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. NMEA0183 PROTOCOL COMMANDS IMPLEMENTATION..........................................................................................................4
2.4. ISOLATION..................................................................................................................................................................................... 5
3. INSTALLATION........................................................................................................................................................................................ 5
3.1. ASSEMBLING................................................................................................................................................................................. 5
3.2. COMPUTER CONNECTION........................................................................................................................................................... 5
3.3. RS485 NETWORK CONNECTION................................................................................................................................................. 5
3.3.1. NMEA0183 DEVICE CONNECTION TO RS485(4W) MODBUS-RTU BUS..........................................................................6
3.3.2. NMEA0183 DEVICE CONNECTION TO RS485(2W) MODBUS-RTU BUS..........................................................................6
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.................................................................................................................................................................... 7
5. CONFIGURATION................................................................................................................................................................................... 7
5.1. OPERATION MODE........................................................................................................................................................................ 7
5.2. CONFIGURATION BY USING ADACONFIG.................................................................................................................................. 7
5.3. FACTORY DEFAULT....................................................................................................................................................................... 9
5.4. FIRMWARE UPDATE..................................................................................................................................................................... 9
5.5. EMERGENCY FIRMWARE UPDATE............................................................................................................................................. 9
6. DATA TRANSMISSION DIAGNOSTICS.................................................................................................................................................. 9
7. OPERATION.......................................................................................................................................................................................... 10
8. IMPLEMENTATION OF MODBUS-RTU PROTOCOL...........................................................................................................................10
8.1. MODBUS REGISTERS TABLE OF STANDARD NMEA0183 SENTENCE..................................................................................10
8.1.1. CONVERTER MODBUS REGISTERS TABLE IN - READOUT BY FUNCTION 04 (3X – REFERENCES) INPUT
REGISTERS................................................................................................................................................................................... 10
8.1.2. CONVERTER MODBUS REGISTERS TABLE IN - READOUT BY FUNCTION 03 (4X – REFERENCES) HOLDING
REGISTERS................................................................................................................................................................................... 14
8.2. MODBUS REGISTERS TABLE OF PROPRIETARY NMEA0183 SENTENCE MANUFACTURERS...........................................17
8.2.1. CONVERTER MODBUS REGISTERS TABLE IN - READOUT BY FUNCTION 04 (3X – REFERENCES) INPUT
REGISTERS................................................................................................................................................................................... 17
8.2.2. CONVERTER MODBUS REGISTERS TABLE IN - READOUT BY FUNCTION 03 (4X – REFERENCES) HOLDING
REGISTERS................................................................................................................................................................................... 18
8.3. FRAME STRUCTURE OF MODBUS-RTU PROTOCOL..............................................................................................................18
8.4. USED FUNCTIONS OF MODBUS-RTU PROTOCOL..................................................................................................................18
8.4.1. FUNCTION 0x03 / 0x04 – READOUT MODBUS REGISTERS VALUE FROM CONVERTER............................................18
8.4.1.1. READOUT OF CURRENT MEASURED VALUE STORED IN 16-BIT REGISTER [4X / 3X-REFERENCES].............18
8.4.1.2. READOUT TALKER ID FROM 16-BIT REGISTER [4X / 3X-REFERENCES].............................................................19
8.4.1.3. READOUT UTC TIME FROM ZDA SENTENCE WITH 16-BIT REGISTER [4X / 3X-REFERENCES].......................20
8.5. EXCEPTIONS OF THE MODBUS-RTU PROTOCOL...................................................................................................................20
9. VERSIONS............................................................................................................................................................................................ 21
10. SPECIFICATION.................................................................................................................................................................................. 21
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ADA-4040PC6
Summary of Contents for ADA-4040PC6
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