Circutor DHB Series Uživatelský manuál stáhnout pdf (Strana 38)

6.4 Register Map

The register map of the DHB-124 meter is presented below

Notice:

All given addresses are physical addresses. In some computer pro-

grams, logic addressing is applied, then addresses must be incre-

ased of 1.

Table 10

Range of

addresses

Value type Description

4000-4049

integer

(16 bits)

Value placed in a 16-bit register.

7000-7019 float (32 bits)

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.

7200-7327 float (32 bits)

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.

7500-7509 float (32 bits)

Value placed in a 32-bit register. Registers

are only for readout.

7600-7663 float (32 bits)

Value placed in a 32-bit register. Registers

can be read out and written.

6.3 Description of Applied Functions

Following functions of the MODBUS protocol have been implemented

in the DHB-1xx meter:

l 03 – Readout of n-registers.

l 06 – Write register

l 16 – Write of n-registers.

l 17 – Identification of the slave device.

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 57 58

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Circutor DHB Series Uživatelský manuál Strana 38