Schneider Electric VW3 A3 303 用户手册
30
8. 7. Get Comm Event Counter (11 = 16#0B)
Question:
Response:
8. 8. Write Multiple Registers (16 = 16#10)
Request:
Response:
Example: Write values 20 and 30 to logic address words 9001 and 9002 on slave 2 (acceleration time = 20 s and deceleration time = 30 s)
Request:
Response:
Slave no.
0B
CRC16
1 byte
1 byte
2 bytes
Slave no.
0B
00
00
Value of counter
CRC16
Hi
Lo
Lo
Hi
1 byte
1 byte
2 bytes
2 bytes
2 bytes
Slave no.
10
No. of first word
Number of words
Number of bytes
Value of first word
-------
CRC16
Hi
Lo
Hi
Lo
Hi
Lo
Lo
Hi
1 byte
1 byte
2 bytes
2 bytes
1 byte
2 bytes
2 bytes
Slave no.
10
No. of first word
Number of words
CRC16
Hi
Lo
Hi
Lo
Lo
Hi
1 byte
1 byte
2 bytes
2 bytes
2 bytes
Slave no.
Request
code
No. of first word
Number of
words
Number of
bytes
Value of first word
Value of second
word
CRC16
Hi
Lo
Hi
Lo
Hi
Lo
Hi
Lo
Lo
Hi
02
10
23
29
00
02
04
00
14
00
1E
73
A4
Slave no.
Response code
No. of first word
Number of words
CRC16
Hi
Lo
Hi
Lo
Lo
Hi
02
10
23
29
00
02
9B
B7