Appendix A Modbuscommunication protocol IR610 high performance vector control frequency inverter user manual
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000E
:
IGBT module overheat
000F
:
Reserved
0010
:
motor overheat
0011
:
fast overcurrent time out fault
0012
:
Ground fault
0013
:
motor auto tuning fault reserved
0014
:
drives temperarure detection
fault
0023
:
extension card fault
0024
:
PID feedback lost during running
0025
:
User-defined fault 1
0026
:
User-defined fault 2
A.7 Register data type
There are several types of register data, and each type of communication setting method is shown
in the following table:
Types of register data
Communication setting method
16-bit unsigned number
0~65535 corresponds to 0xFFFF; the decimal point does not need to be
processed.Example: Set P00.07 to 40.00Hz: Write 0x0FA0 to the 0x0007 address.
16-bit signed number
-32768~32767 corresponds to 0x8000~0x7FFFF.
Example: Set P14.01 to -50.0%:
Write 0xFE0C to the 0x0E01 address.
Binary number
Represents a value of 16 bits.
For example, the content of the 0x0600 address is 0x0012, which means:Bit1 of
r06.00=1, bit4=1; that is, DI1 and DI5 (HDI) are valid.
。
"One hundred thousand" type
"Units" ~ "Thousands" correspond to 0~3bit, 4~7bit, 8~11bit, 12~15bit respectively.
Example: Set the “Unit’digit” of P40.04 to AI1 and “ten’s digit” to AI2:
Write 0x0021 to the 0x2804 address.
32-bit unsigned number
The contents of the two registers need to be combined into 32-bit numbers.
For example, read the meter r16.00:
Step 1: Read 2 registers from the starting address 0x1000
Step 2: Watt-hour meter reading = ((Uint32)0x1001 value<<16) + 0x1000 value
32-bit signed number
Similar to 32-bit unsigned numbers. The value of the even address is still the lower
16 bits, and the value of the next address (odd number) of the even address
indicates the upper 16 bits.
A.8 The inverter acts as a Modbus master
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