3
NT538
PAGE
8) RS485 MODBUS (only AD)
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19
• INTRODUCTION TO THE MODBUS INSIDE
MODULE
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• OPERATING NOTES
…………………………………..
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• DATA TRANSMISSION ON MODBUS NETWORK
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• RS485 ELECTRICAL CONNECTIONS
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• DATA FRAME
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• DATA PACKET
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• FUNCTION CODE
…………………………………..
20
• CODE 3(10).
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• CODE 16(10).
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• NOTES FOR REMOTE PROGRAMMING
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• ERROR CODES
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21
• ILLEGAL DATA
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• POLLING FREQUENCY
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• MODBUS MAPPING TABLE
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22
9) FAIL SAFE FUNCTION
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27
10) OUTPUT 4.20mA (only AD)
…………………………………..
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11) Pt100 EXTENSION CABLE TECHNICAL SPECIFICATIONS
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28
12) FCD FUNCTION
…………………………………..
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13) WARRANTY CONDITIONS
…………………………………..
29
14) TROUBLESHOOTING
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15) EQUIPMENT DISPOSAL
…………………………………..
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16) USEFUL CONTACTS
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30
17) UL SPECIFICATION AND RATINGS
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