NO.6 Detailed Function Description
72
in binary, each bit indicates different operating states of the inverter. The meaning of
each Bit of CNST is as follows:
Bit of CNST
Operation state
Bit7
Frequency tracking
Bit6
In braking
Bit5
In forward/reverse rotation
Bit4
In jogging
Bit3
In operation
Bit2
Forward/reverse rotation
Bit1
Jogging
Bit0
Operation
4. 04 Read current inverter state
When DATA=00-09: inverter state data is as follows:
00: Current set frequency
01: Current output frequency
02: Current output current
03: Current motor speed
04: Current DC voltage
05: Current output voltage
06: Current counter
07: Current inverter temperature
08: PID feedback value
09: PID target value
[Example] Read current set frequency of the inverter, whose parameter value is 30Hz (0B B8
in hexadecimal system)
Communication code
Start
bit
Data format
Check
bit
End
ADD
R
CMD
LEN
DAT
A
RTU
mode
Transmission
>50ms
01
04
01
00
41 89
>50
ms
Reception
>50ms
01
04
03
00
0B
B8
F7 0C
>50
ms
ASCII
mode
Transmission
3AH
30H
31H
30H
34H
30H
31H
30H
30H
46H
41H
0DH
0AH
Reception
3AH
30H
31H
30H
34H
30H
33H
30H
30H
30H
41H
41H
38H
33H
35H
0DH
0AH
5. 05 Set frequency of serial port (necessarily set P002 as 2)
