Appendix I
233
0000: No fault
0001: Password error
0002: Command code error
0003: CRC check error
0004: Invalid address
0005: Invalid parameters
0006: Invalid parameter changes
0007: System locked
0008: EEPROM in operation
F9
Group - Communication parameter description
Units digit: MODUBUS baud rate
0: 300BPS
1: 600BPS
2: 1200BPS
3: 2400BPS
4: 4800BPS
5: 9600BPS
6: 19200BPS
7: 38400BPS
8: 57600BPS
9: 115200BPS
This parameter is used to set the data transfer rate between the host computer and the inverter. Note:
the baud rate must be set to the same for the host computer and the inverter, otherwise
communication can not be achieved. The larger baud rate, the faster communication speed.
0: no parity: data format <8, N, 2>
1: even parity: data format <8, E, 1>
2: odd parity: data format <8, O, 1>
3: no parity: data format <8-N-1>
Note: the set data for the host computer and the inverter must be the same.
1 to 247, 0for broadcast address
When the address of this unit is set 0, that is broadcast address, the broadcasting function for the
host computer can be achieved.
The address of this unit has uniqueness (in addition to the broadcast address), which is the basis of
peer-to-peer communication for the host computer and the inverter.
Response delay: it refers to the interval time from the end of the inverter receiving data to the start
of it sending data to the host machine. If the response delay is less than the system processing time,
then the response delay time is subject to the system processing time; If the response delay is
longer than the system processing time, after the system finises the data processing, and continues
to wait until the response delay time, and then sends data to the host computer.
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