FG_F6_MODBUS_EN_01 / 2020-06-17
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Reading of the configuration / extended menu bits
The configuration / extended menu bits are independents of the program number.
•
Standard access
Example of reading 7 words of the “Configuration / Extended menu bits”:
Master
Slave
—
Make a
Read N*words
request of 7 words at the
0100h
address.
On network:
01
03
01
00
00
07
05
F4
01
Slave address
03
Function number (Read N*words)
01 00
Word address (Extended menu bits)
00 07
Number of words to read
05 F4
CRC
—
Answer to the request:
On network:
01
03
0E
00
0C
20
10
00
80
21
00
00
00
00
00
20
00
90
74
01
Slave address
03
Function number (Read N*words)
0E
Number of read bytes
00 0C
Word 1: read 0C00h
20 10
Word 2: read 1020h
00 80
Word 3: read 8000h
21 00
Word 4: read 0021h
00 00
Word 5: read 0000h
00 00
Word 6: read 0000h
20 00
Word 7: read 0020h
90 74
CRC
Содержание F6 Profinet Series
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