(N) Operation via communication and its settings
582
PARAMETERS
Function code list
Function name
Read/
Write
Code Outline
Broadcast
communication
Message
format
reference
page
Read Holding Register Read H03
The data of the holding registers is read.
The various data of the inverter can be read from
Modbus registers.
System environmental variable (Refer to page 589.)
Real time monitor (Refer to page 360.)
Faults history (Refer to page 591.)
Model information monitor (Refer to page 591.)
Inverter parameters (Refer to page 590.)
Not available page 583.
Preset Single Register Write H06
Data is written to holding registers.
Data can be written to Modbus registers to output
instructions to the inverter or set parameters.
System environmental variable (Refer to page 589.)
Inverter parameters (Refer to page 590.)
Available page 584.
Diagnostics Read H08
Functions are diagnosed. (communication check only)
A communication check can be made since the query
message is sent and the query message is returned as
it is as the return message (subfunction code H00
function).
Subfunction code H00 (Return Query Data)
Not available page 585.
Preset Multiple
Registers
Read H10
Data is written to consecutive multiple holding registers.
Data can be written to consecutive multiple Modbus
registers to output instructions to the inverter or set
parameters.
System environmental variable (Refer to page 589.)
Inverter parameters (Refer to page 590.)
Available page 586.
Read holding register
access log
Read H46
The number of registers that were successfully
accessed by the previous communication is read.
Queries by function codes H03 and H10 are supported.
The number and start address of holding registers
successfully accessed by the previous communication
are returned.
"0" is returned for both the number and start address for
queries other than function code H03 and H10.
Not available page 587.
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