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. SUPPORTING CONTROL SYSTEMS OF THE VIRAP* COMPANY..............................................................................................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. CONNECTION OF JCT1 CONTROLLER TO RS485 (4W) MODBUS-RTU BUS..................................................................6
3.3.2. CONNECTION OF JCT1 CONTROLLER TO RS485 (2W) MODBUS-RTU BUS..................................................................6
3.3.3. GND TERMINALS CONNECTION......................................................................................................................................... 7
3.3.4. LINE TERMINATION Rt.......................................................................................................................................................... 7
3.4. POWER SUPPLY CONNECTION.................................................................................................................................................. 7
4. START-UP................................................................................................................................................................................................ 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.................................................................................................................................. 8
5.3. FIRMWARE UPDATE..................................................................................................................................................................... 9
5.4. EMERGENCY FIRMWARE UPDATE...........................................................................................................................................10
5.5. FACTORY DEFAULT..................................................................................................................................................................... 10
6. DATA TRANSMISSION DIAGNOSTICS................................................................................................................................................ 10
7. OPERATION.......................................................................................................................................................................................... 11
8. IMPLEMENTATION OF THE MODBUS-RTU PROTOCOL...................................................................................................................12
8.1. TABLE OF MODBUS-RTU ADDRESSES..................................................................................................................................... 12
8.1.1. REGISTERS OF ACTUAL MEASUREMENTS VALUES OF JCT CONTROLLER, READUOT BY FUNCTION 04 [3 X -
REFERENCES] INPUT REGISTERS.............................................................................................................................................12
8.1.2. REGISTERS OF ACTUAL MEASUREMENTS VALUES OF JCT CONTROLLER, READOUT BY FUNCTION 03 OR
SAVED BY FUNCTION 06 [4 X - 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. 0x03/0x04 FUNCTION - READING OF THE 16-BITS VALUE OF REGISTERS [4X/3X-REFERENCES]...........................13
8.3.2. 0x06 FUNCTION - SAVE VALUES TO 16-BITS REGISTER [4 X-REFERENCES].............................................................14
8.4. EXCEPTIONS OF THE MODBUS-RTU PROTOCOL...................................................................................................................15
9. VERSIONS............................................................................................................................................................................................ 16
10. SPECIFICATION.................................................................................................................................................................................. 16
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ADA-4040PC8
