FG_F6_MODBUS_EN_01 / 2020-06-17
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Last results reading
For using this function, it is important to:
—
Having done a start on the instrument before (“End of cycle” bit on in the relay status)
—
Not having done a reset of the FIFO
•
Standard access
Example of reading the entire last result structure:
Master
Slave
—
Make a
Read N*words
request of 40 words at the
0011h
address.
On network:
01
03
00
11
00
28
15
D1
01
Slave address
03
Function number (Read N*words)
00 11
Word address (Last result)
00 28
Number of words to read
15 D1
CRC
—
Answer to the request:
On network:
01
03
50
Last result structure
on 40 words
CRC
01
Slave address
03
Function number (Read N*words)
50
Number of read bytes
Last result structure on 40 words
CRC
Содержание F6 Profinet Series
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