Mitsubishi Electric FR-A800, Instruction Manual

Page: 803 / 1042

Parameters (N) Operation via communication and its settings
FR-A800 5 - 623
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.
Refer to page 5-505 for data formats (A, A1, A2, B, C, C1, D, E, E1, E2, E3, F).
Item
Read/
Write
Instruc-
tion
code
Data description
Number of
data digits
(Format)
Operation mode
Read H7B
H0000: Network operation
H0001: External operation
H0002: PU operation, External/PU combined operation,
PUJOG operation
4 digits
(B.E/D)
Write HFB
H0000: Network operation
H0001: External operation
H0002: PU operation (RS-485 communication operation via
PU connector)
4 digits
(A,C/D)
Mo
n
it
o
r
Output
frequency/
speed
Read H6F
H0000 to HFFFF: Output frequency in 0.01Hz increments
(The display can be changed to the rotations per minute using
Pr. 37, Pr. 144 and Pr. 811. (Refer to page 5-324))
4 digits
(B.E/D)
Output
current
Read H70
H0000 to HFFFF: Output current (hexadecimal)
Increment 0.01 A (FR-A820-03160(55K) or lower,
FR-A840-01800(55K) or lower)
Increment 0.1 A (FR-A820-03800(75K) or higher,
FR-A840-02160(75K) or higher)
4 digits
(B.E/D)
Output
voltage
Read H71
H0000 to HFFFF: Output voltage (hexadecimal) in 0.1 V
increments 4 digits
(B.E/D)
Special
monitor
Read H72
H0000 to HFFFF: Monitor data selected in the instruction code
HF3 4 digits
(B.E/D)
Special
monitor
selection
No.
Read H73
Monitor selection data
(Refer to page 5-327 for details on selection No.)
2 digits
(B.E1/D)
Write HF3
2 digits
(A1,C/D)
Fault record Read H74 to H77
H0000 to HFFFF: Two latest fault records
(Refer to page 6-5 for details on fault record read data.)
4 digits
(B.E/D)
Operation
command
(extended)
Write HF9
Control input commands such as forward rotation signal (STF)
and reverse rotation signal (STR) can be set.
(For the details, refer to page 5-627.)
4 digits
(A, C/D)
Operation
command
Write HFA
2 digits
(A1, C/D)
Tab. 5-274: Setting of the instruction codes and data (1)
b15 b8 b7 b0
H74
H75
H76
H77
Second fault in past Latest fault
Fourth fault in past Third fault in past
Sixth fault in past Fifth fault in past
Eighth fault in past Seventh fault in past
0
b15
(HA0) (H30)
0 1 1 0 0 0 0
b8
1
b7
0 1 0 0 0 0 0
b0
Fault record display example (instruction code H74)
With the read data H30A0
(Last fault : THT)
(Present fault : OPT)
Last fault
Present fault