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ABB AquaMaster 3

ABB AquaMaster 3
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AquaMaster 3
Electromagnetic flowmeter
MODBUS Tables Supplement COI/FET2XX/MOD/TBL-EN 12
MODBUS Protocol
1.3.9 RW 32-Bit
Read/Write access to 32-bit types.
Each AquaMaster 3 RW 32-Bit type requires 2 MODBUS Registers (4 bytes). Consequently, RW 32-Bit
Register addresses are assigned at intervals of 2 and the Request Message must provide Quantity of
Registers in multiples of 2.
32-Bit quantities are arranged in big-endian order.
Read Holding Registers 12003 to 12004
var224 Totaliser Forward
Request Message
(Hex)
Response Message
(Hex)
Error Message
(Hex)
Address
01
Address
01
Function
83
Function
03
Function
03
Exception Code
Exception Code
Starting Address Hi
2e
Byte count
04
Starting Address Lo
e2
Register Value H Hi
00
Quantity of Inputs Hi
00
Register Value H Lo
3d
Quantity of Inputs Lo
02
Register Value L Hi
ac
CRC
6d
Register Value L Lo
f0
=4041968
CRC
15
CRC
39
CRC
91

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