E6581913
34
Inverter → Computer (Abnormal return) *The text size is 5 bytes fixed.
CRC16
Inverter
No.
Command Error Code
low high
90
1) Inverter No (1 byte) : ---
2) Command (1 byte) : 90H fixed (Read command error) (Command + 80H)
3) Error code (1 byte) : See ”5.3. Error codes”.
4) CRC16 (2 by
tes) : ---
Example: Set the operation frequency(FA01=60.00Hz) and forward run command value by RS485
< Parameter >
f802 (Inverter number) = 1
f829 (RS485 protocol selection) = 1: Modbus RTU
f870 (Block write data 1) = 1: Communication command 1
f871 (Block write data 2) = 3: Frequency command value
(Computer → inverter) 01 10 18 70 00 02 04 C4 00 17 70 6D AF
(Inverter → computer) 01 10 18 70 00 02 46 B3
Example: (Inverter is busy or f870,f871 is 0)
(Computer → inverter) 01 10 18 70 00 02 04 C4 00 17 70 6D AF
(Inverter → computer) 01 90 04 4D C3
Example: Communication number error
(Computer → inverter) 01 10 18 71 00 02 04 C4 00 17 70 AC 63
(Inverter → computer) 01 90 03 0C 01
Example: Data range error
(Computer → inverter) 01 10 18 70 00 03 04 C4 00 17 70 6C 7E
(Inverter → computer) 01 90 03 0C 01
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