Contents
1. GENERAL INFORMATION..................................................................................................................................................................... 3
1.1. WARRANTED INFORMATION...................................................................................................................................................... 3
1.2. GENERAL CONDITIONS FOR SAFE USE................................................................................................................................... 3
1.3. CE LABEL...................................................................................................................................................................................... 3
1.4. ENVIRONMENTAL PRESERVATION........................................................................................................................................... 3
1.5. SERVICE AND MAINTENANCE.................................................................................................................................................... 3
1.6. PACK CONTENTS......................................................................................................................................................................... 3
2. PRODUCT INFORMATION.................................................................................................................................................................... 3
2.1. PROPERTIES................................................................................................................................................................................ 3
2.2. DESCRIPTION............................................................................................................................................................................... 4
2.3. SUPPORTED INVERTERS OF MASTERVOLT* COMPANY.......................................................................................................4
2.4. ISOLATION.................................................................................................................................................................................... 5
3. INSTALLATION...................................................................................................................................................................................... 5
3.1. ASSEMBLING................................................................................................................................................................................ 5
3.2. COMPUTER CONNECTION......................................................................................................................................................... 5
3.3. RS485 NETWORK CONNECTION................................................................................................................................................ 6
3.3.1. CONNECTION OF SUNMASTER INVERTER TO RS485(4W) BUS MODBUS-RTU..........................................................6
3.3.2. CONNECTION OF SUNMASTER INVERTER TO RS485(2W) BUS MODBUS-RTU..........................................................7
3.3.3. LINE TERMINATION Rt........................................................................................................................................................ 7
3.4. POWER SUPPLY CONNECTION................................................................................................................................................ 7
4. ACTIVATION.......................................................................................................................................................................................... 7
4.1. DESCRIPTION OF SIGNALLING LEDS........................................................................................................................................ 7
4.2. TROUBLESHOOTING................................................................................................................................................................... 8
5. CONFIGURATION.................................................................................................................................................................................. 8
5.1. OPERATION MODE...................................................................................................................................................................... 8
5.2. CONFIGURATION BY USING ADACONFIG................................................................................................................................ 8
5.3. FACTORY DEFAULT..................................................................................................................................................................... 9
5.4. FIRMWARE UPDATE.................................................................................................................................................................... 9
5.5. EMERGENCY FIRMWARE UPDATE.......................................................................................................................................... 10
6. DATA TRANSMISSION DIAGNOSTICS.............................................................................................................................................. 10
7. OPERATION......................................................................................................................................................................................... 11
8. IMPLEMENTATION OF MODBUS-RTU PROTOCOL.........................................................................................................................11
8.1. TABLE OF MODBUS-RTU ADDRESSES...................................................................................................................................11
8.1.1. REGISTERS ACTUAL VALUE MEASUREMENTS AND CONDITION INVERTER, READOUT BY FUNCTION 04 (3X –
REFERENCES) INPUT REGISTERS............................................................................................................................................ 11
8.1.2. REGISTERS ACTUAL VALUES MEASUREMENTS AND CONDITION INVERTER , READOUT BY FUNCTION 03 (4X –
REFERENCES) HOLDING REGISTERS....................................................................................................................................... 12
8.2. FRAME STRUCTURE OF MODBUS-RTU PROTOCOL.............................................................................................................13
8.3. USED FUNCTIONS OF MODBUS-RTU PROTOCOL.................................................................................................................13
8.3.1. FUNCTION 0x03 / 0x04 - READOUT VALUE MEASUREMENTS AND STATUS FROM INVERTER...............................13
8.3.1.1. READOUT OF CURRENT MEASURED VALUE STORED IN 16-BIT REGISTER [4X / 3X-REFERENCES]...........13
8.3.1.2. READOUT OF CURRENT MEASURED VALUE STORED IN TWO 16-BIT REGISTERS [4X / 3X-REFERENCES]
.................................................................................................................................................................................................. 14
8.3.1.3. READOUT OF SOLAR PANEL VOLTAGE VALUE Usol FROM INVERTER [4X / 3X-REFERENCES]....................16
8.3.1.4. READOUT OF SOLAR PANEL CURRENT VALUE Isol FROM INVERTER [4X / 3X-REFERENCES].....................16
8.3.1.5. READOUT OF FREQUENCY VALUE Fac ALTERNATING VOLTAGE NETWORK, CONNECTED TO INVERTER
[4X / 3X-REFERENCES].......................................................................................................................................................... 16
8.3.1.6. READOUT OF VOLTAGE VALUE Uac ALTERNATING VOLTAGE NETWORK, CONNECTED TO INVERTER [4X /
3X-REFERENCES]................................................................................................................................................................... 16
8.3.1.7. READOUT OF CURRENT VALUE Iac ALTERNATING VOLTAGE NETWORK, CONNECTED TO INVERTER [4X /
3X-REFERENCES]................................................................................................................................................................... 17
8.3.1.8. READOUT OF POWER VALUE Pac ALTERNATING VOLTAGE NETWORK OF INVERTER [4X / 3X-
REFERENCES]........................................................................................................................................................................ 17
8.3.1.9. READOUT OF ENERGY VALUE Eac TRANSFERRED TO ALTERNATING VOLTAGE NETWORK, CONNECTED
TO INVERTER [4X / 3X-REFERENCES]................................................................................................................................. 17
8.3.1.10. READOUT OF VALUE INVERTER TEMPERATURE [4X / 3X-REFERENCES].....................................................18
8.3.1.11. READOUT OF VALUE INVERTER'S RUNNING TIME [4X / 3X-REFERENCES]...................................................18
8.3.1.12. READOUT OF INVERTER'S STATUS [4X / 3X-REFERENCES]............................................................................18
8.4. EXCEPTIONS OF THE MODBUS-RTU PROTOCOL.................................................................................................................19
9. VERSIONS........................................................................................................................................................................................... 19
10. SPECIFICATION................................................................................................................................................................................ 19
2
ADA-4040PC3
