E6581913
28
8) Read data 5 (2 bytes) : The data selected with f879 is read.
9) CRC16 (2 bytes) : ---
Inverter → Computer (Abnormal return) *The text size is 5 bytes fixed.
CRC16
Inverter
No.
Command Error Code
low high
83
1) Inverter No (1 byte) : ---
2) Command (1 byte) : 83H fixed (Read command error) (Command + 80H)
3) Error code (1 byte) : See ”5.3. Error codes”.
4) CRC16 (2 by
tes) : ---
Example: Indirect block read of 5 words(During 60Hz operation)
< Parameter >
f802 (Inverter number) = 1
f829 (Selection of communication protocol) = 1: Modbus RTU
f875 (Block read data 1) =1: Ststus information 1
f876 (Block read data 2) = 2: Output frequency
f877 (Block read data 3) = 3: Output current
f878 (Block read data 4) = 4: Output voltage
f879 (Block read data 5) = 5: Alarm information
(Computer → inverter) 01 03 18 75 00 05 92 B3
(Inverter → computer) 01 03 0A E4 04 17 70 00 00 26 FF 00 80 58 00
Example: Indirect block read of 2 words(During 60Hz operation and f875=1, f876=2)
(Computer → inverter) 01 03 18 75 00 02 D3 71
(Inverter → computer) 01 03 04 E4 04 17 70 83 16
Example: Indirect block read of 2 words(During 60Hz operation and f875=0, f876=2)
(Computer → inverter) 01 03 18 75 00 02 D3 71
(Inverter → computer) 01 03 04 00 00 17 70 F4 27
Example: Data error ( Number of word is wrong )
(Computer → inverter) 01 03 18 75 00 06 D2 B2
(Inverter → computer) 01 83 03 01 31
Example: Data error ( Communication number is wrong )
(Computer → inverter) 01 03 18 76 00 02 23 71
(Inverter → computer) 01 83 03 01 31
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