4 Product overview
SMA Solar Technology AG
Operating manual EVC22-3AC-20-BE-en-10 25
Symbol Explanation
Degree of protectionIP54
The product is protected against interior dust deposits and against water
splashing from all angles against the enclosure.
CE marking
The product complies with the requirements of the applicable EU directives.
RoHS labeling
The product complies with the requirements of the applicable EU directives.
RCM (Regulatory Compliance Mark)
The product complies with the requirements of the applicable Australian stan-
dards.
4.5 Interfaces and Functions
4.5.1 User Interface
The product is equipped as standard with an integrated webserver, which provides a user interface
for configuring and monitoring the product.
Once the connection has been established to the smart device, use a device (e.g. smartphone,
tablet or laptop) to connect to the product's user interface using a web browser.
Also see:
• Access rights to the user interface⇒page69
4.5.2 Device Key (DEV KEY)
If you have forgotten the administrator password for the product, you can reset the administrator
account with the device key and assign a new password. The device key can be used to prove the
identity of the product in digital communication. The Device Key is provided on a sheet with a
password label supplied with the product. Keep the device key safe in case you forget the
administrator password.
4.5.3 Digital inputs
The product is equipped with digital inputs as standard.
Digital input DI 1-4 is provided for connecting a ripple control receiver or remote terminal unit for
regulation by the grid operator (e.g. to fulfill EnWG §14a requirements).
Digital input DI 5 is intended for connection of a fast-stop switch (break contact).
Digital input DI 6 is intended for connection of an external grid and PV system protection device
(break contact).
4.5.4 Modbus
The product is equipped with a Modbus interface. The Modbus interface is deactivated by default
and must be configured as needed.
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