RS-485 Communication Features
7.3.7 Modbus-RTU Protocol
7.3.7.1 Function Code and Protocol
In the following section, station ID is the value set at COM-01 (Int485 St ID), and the starting
address is the communication address (starting address size is in bytes). For more
information about communication addresses, refer to 7.3.8 Compatible Common Area
Parameter on page 370.
Reading up to 8 Consecutive Inverter Parameters Based on the Set Number - Read
Holding Register (Func. Code: 0x03) and Read Input Register (Func. Code: 0x04)
Read Holding Registers (Func. Code: 0x03) and Read Input Registers (Func. Code: 0x04)
are processed identically by the inverter.
Starting address 1 of the inverter parameters (common area or keypad) to
be read from.
Number of the inverter parameters (common area or keypad) to be read.
Byte number of normal response values based on the number of registers
(No. of Reg).
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