Appendix MD280/MD280N User Manual
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inverter operation, the status of the inverter and related parameter setup.
Read and write function-code parameters (Some functional code is not
changed, only for the manufacturer use.)
The mark rules of Function code parameters address:
The group number and mark of function code is the parameter address for
indicating the rules.
High byte˖F0 to FF
Low byte: 00 to FF
For example: F3-12, the address indicates to F30C
.
Caution:
Group FF:
Manufacturer Parameters.The user is not allowed to access
Group FF.
Some parameters can not be changed during operation, some parameters
regardless of what kind of state the inverter in, the parameters can not be
changed.Change the function code parameters, pay attention to the scope
of the parameters, units, and relative instructions.
Besides, due to EEPROM is frequently stored, it will reduce the lifetime of
EEPROM.In the communication mode, and some function code needn’t be
stored as long as change the RAM value. To achieve this function, change
high order F of the function code into zero.
Corresponding function code addresses are indicated below:
High byte: 00 to 0F
Low byte: 00 to FF
For example: Function code F3-12 can not be stored into EEPROM,
address indicates to be EEPROM.
This address can only act writing RAM, it can not act reading, when act
reading, it is invalid address.
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