User manual

MODBUS DATA TYPES
Modbus data types used with the PVP250kW/PVP260kW unit are shown in the
following table.
Table 6‑14. Data types
Data Type Description
ASCII
Two ASCII characters per register
For a text string the left-most character is the lowest register
number.
UINT16
Unsigned integer, 16 bits
Range: 0 to 65,536
SINT16
Signed integer, 16 bits
Range: –32,767 to +32,767
UINT 32
(requires two
registers)
Unsigned integer, 32 bits
Range: 0 to 4,294,967,295
SINT32
(requires two
registers)
Signed integer, 32 bits
Range: –2,147,483,647 to +2,147,483,647
FLOAT
(requires two
registers)
IEEE 754 standard 32-bit floating point number
High order 16 bits in the first of the two registers. Low order 16
bits in the second register. (Big Endian)
MODBUS REGISTER MAPPING
The following tables list the Modbus registers with their location and a description of
the data stored in the register.
Modbus Fixed Information Registers
Advanced Energy
6‑22 Data Monitoring and Controls 570-1001792-05A