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MODBUS Communication - Contents
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Contents
Introduction .................................................................................................................................... 4
1. General .................................................................................................................................... 5
1.1 MODBUS setup ............................................................................................................... 5
1.2 Function code / Exception code ................................................................................... 5
1.3 MODBUS communication .............................................................................................. 6
1.4 Connection ...................................................................................................................... 6
2. MODBUS map ......................................................................................................................... 8
2.1 Hold Register DO ............................................................................................................ 9
3. Failures and Warnings DO .................................................................................................. 17
4. Low/High Point Calibration DO ........................................................................................... 18
5. Revision History ................................................................................................................... 19