Table Of Contents - ABB AquaMaster 3 Manual

AquaMaster 3
Electromagnetic flowmeter
1 MODBUS Protocol ............................................................................................ 2
1.1 Implementation Information .......................................................................... 2
1.2 AquaMaster 3 MODBUS Register Mapping.................................................. 3
1.3 Register Usage ............................................................................................ 4
1.3.1 RW 1-Bit............................................................................................... 4
1.3.2 RO 1-Bit ............................................................................................... 5
1.3.3 RO 8/16-Bit .......................................................................................... 5
1.3.4 RO String.............................................................................................. 6
1.3.5 RO 32-Bit ............................................................................................. 7
1.3.6 RO Float ............................................................................................... 8
1.3.7 RW 8/16-Bit ......................................................................................... 8
1.3.8 RW String ........................................................................................... 10
1.3.9 RW 32-Bit........................................................................................... 12
1.3.10 RW Float .......................................................................................... 13
Appendix A - MODBUS Register Allocation Tables......................................... 14
RW 1-Bit.......................................................................................................... 14
RO 1-Bit .......................................................................................................... 14
RO 8/16-Bit ..................................................................................................... 15
RO String ......................................................................................................... 16
RO 32-Bit ........................................................................................................ 17
RO Float .......................................................................................................... 18
RW 8/16-Bit..................................................................................................... 19
RW String ........................................................................................................ 21
RW 32-Bit........................................................................................................ 22
RW Float.......................................................................................................... 23
Tables of Settings ............................................................................................ 24
Notes .................................................................................................................. 26
MODBUS Tables Supplement COI/FET2XX/MOD/TBL-EN
MODBUS Protocol
1