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Summary of Contents for SMA Data Manager L
- Page 1 Technical Information SMA Modbus® Interface ennexOS ENGLISH SMAModbus-ennexOS-TI-en-10 | Version 1.0...
- Page 2 It is the user’s responsibility to determine whether the downloaded content is up to date and to comply with it. SMA Solar Technology AG shall not be held liable for any damage as well as any assumption of consequential costs for customer systems by SMA Solar Technology AG that may result from the user’s...
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Page 3: Table Of Contents
Register Address, Register Width and Data Block..................3.4.3 Data Transmission ............................3.4.4 Reading and Writing of Data......................... 3.4.5 SMA Data Types and NaN Values ....................... 10 3.4.6 SMA Data Formats ............................10 3.4.7 SMA Firmware Data Formats......................... 11 Modbus Ports ..............................11 Data Processing and Time Behavior....................... -
Page 4: Information On This Document
This document does not contain any information on the Modbus registers provided by SMA products. Furthermore, no information on the firmware version to be installed on the respective SMA product is included. Information on firmware versions and device-specific Modbus registers of SMA products can be found on our product pages or Modbus page at www.SMA-Solar.com. -
Page 5: Symbols In The Document
Technical Information Device-specific overview of all parameters and measured values and their setting options Information about the SMA Modbus registers "SMA GRID GUARD 10.0 - Grid Management Services via Inverter and System Technical Information Controller" Modbus Application Protocol Specification Modbus specification under https://modbus.org/specs.php... -
Page 6: Safety
Alterations to the SMA products, 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. - Page 7 NOTICE Manipulation of system data in networks You can connect the supported SMA products to the Internet. When connected to the Internet, there is a risk that unauthorized users can access and manipulate the data of your system. • Set up a firewall.
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Page 8: Product Overview
The Modbus specification does not prescribe what data is within which data area. The data areas must be defined device-specifically in Modbus profiles. With knowledge of the device-specific Modbus profile, a Modbus client (e.g. a SCADA system) can access the data of a Modbus server (e.g. SMA product with Modbus interface). -
Page 9: Reading And Writing Of Data
Reading and Writing of Data The Modbus interface can be used via the protocol Modbus TCP. Using Modbus TCP enables read and write access to the Modbus register. SMA products with Modbus interface use the Modbus TCP as standard. Access type... -
Page 10: Sma Data Types And Nan Values
The following SMA data formats describe how SMA data is to be interpreted. The data formats are used, for example, for the display of data or for its further processing. The SMA data formats are listed in the Format column of the assignment tables. -
Page 11: Sma Firmware Data Formats
3 Product Overview SMA Solar Technology AG Format Explanation Outline Purchase Agreement Revision number of the form 2.3.4.5. TEMP Temperature values are stored in special Modbus registers in degrees Celsius (°C), in degrees Fahrenheit (°F), or in Kelvin K. The values are commercially rounded, with one decimal place. -
Page 12: Data Processing And Time Behavior
• Note the explanation of the symbols (see Technical Information "Parameters and Measured Values"). Processing time of setpoints The signal runtime of the SMA product with Modbus interface is usually 150 ms. The signal runtime is the time required by the SMA product to process incoming Modbus setpoints. -
Page 13: Number Codes Of Time Zones
Number codes of time zones The following table contains the most important time zones and their number codes in the SMA Modbus profile. If the location is known, you can determine the numerical key (code) and the time zone. In addition, take account of local regulations for summer/winter time. - Page 14 3 Product Overview SMA Solar Technology AG City/Country Code Time zone Bangkok, Hanoi, Jakarta 9566 UTC+07:00 Beirut 9546 UTC+02:00 Belgrade, Bratislava, Budapest, Ljubljana, Prague 9517 UTC+01:00 Bogotá, Lima, Quito 9563 UTC-05:00 Brasilia 9527 UTC-03:00 Brisbane 9525 UTC+10:00 Brussels, Copenhagen, Madrid, Paris...
- Page 15 3 Product Overview SMA Solar Technology AG City/Country Code Time zone International Date Line (West) 9523 UTC-12:00 Irkutsk 9555 UTC+08:00 Islamabad, Karachi 9579 UTC+05:00 Yakutsk 9581 UTC+09:00 Yekaterinburg 9530 UTC+05:00 Jerusalem 9541 UTC+02:00 Kabul 9500 UTC+04:30 Cairo 9529 UTC+02:00 Cape Verde Islands...
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Page 16: Frequently Used Number Codes
The event numbers of the SMA products are not decrypted with the number codes in this document. The event numbers of the SMA products are device-specific and cannot be decrypted with the number codes in this document. To decrypt the event numbers of low or medium-power inverters, you require additional information such as operating parameters and measured values (see Technical Information with device-specific overview of all parameters and measured values and their setting options "Measured Values and Parameters"... - Page 17 3 Product Overview SMA Solar Technology AG Code Explanation Code Explanation Instantaneous value 1455 Emergency stop 1466 Waiting 1467 Starting 1468 MPP search Operation 1469 Shutdown Open 1470 Event message Contact the manufacturer 1471 Warning/error e-mail OK Contact the installer...
- Page 18 3 Product Overview SMA Solar Technology AG Code Explanation Code Explanation 1392 Errors 2069 Status digital inlet: DI4 1393 Wait for PV voltage 4405 Maximum active power WMax 1394 Wait for valid AC grid 4406 Maximum reactive power VArMax 1395...
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Page 19: Configuration
In order to be able to use Modbus registers for grid management services, the grid management service must be configured on the SMA System Manager. In connection with an energy meter, an SMA System Manager takes over closed-loop control at the point of interconnection and can control or regulate subordinate inverters. The System Manager also takes over system monitoring and communication to the Sunny Portal powered by ennexOS. -
Page 20: Contact
5 Contact SMA Solar Technology AG 5 Contact You can find your country's contact information at: https://go.sma.de/service SMAModbus-ennexOS-TI-en-10 Technical Information... - Page 22 www.SMA-Solar.com...
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