Mitsubishi Electric FR-A820-00046 Instruction Manual page 804

(N) Operation via communication and its settings
Item
Inverter status
monitor
(extended)
Inverter status
monitor
Set frequency
(RAM)
Set frequency
(EEPROM)
Set frequency
(RAM)
Set frequency
(RAM, EEPROM)
Inverter reset
Faults history
batch clear
Parameter clear
All clear
Parameter
Link parameter
Extended setting
Second
parameter
changing
(instruction code
HFF = 1, 9)
Multi command
Tab. 5-274: Setting of the instruction codes and data (2)
5 - 624
Instruc-
Read/
tion Data description
Write
code
Read H79
The states of the output signals such as forward rotation,
reverse rotation and inverter running (RUN) can be monitored.
(For the details, refer to page 5-628.)
Read H7A
Read the set frequency/speed from the RAM or EEPROM.
H6D
H0000 to HFFFF: Set frequency in 0.01Hz increments
Read
(The display can be changed to the rotations per minute using
H6E
Pr. 37, Pr. 144 and Pr. 811. (Refer to page 5-324))
Write the set frequency/speed into the RAM or EEPROM.
HED
H0000 to HE678 (0 to 590.00Hz): frequency in 0.01Hz
increments
Write
(The display can be changed to the rotations per minute using
Pr. 37, Pr. 144 and Pr. 811. (Refer to page 5-324))
HEE
To change the set frequency consecutively, write data to the
inverter RAM. (Instruction code: HED)
H9696: Inverter reset
As the inverter is reset at the start of communication by the
computer, the inverter cannot send reply data back to the
computer.
Write HFD
H9966: Inverter reset
When data is sent normally, ACK is returned to the computer,
and then the inverter is reset.
Write HF4 H9696: Faults history batch clear
All parameters return to initial values.
Whether to clear communication parameters or not can be
selected according to the data.
Parameter clear
H9696: Communication parameters are cleared.
H5A5A: Communication parameters are not cleared.
All parameter clear
H9966: Communication parameters are cleared.
H55AA: Communication parameters are not cleared.
Write HFC
For the details of whether or not to clear parameters, refer to
page A-5.
When a clear is performed with H9696 or H9966,
communication related parameter settings also return to the
initial values. When resuming the operation, set the
parameters again.
Performing a clear will clear the instruction code HEC, HF3, and
HFF settings.
Only H9966 and H55AA (all parameter clear) are valid during
the password lock (refer to page 5-207).
H00 to H63 Refer to the instruction code (page A-5) and write and/or read
Read
parameter values as required.
When setting Pr. 100 and later, the link parameter extended
Write H80 to HE3
setting must be set.
Parameter settings are switched according to the H00 to H0D
Read H7F
settings.
For details of the settings, refer to the instruction code
Write HFF
(page A-5).
Read H6C
When setting the calibration parameters
H00: Frequency
H01: Parameter-set analog value
H02: Analog value input from terminal
Write HEC
Write/ Available for writing 2 commands, and monitoring 2 items for
HF0
Read reading data (refer to page 5-629 for detail)
Parameters
Number of
data digits
(Format)
4 digits
(B.E/D)
2 digits
(B.E1/D)
4 digits
(B.E/D)
4 digits
(A, C/D)
4 digits
(A, C/D)
4 digits
(A, D)
4 digits
(A, C/D)
4 digits
(A, C/D)
4 digits
(B.E/D)
4 digits
(A, C/D)
2 digits
(B.E1/D)
2 digits
(A1, C/D)
2 digits
(B.E1/D)
2 digits
(A1, C/D)
10 digits
(A2, C1/D)