Mitsubishi Electric FR-A8NCE Instruction Manual page 65

Item
Monitor Faults history
Set frequency (RAM)
Set frequency (EEPROM)
Set frequency (RAM)

Set frequency
(RAM and EEPROM)

64
DETAILS OF I/O SIGNALS
Read/ Code
write number
H0000 to HFFFF: Last two fault records
b15
Second fault in past
H74
Fourth fault in past
H75
H74 to
Sixth fault in past
H76
Read
H77
Eighth fault in past
H77
For the data codes or details of fault records, refer to the Instruction Manual (Detailed)
of the inverter.
Read set frequency/speed (machine speed) from RAM or EEPROM.
H6D
H0000 to HE678:
Read
Set frequency: 0.01 Hz increments
H6E
Speed (machine speed): 1 increments
Write set frequency/speed (machine speed) to RAM or EEPROM.
Write HED
• H0000 to HE678 (0 to 590.00 Hz):
Frequency: 0.01 Hz increments
• H0000 to H270E (0 to 9998):
Speed (machine speed): 1 increments
Write HEE
• To change the set frequency consecutively, write data to the inverter RAM. (Instruction
code: HED)
Description
b8 b7 b0
For instruction code H74,
read data H30A0
Latest fault
b15
Third fault in past
0 0
Fifth fault in past
Seventh fault in past


b8 b7
1 1 0 0 0 0 1 0 1 0 0 0
Last fault Current fault
(H30) (HA0)
Last fault ...... THT
Current fault ...... OPT
b0
0 0