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Table 4

Range

of addresses

Value type Description

4000-4100 integer (16 bitów) Value placed in a 16-bit register.

7000-7199 float (32 bity)

Value placed in two successive

16-bit registers. Registers include

the same data as 32-bit register

from the area 7500. Registers are

only for readout.

7200-7400 float (32 bity)

Value placed in two successive

16-bit registers. Registers include

the same data as 32-bit register

from the area 7600. Registers can

be read out and written.

7500-7599 float (32 bity)

Value placed in a 32-bit register.

Registers are only for readout.

7600-7700 float (32 bity)

Value placed in a 32-bit register.

Registers can be read out and

written.

6.3. Register Map of the DHB-3xx Meter

Code Meaning

03 Readout of n-registers

06 Readout of single register

16 Write of n-registers

17 Identification of the slave device.

Following functions of the MODBUS protocol hale been implemented

in the DHB-3xx meter:

Table 3

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 53 54

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