User Manual of SY5000 series AC Drive MODBUS communication protocol
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Appendix 1 MODBUS communication protocol
1
Communication parameter
[r-000]
:
Communication function selection
0
:
Communication function is invalid
1
:
Communication function is valid
[r-001]
:
Baud rate
0
:
19200 bps
1
:
9600 bps
2
:
6400 bps
3
:
4800 bps
4
:
3840 bps
5
:
3200 bps
6
:
2740 bps
7
:
2400 bps
[r-002]
:
Communication data format
0
:
7,N,2 for ASCII
1
:
7,E,1 for ASCII
2
:
7,O,1 for ASCII
3
:
8,N,2 for RTU
4
:
8,E,1 for RTU
5
:
8,O,1 for RTU
[r-003]
:
Local address
Setting range
:
1~254
[r-004]
:
Reserved
[r-005]
:
Reserved
[r-006]
:
Communication delay time
The parameter is used to set communication delay time, namely interval time
between inverter completely receiving data and starting to send data to host computer.
2
Encoding meaning
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