Mitsubishi FX2N-32DP-IF, User Manual

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FX2N-32DP-IF Profibus-DP Interface Unit User Parameter 7
7-12
7.2.2 Exchanged Data Process by Simple Communication Interface
The Simple Communication Interface is a method to exchange data from the master to the
32DP-IF by the default user parameter. There are 3 word, 6 word, 9 word, 12 word and 15
word interface.
The Simple Communication Interface basically uses the Default Parameter one or more times
(Refer to the table below and Figure 7.4).
Figure 7.4: Simple Communication 6W-IF Case
Table 7.11: Repeatedly a Frequency and Exchange Data Length
Items Use Frequency
Exchange Data Length
Input Data
(Bytes)
Output Data
(Bytes)
3 word Interface (3W-IF) 1 6 6
6 word Interface (6W-IF) 2 12 12
9 word Interface (9W-IF) 3 18 18
12 word Interface (12W-IF) 4 24 24
15 word Interface (15W-IF) 5 30 30
Output Data
BFM # R
Data W
BFM # W
BFM # R
Data W
BFM # W
Data
Value
Value
A
R
P
R
P
Data
Value
Value
A
R
P
R
P
Input Data
Master 32DP-IF
Buffer Memory
Special Function
Unit/Block
Input Data
BFM # R
Data W
BFM # W
BFM # R
Data W
BFM # W
Data
Value
Value
A
R
P
R
P
Data
Value
Value
A
R
P
R
P
Output Data
1st
1st
2nd
2nd
R
W
A
R
P
: BFM's number for reading from special function unit/block
: BFM's number or data value for writing to special function unit/block
: BFM's value read from special function unit/block
: BFM's number or data value written to special function unit/block