31 / 74
FG_F6_MODBUS_EN_01 / 2020-06-17
•
Direct access
Example for putting program number 3 in edition mode:
Master
Slave
—
Make a
Write N*words
request of 1 word at the
address
6000h
.
On network:
01
10
60
00
00
01
02
02
00
C7
36
01
Slave address
10
Function number (Write N*words)
60 00
D.A. address for program in edition mode
00 01
Number of words to write
02
Number of bytes to write
02 00
Word: write 0002h (Program n°3)
C7 36
CRC
—
Answer to the request:
On network:
01
10
60
00
00
01
1F
C9
01
Slave address
10
Function number (Write N*words)
60 00
D.A. address for program in edition mode
00 01
Number of words to write
1F C9
CRC