Filter
Top Products
227
Communication operation and setting
4
PARAMETERS
(9) Setting items and set data
After completion of parameter setting, set the instruction codes and data then start communication from the computer
to allow various types of operation control and monitoring.
No. Item
Read
/write
Instruction
Code
Data Description
Number of
Data Digits
(format)
1 Operation Mode
Read H7B
H0000: Network operation
H0001: External operation
H0002: PU operation
(RS-485 communication operation via PU connector)
4 digits
(B,E/D)
Write HFB
4 digits
(A,C/D)
2
Monitor
Output
frequency/
speed
Read H6F
H0000 to HFFFF: Output frequency in 0.01Hz increments
Speed in 1r/min increments (when Pr. 37 = 1 to 9998 or Pr. 144
= 2 to 10, 102 to 110)
4 digits
(B,E/D)
Output current Read H70
H0000 to HFFFF: Output current (hexadecimal) in 0.01A
increments (FR-F720-02330(FR-F740-
01160) or less) / 0.1A increments (FR-F720-
03160(FR-F740-01800) or more)
4 digits
(B,E/D)
Output voltage Read H71
H0000 to HFFFF: Output voltage (hexadecimal) in 0.1V
increments
4 digits
(B,E1/D)
Special
monitor
Read H72 H0000 to HFFFF: Monitor data selected in instruction code HF3
4 digits
(B,E/D)
Special
monitor
selection No.
Read H73
H01 to H4A: Monitor selection data
Refer to the special monitor No. table (page 229)
2digits
(B,E1/D)
Write HF3
2digits
(A1,C/D)
Fault definition Read
H74 to
H77
H0000 to HFFFF: Two most recent fault records
Refer to the fault data table (page 230)
4 digits
(B,E/D)
3
Run command
(extended)
Write HF9
You can set the control input commands such as the forward
rotation signal (STF) and reverse rotation signal (STR). (Refer
to page 230 for details)
4 digits
(A,C/D)
Run command Write HFA
2digits
(A1,C/D)
4
Inverter status
monitor (extended)
Read H79
You can monitor the states of the output signals such as
forward rotation, reverse rotation and inverter running (RUN).
(Refer to page 231 for details)
4 digits
(B,E/D)
Inverter status
monitor
Read H7A
2digits
(B,E1/D)
5
Set frequency
(RAM)
Read
H6D
Read the set frequency/speed from the RAM or EEPROM.
H0000 to HFFFF: Set frequency in 0.01Hz increments
Speed in 1r/min increments (When Pr. 37 = 1 to 9998 or Pr. 144
= 2 to 10, 102 to 110)
4 digits
(B,E/D)
Set frequency
(EEPROM)
H6E
Set frequency
(RAM)
Write
HED
Write the set frequency/speed into the RAM or EEPROM.
H0000 to H9C40 (0 to 400.00Hz) : frequency in 0.01Hz
increments
H0000 to H270E (0 to 9998) : speed in r/min increments (when
Pr. 37 = 1 to 9998 or Pr. 144 = 2 to 10, 102 to 110)
⋅ To change the running frequency consecutively, write data to
the inverter RAM. (Instruction code: HED)
4 digits
(A,C/D)
Set frequency
(
RAM, EEPROM
)
HEE
6 Inverter reset Write HFD
H9696: Inverter reset
⋅ As the inverter is reset at start of communication by the
computer, the inverter cannot send reply data back to the
computer.
4 digits
(A,C/D)
H9966: Inverter reset
⋅ When data is sent normally, ACK is returned to the computer
and then the inverter is reset.
4 digits
(A,D)
Refer to page 220 for data formats (A, A1, A2, B, C, C1, D, E, E1, E2, E3, F)
b15 b8 b7 b0
Latest faultSecond fault in past
Third fault in pastFourth fault in past
Fifth fault in pastSixth fault in past
Seventh fault in pastEighth fault in past
H74
H75
H76
H77