Chapter 8 RS-485 communication function
The number 8 represents that the transmitted data is 8 bits; The letters N, E and O represent
parity bits, N represents not using this bit, E represents 1 even bit, and O represents 1 odd bit;
The number 1 indicates that the end bit is 1, and the number 2 indicates that the end bit is 2.
8.2 Parameter writing and reading
1. Writing of FA group parameters
For all FA parameters of the servo drive, please refer to the corresponding chapters in the
manual. Each parameter is represented by 16bit data, the communication address of each
parameter is determined by the parameter serial number, and the address is 16bits.The example
of the address of parameter: parameter 1 (FA-0) is represented as 0X0000, parameter 2 (FA-1) is
represented as 0X0001, and other parameters are deduced in turn.
2. Writing of F3 group parameters
For all F3 parameters of the servo drive, please refer to the corresponding chapters in the
manual. Each parameter is represented by 16bit data, the communication address of each
parameter is determined by the parameter serial number, and the address is 16bits. The example
of the address of parameter: parameter 1 (F3-0) is represented as 0x0100H, parameter 16
(F3-15) is represented as 0x010FH, and other parameters are deduced in turn.
3. Writing of F4 group parameters
For all F4 parameters of the servo drive, please refer to the corresponding chapter of the
manual. Each parameter is represented by 16bit data, the communication address of each
parameter is determined by the parameter serial number, and the address is 16bits. The example
of the address of parameter: parameter 1 (F4-0) is represented as 0x0200H, parameter 16 (F4-15)
is represented as 0x020FH, and other parameters are deduced in turn.
4. Parameter format description for parameter writing and reading
Format description of parameters that can be written and read through communication; the
parameters to be read and written must be integer numbers in decimal. During the operation, the
corresponding multiples are enlarged to make them into decimal integers. Arguments in binary
format are actually used during read and write operations as their decimal equivalent. The details
are as follows. For details of the changing method of each parameter of the FA group, please
refer to the description in the corresponding chapter of the parameter in the manual:
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