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<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.
No. Item
Instruction
Code
Description
Number
of Data
Digits
(Data
code
FF = 1)
Read H7B
H0000: Communication operation
H0001: External operation
1
Operation
mode
Write HFB
H0000: Communication operation
H0001: External operation
4 digits
Output
frequency
[speed]
H6F
H0000 to HFFFF:Output frequency (hexadecimal)
in 0.01Hz increments
[Speed (hexadecimal) in r/min when Pr. 37 = "0.1
to 999"]
4 digits
(6 digits)
Output
current
H70
H0000 to HFFFF: Output current (hexadecimal) in
0.01A increments
4 digits
H0000 to HFFFF: Two most recent alarm definitions
Alarm definition display example (instruction code
H74)
b15
b8b7
b0
001100 0 0 00000011
Previous alarm
(H30)
Most recent alarm
(HA0)
Alarm data
Data Description Data Description
H00 No alarm H40 FIN
H10 OC1 H60 OLT
H11 OC2 H80 GF
H12 OC3 H90 OHT
H20 OV1 HA0 OPT
H21 OV2 HB0 PE
H22 OV3 HB1 PUE
H30 THT HB2 RET
H31 THM HC0 CPU*
2
Monitoring
Alarm
definition
H74 to H75
* Error code may not be returned.
4 digits
3 Run command HFA
b0 :
b1 : Forward
rotation (STF)
b2 : Reverse
rotation (STR)*
b3 : Low speed (RL)*
b4 : Middle speed (RM)*
b5 : High speed (RH)*
b6 :
b7 :
b7
000000 01
b0
[For example 1]
[Example 1] H02 ... Forward
rotation
[Example 2] H00 ... Stop
* Function change can be made using Pr. 60 to
Pr. 63 (input terminal function selection).
2 digits