
System LED
Flashing orange
and green in alter-
nation
Flashing orange
and green in alter-
nation
Flashing orange
and green in alter-
nation
Glowing green
4.6

Interfaces and Functions

4.6.1

Wi-Fi access point

The product is equipped with a Wi-Fi interface as standard. By tapping twice on the product, a Wi-
Fi access point is activated. This point is used to connect the product to a smart terminal (e.g.
smartphone, tablet or laptop). This allows to carry out commissioning and configuration via direct
Wi-Fi connection on site regardless of the wired network.
4.6.2 SMA Speedwire
The product is equipped with SMA Speedwire as standard. SMA Speedwire is a type of
communication based on the Ethernet standard. SMA Speedwire is designed for a data transfer
rate of 100 Mbps and enables optimum communication between Speedwire devices within
systems.
The products supports the encrypted system communication with SMA Speedwire Encrypted
Communication. In order to be able to use the Speedwire encryption in the system, all Speedwire
devices, except for the energy meter (e.g. SMA Energy Meter) must support the function
SMA Speedwire Encrypted Communication.
4.6.3

Modbus

The product is equipped with two Modbus interfaces. One interface can be controlled via Ethernet
(Modbus TCP) and the other interface via RS485 (Modbus RTU).
The Modbus interfaces have the following tasks:
• Remote query of measured values
• Setpoint specifications for system control
The Modbus interfaces differ in their function as:
• Modbus server and
Operating manual
COM LED Explanation
Glowing green Function button has been pressed for between 5 and 10
seconds.
Glowing orange Function button has been pressed for between 10 and 15
seconds.
Glowing red Function button has been pressed for between 15 and 20
seconds.
- Function button has been pressed for longer than 20 sec-
onds.
4 Product overview
EDMM-20-BE-en-10 21