Mitsubishi Electric 800 Series Instruction Manual page 505

 Function code list
Function name
Read Holding Register
Preset Single Register
Diagnostics
Preset Multiple
Registers
Read holding register
access log
504
5. PARAMETERS
5.12 (N) Operation via communication and its settings
Read/ Code
Write
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
Real time monitor (Refer to
Fault history (Refer to
Model information monitor (Refer to
Inverter parameters (Refer to
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
Inverter parameters (Refer to
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)
Write 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
Inverter parameters (Refer to
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.
Outline
page 511.)
page 275.)
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Broadcast Message
communication format
reference
page
Not available page 505.
Available page 506.
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Available page 508.
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