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Item
Output
frequency /
speed
Output current
Output voltage
Special monitor
Special monitor
selection No.
Fault record
Operation command
(extended)
Operation command Write
Inverter status
monitor (extended)
Inverter status
monitor
Set frequency
(RAM)
Set frequency
(EEPROM)
Set frequency
(RAM)
Set frequency (RAM,
EEPROM)
Inverter reset
Fault history clear
494
5. PARAMETERS
5.12 (N) Communication operation parameters
Read/
Instruction
write
code
H0000 to HFFFF: Output frequency in 0.01Hz increments (The display can
Read
H6F
be changed to the rotations per minute using Pr.37 and Pr.144. (Refer to
page
288.))
H0000 to HFFFF: Output current (hexadecimal)
Increment 0.01 A (FR-F820-02330(55K) or lower, FR-F840-01160(55K) or
Read
H70
lower)
Increment 0.1 A (FR-F820-03160(75K) or higher, FR-F840-01800(75K) or
higher)
Read
H71
H0000 to HFFFF: Output voltage (hexadecimal) in 0.1 V increments
H0000 to HFFFF: Data of the monitor item selected with the instruction code
Read
H72
HF3.
Read
H73
Monitor selection data (Refer to
Write
HF3
H0000 to HFFFF: Two fault records per code
Read
H74 to H77
(Refer to
Write
HF9
Control input commands such as the Forward rotation command (STF) signal
and the Reverse rotation command (STR) signal can be set. (For the details,
refer to
HFA
Read
H79
The status of the output signals such as the Forward rotation output, Reverse
rotation output, and Inverter running (RUN) signals can be monitored. (For
the details, refer to
Read
H7A
Read the set frequency/speed from the RAM or EEPROM.
H6D
H0000 to HFFFF: Set frequency in 0.01 Hz increments (The display can be
Read
changed to the rotations per minute using Pr.37 and Pr.144. (Refer to
H6E
288.))
Write the set frequency/speed into the RAM or EEPROM.
HED
H0000 to HE678 (0 to 590.00 Hz): Set frequency in 0.01 Hz increments (The
display can be changed to the rotations per minute using Pr.37 and Pr.144.
Write
(Refer to
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: Fault history is cleared.
Data description
page 288
b15
b8 b7
H74
Second fault in past
H75
Fourth fault in past
H76
Sixth fault in past
H77
Eighth fault in past
Fault record display example (instruction code H74)
With the read data H30A0
(Second fault : THT)
(Latest fault : OPT)
b15
b8
b7
0
0 1 1 0 0 0 0
1
Second fault
(H30)
page 566
for details on fault record read data.)
page
496.)
page
497.)
page
288.))
for details on selection No.)
b0
Latest fault
Third fault in past
Fifth fault in past
Seventh fault in past
b0
0 1 0 0 0 0 0
Latest fault
(HA0)
page
Number of
data digits
*1
(format)
4 digits (B and
E/D)
4 digits (B and
E/D)
4 digits (B and
E/D)
4 digits (B and
E/D)
2 digits (B and
E1/D)
2 digits (A1 and
C/D)
4 digits (B and
E/D)
4 digits (A and
C/D)
2 digits (A1 and
C/D)
4 digits (B and
E/D)
2 digits (B and
E1/D)
4 digits (B and
E/D)
4 digits (A and
C/D)
4 digits (A and
C/D)
4 digits (A and
D)
4 digits (A and
C/D)

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