CEL-MAR ADA-1040PC3, User Manual

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Query of register Eac
Byte no Designation Size Value [hex]
00 Inverter address 1 byte 11 [ 11 to F7]
01 Function code 1 byte 03 / 04
02 Registry address Hi 1 byte
00
03 Registry address Lo 1 byte 08
04 Registry number Hi 1 byte 00
05 Registry number Lo 1 byte
02
06 CRC-Lo 1 byte ---
07 CRC-Hi 1 byte ---
Example. Query of AC network energy meter Eac from registry address 40009 / address 30009
11-03-00-08-00-02-CRCLo-CRCHi
11-04-00-08-00-02-CRCLo-CRCHi
Response with register value Eac
Byte no Designation Size Value [hex]
00 Inverter address 1-byte 11 [ 11 to F7]
01 Function code 1-byte
03 / 04
02 Number of data bytes N-byte
04
03 Dane1-Hi 1-byte 00
04 Dane1-Lo 1-byte
00
05 Dane2-Hi 1-byte
0B
06 Dane2-Lo 1-byte 90
07 CRC-Lo 1-byte
---
08 CRC-Hi 1-byte ---
Example. Readout of AC network energy meter Eac from registry address 40009 / address 30009
11-03-04-00-00-0B-90-CRCLo-CRCHi
11-04-04-00-00-0B-90-CRCLo-CRCHi
In respond the value of AC network energy meter Eac is presented as 4-byte with values:
Eac = 0x00000B90 => 2960/100 => 29,60 kWh
Response - in case of error
Byte no Designation Size Value [hex]
00 Inverter address 1-byte
11 [ 11 do F7]
01 Function code 1-byte
83 / 84
02 Error code 1-byte
01 - unknown function
02 - unknown data address
03 - unknown data value
04 - SunMaster inverter not respond or is faulty
03 CRC-Lo 1-byte
04 CRC-Hi 1-byte
8.3.1.3. READOUT OF SOLAR PANEL VOLTAGE VALUE Usol FROM INVERTER [4X / 3X-
REFERENCES]
The measurement value of solar panel voltage, readout from 16-bit register Usol MODBUS-RTU (see p.8.1.) is presented in the
format integer 16-bit with sign (in C/C++ type short int).
Query of solar panel voltage Usol from registry address 40003 / address 30003
11-03-00-02-00-01-CRCLo-CRCHi
11-04-00-02-00-01-CRCLo-CRCHi
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ADA-1040PC3