Circutor DHB-302, Инструкция по эксплуатации

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4�7�2�- MODBUS pROTOCOL
The DHB-324 uses the RTU mode (Remote Terminal Unit) with its Modbus protocol.
The M odbus functions implemented in the unit are as follows:
function 03 for reading n records.
function 06 for writing one record.
function 16 for writing multiple records
function 17 for identifying the slave unit.
The maximum response time is 1000 milliseconds.
4�7�3- MODBUS MeMORy MAp
Modbus addresses are in decimal format.
Table 7:Type of values in the Modbus memory MAp�
Address Type of value Description
4000-4100 integer (16 bits) Value given in a 16-bit record.
7000-7199 float (32 bits)
Value given in two consecutive 16-bit records.
The records include the same data as the 32-bit records in the
7500 area.
Records valid for read function only.
7200-7400 float (32 bits)
Value given in two consecutive 16-bit records.
The records include the same data as the 32-bit records in the
7600 area.
The read and write functions are valid for the records.
7500-7599 float (32 bits)
Value given in a 32-bit record.
Records valid for read function only.
7600-7700 float (32 bits)
Value given in a 32-bit record.
The read and write functions are valid for the records.
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Instruction Manual
DHB-302 DHB-324