elgris HYBRID BASIC - Modbus Server Configuration; Common Model Register Mapping

Version: 7. Oktober 2018 12:40
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8 MODBUS SERVER
The elgris BASIC includes a MODBUS TCP server with parameter mapping according to SunSpec
parameter list 203. By offering an open protocol the implementation can be easily adopted to the
user needs.
The MODBUS uses port 502 by default.
8.1 Register mapping Common Model
The first register address is 40000 and the registers can be read with function 0x03.
Address
Size
Name
Label
Value
Type
R/W
Description
40000
2
ID
Common
1
uint32
R
Value = "SunS" (0x53756e53).
Uniquely identifies this as a
SunSpec MODBUS Map
40002
1
DID
SunSpec_DID
1
uint16
R
Value = 0x0001. Uniquely identifies
this as a SunSpec Common Model
Block
40003
1
L
SunSpec_Length
65
uint16
R
65 = Length of block in 16-bit register
40004
16
Mn
Manufacturer
string
R
"elgris"
40020
16
Md
Model
string
R
"SMART METER"
40036
8
Opt
Options
String
R
Not used, for future compatibility
40044
8
Vr
Version
string
R
"1.10.15"
40052
16
SN
Serial Number
string
R
19000XXXX (SMA serial compliant)