Mitsubishi Electric 800 Series Instruction Manual page 50

Read/ Instruction
Item
write
Fault record Read H74 to H77
Operation
command Write HF9
(extended)
Operation
Write HFA
command
Inverter status
Read H79
monitor (extended)
Inverter status
Read H7A
monitor
code
H0000 to HFFFF: Two latest fault records
(For details on fault record read data, refer to the data code in the list of fault
displays in the Instruction Manual (Detailed) of the inverter.)
Control input commands such as forward rotation signal (STF) and reverse rotation
signal (STR) can be set. (For the details, refer to
The states of the output signals such as forward rotation, reverse rotation and
inverter running (RUN) can be monitored. (For the details, refer to
Data description
b15 b8 b7
H74
Second fault in past Latest fault
H75
Fourth fault in past Third fault in past
H76
Sixth fault in past Fifth fault in past
H77
Eighth fault in past Seventh fault in past
Fault record display example (instruction code H74)
With the read data H30A0
(Last fault : THT)
(Present fault : OPT)
b15 b8 b7
0 0 1 1 0 0 0 0 1 0 1 0 0 0 0 0
Last fault Present fault
(H30) (HA0)
page
Number of
data digits
(Format)
b0
4 digits
(B.E/D)
b0
4 digits
(A,C/D)
55.)
2 digits
(A1,C/D)
4 digits
(B.E/D)
page 56.)
2 digits
(B.E1/D)
PARAMETER

4
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