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SMA Solar Technology AG
Format
Outline Purchase Agreement
TEMP
TM
UTF8
DT
3.4.7
SMA Firmware Data Formats
Four values are extracted from the delivered double word (DWORD) within the corresponding Modbus register. The
values "Major" and "Minor" are contained BCD-coded in bytes 1 and 2. Byte 3 contains the "Build" value (not BCD-
coded). Byte 4 contains the "Release Type" value according to the following table:
Release type
0
1
2
3
4
5
> 5
Example:
Product firmware version:
Values from double word (DWORD):
3.5
Modbus Ports
The following table shows the default setting of the supported network protocols:
Network protocol
TCP
Using free ports
Only use free ports when using another port than 502. The following range is generally available: 49152 to
65535.
You can find more information on occupied ports in the database "Service Name and Transport Protocol Port
Number Registry" at http://www.iana.org/assignments/service-names-port-numbers/service-names-port-
numbers.xml.
Technical Information
Explanation
Revision number of the form 2.3.4.5.
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.
UTC time, in seconds
Data in UTF8 format.
Date/time (Transmission in seconds since 1970-01-01)
Release-type coding
N
E
A
B
R
S
As number
1.05.10.R
Major: 1, Minor: 05, Build: 10, Release type: 4 (Hex: 0x1 0x5 0xA
0x4)
Modbus port
502
Explanation
No revision number
Experimental release
Alpha release
Beta release
Release
Special release
No special interpretation
SMAModbus-ennexOS-TI-en-10
3 Product Overview
11
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