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2 Safety
The language-neutral section describes the steps necessary for installing and commissioning the
product in graphic form. The language-neutral section follows the language-specific section and is
identified by the gray page margin. Perform the actions illustrated graphically in the language-
neutral section in the specified order and observe all information.
The latest version of this document and the comprehensive manual for installation, commissioning,
configuration and decommissioning are to be found in PDF format at www.SMA-Solar.com.
1.3
Target Group
The tasks described in this document must only be performed by qualified persons. Qualified
persons must have the following skills:
• Knowledge of how an inverter works and is operated
• Training in how to deal with the dangers and risks associated with installing and using
electrical devices and installations
• Training in the installation and commissioning of electrical devices and installations
• Knowledge of the applicable standards and directives
• Knowledge of and compliance with this document and all safety information
2 Safety
2.1
Intended Use
The SMA I/O Module is a module with 6 digital inputs and 1 digital output operating as a
multifunction relay. The SMA I/O Module enables the implementation of grid management services
for up to 12 SMA inverters in a network with the same system password. The SMA I/O Module
must be installed in one SMA inverter. For the implementation of grid management services, the
SMA I/O Module receives the specifications of the grid operator via a ripple control receiver. The
SMA I/O Module transmits the specifications of the grid operator to a maximum of 11 further SMA
inverters. The multifunction relay can be configured for various operating modes. The multifunction
relay can, for example, be used for switching fault indicators on and off.
The SMA I/O Module may only be installed in the following SMA inverters:
• STP 50-40 (Sunny Tripower CORE1)
The inverter still complies with the standard after the product has been installed.
Use this product only in accordance with the information provided in the enclosed documentation
and with the locally applicable standards and directives. Any other application may cause
personal injury or property damage.
Alterations to the product, e.g. changes or modifications, are only permitted with the express written
permission of SMA Solar Technology AG. Unauthorized alterations will void guarantee and
warranty claims and in most cases terminate the operating license. SMA Solar Technology AG
shall not be held liable for any damage caused by such changes.
Any use of the product other than that described in the Intended Use section does not qualify as the
intended use.
The enclosed documentation is an integral part of this product. Keep the documentation in a
convenient place for future reference and observe all instructions contained therein.
4
MD-IO-40-IS-xx-10
SMA Solar Technology AG
Quick Reference Guide
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