Hyundai N300-P Instruction Manual page 115

N300-P INSTRUCTION MANUAL
(5) About the calculation of BCC (the Block Check Code)
(Example) 5Hz is set up by using 01 command (the setting of the frequency command). (When the
code of the inverter of the object is "01")
Constitution of the transmission frame
Code Command Data
STX
BCC is the result that transforms the Code Data into ASC
1byte. In the case of the above transmission frame, BCC calculates it as follows.
30 31 30 31
Xor
01
Xor
31
Xor
00
Xor
30
(Appendix) ASCII code transformation table
Character data
STX
ACK
CR
NAK
0
1
2
3
4
5
6
7
8
9
BCC
30 30 30 35
Xor
00
Xor
30
Xor
05
Xor
35
ASC code
02
06
0D
15
30
31
32
33
34
35
36
37
38
39
Chapter 4 Explanation of function
CR
01
01
000500
0
Code and took an EXCLUSIVE OR (Xor) every
30 30
Xor
BCC number
05
Character data
ASC code
A
B
C
D
E
F
H
P
ASCII Code
(0 02)
(0 30 31)
(0 30 31)
(0 30 30 30 35 30 30)
(0 30 35)
(0 0D)
41
42
43
44
45
46
48
50