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Communication operation and setting
(7) Setting items and set data
After completion of parameter settings, set the instruction codes and data then start communication from the computer to
allow various types of operation control and monitoring.
Item
Read/
Write
Instruction
Code
Data Definition
Number of
Data Digits
(Format)
Operation mode
Read H7B
H0000: Network operation
H0001: External operation
H0002: PU operation
4 digits
(B,E/D)
Write HFB
4 digits
(A,C/D)
Monitor
Rotation
speed/output
frequency
Read H6F
H0000 to HFFFF: Rotation speed in 1r/min increments
Output frequency increments 0.01Hz (when Pr.144 = 10 (2, 4, 6, 8))
Machine speed increments 0.001 (when Pr.37 = 0.01 to 9998)
When "100" is set in Pr.52, the monitor value is different depending on
whether the drive unit is at a stop or running. (Refer to page 155)
4 digits
(B,E/D)
6 digits
(B,E2/D)
Output current Read H70 H0000 to HFFFF: Output current (hexadecimal) in 0.01A increments
4 digits
(B,E/D)
Output voltage Read H71 H0000 to HFFFF: Output voltage (hexadecimal) in 0.1V increments
4 digits
(B,E/D)
Special
monitor
Read H72 H0000 to HFFFF: Monitor data selected in instruction code HF3
4 digits
(B,E/D)
6 digits
(B,E2/D)
Special
monitor
Selection No.
Read H73
H01 to H3F: Monitor selection data
Refer to the special monitor No. table (page 218)
2 digits
(B,E1/D)
Write HF3
2 digits
(A1,C/D)
Fault
description
Read H74 to H77
H0000 to HFFFF: Two latest fault records
Refer to the alarm data table (page 219)
4 digits
(B,E/D)
Run command
(expansion)
Write HF9
Control input commands such as the forward rotation signal (STF) and
reverse rotation signal (STR). (For details, refer to Refer to page 219)
4 digits
(A,C/D)
Run command Write HFA
2 digits
(A1,C/D)
Drive unit status
monitor (expansion)
Read H79
Monitor the states of the output signals such as forward rotation, reverse
rotation and drive unit running (RUN). (For details, refer to Refer to page
220)
4 digits
(B,E/D)
Drive unit status
monitor
Read H7A
2 digits
(B,E1/D)
Set speed
(RAM)
Read
H6D
Read the set frequency/speed from RAM or EEPROM.
H0000 to HFFFF: speed setting increments 1r/min.
Setting frequency increments 0.01Hz (when Pr.144 = 10 (2, 4, 6, 8))
Machine speed increments 0.001 (when Pr.37 = 0.01 to 9998)
4 digits
(B,E/D)
6 digits
(B,E2/D)
Set speed
(EEPROM)
H6E
Set speed
(RAM)
Write
HED
Write the set frequency/speed to RAM or EEPROM.
H0000 to HFFFF: speed setting increments 1r/min.
Setting frequency increments 0.01Hz (when Pr.144 = 10 (2, 4, 6, 8))
Machine speed increments 0.001 (when Pr.37 = 0.01 to 9998))
To change the set speed/frequency consecutively, write data to the drive
unit RAM. (Instruction code: HED)
4 digits
(A,C/D)
6 digits
(A2,C/D)
Set speed
(RAM, EEPROM)
HEE
Refer to page 210 for data format (A, A1, A2, A3, B, C, C1, D, E, E1, E2, E3, F)
The increment is 0.001 and the data format is E2 or A2 when the following conditions are met: Pr.37 = "0.01 to 9998," Pr.144 = "2 to 10," and the
instruction code HFF = "01."
b15 b8b7 b0
Latest faultFirst fault in past
Second fault in pastThird fault in past
Fourth fault in pastFifth fault in past
Sixth fault in pastSeventh fault in past
H74
H75
H76
H77