Mitsubishi Electric 800 Series Instruction Manual page 138

 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.
Read/ Instruction
Item
write
Read H7B
Operation mode
Write HFB
Output
frequency /
rotations per
Read H6F
minute
(machine
speed)
Output current Read H70
Output voltage Read H71
Special
Read H72
monitor
Special Read H73
monitor
Write HF3
selection No.
Fault record Read H74 to H78
Operation
command Write HF9
(extended)
Operation
Write HFA
command
Operation
command Write HFE
(extended 2)
Inverter status
Read H79
monitor (extended)
Inverter status
Read H7A
monitor
Inverter status
monitor (extended Read H7E
2)
code
H0000: Network operation
H0001: External operation, External operation (JOG operation)
H0002: PU operation, External/PU combined operation, PUJOG
operation
H0000: Network operation
H0001: External operation
H0002: PU operation (Setting is available via communication through the
PU connector.)
H0000 to HFFFF: Output frequency in 0.01 Hz increments (The display
can be changed to the rotations per minute (machine speed) using Pr.37
and Pr.53. Refer to the FR-E800 Instruction Manual (Function).)
H0000 to HFFFF: Output current (hexadecimal) in 0.01 A increments
H0000 to HFFFF: Output voltage (hexadecimal) in 0.1 V increments
H0000 to HFFFF: Data of the monitor item selected with the instruction
code HF3.
Monitor selection data (Refer to the FR-E800 Instruction Manual
(Function) for details on selection No.)
H0000 to HFFFF: Two fault records per code. (For details on fault record
read data, refer to the FR-E800 Instruction Manual (Function).)
b15 b8b7
First latest fault
H74
H75 Third latest fault
H76 Fifth latest fault
H77 Seventh latest fault
H78 Ninth latest fault
Fault record display example (instruction code H74)
With the read data H30A0
(First latest fault : THT)
(Latest fault : OPT)
b15 b8
0 0 1 1 0 0 0 0
First latest fault
(H30)
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 page
The states 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
Data description
b0
Latest fault
Second latest fault
Fourth latest fault
Sixth latest fault
Eighth latest fault
b7 b0
1 0 1 0 0 0 0 0
Latest fault
(HA0)
139.)
page 140.)
3.4 Mitsubishi inverter protocol (computer link communication)
Number of data
*1
digits (format)
4 digits (B and E/D)
4 digits (A and C/D)
4 digits (B and E (E2)
/ D)
4 digits (B and E/D)
4 digits (B and E/D)
4 digits (B and E (E2)
/ 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 (A and C/D)
4 digits (B and E/D)
2 digits (B and E1/D)
4 digits (B and E/D)
137
3. RS-485 Communication
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