N100
plus
Inverter RS485 Interface Instruction Manual
N100_Inverter RS485 Interface Manual(English).doc
10
Ex) The case of d001 output frequency reading.
Byte1
Byte2
Byte3
Byte4
Byte5
Byte6
Communication
number
Command
Parameter
Parameter number
0x01
0x03
0x01
0x01
0x00
0x01
The sequence of addition Byte(0x01)
16Bit Register
MSB
Flag
(Exclusive OR)
1111
1111
1111
1111
01
0000
0001
1111
1111
1111
1110
Shift1
0111
1111
1111
1111
Shift2
0011
1111
1111
1111
1
Polynomial
1010
0000
0000
0001
1001
1111
1111
1110
Shift3
0100
1111
1111
1111
Shift4
0010
0111
1111
1111
1
Polynomial
1010
0000
0000
0001
1000
0111
1111
1110
Shift5
0100
0011
1111
1111
Shift6
0010
0001
1111
1111
1
Polynomial
1010
0000
0000
0001
1000
0001
1111
1110
Shift7
0100
0000
1111
1111
Shift8
0010
0000
0111
1111
1
Polynomial
1010
0000
0000
0001
1000
0000
0111
1110
Byte1~6
CRC of operation
results
0x01
0x03
0x01
0x01
0x00
0x01
0x807e
0x2140
0x30e1
0x8831
0xd449
0x36d4
It exchanges higher 8bit of the final result 0x36d4.
→
0xd436
Byte7 : CRC higher 8Bit = 0xd4
Byte8 : CRC lower 8Bit = 0x36