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FX2N-32DP-IF Profibus-DP Interface Unit User Parameter 6
6-2
Figure 6.1: User Parameter Rules
For 32DP-IF
Byte No. 0
1
Bit 0 Bit 1 Bit 2
Meaning
Reserved (must be 0)
Swap data flag
I/O block status is
checked every cycle:
Y/N
Special function
block’s BFM #29
(Error status) is
checked: Y/N.
Description
If this bit is ON (1),
byte data are
swapped within a
word.
If this bit is ON (1), the
status check of the I/O
units/blocks is per-
formed in every cycle.
If this bit is ON (1),
BFM #29 in all con-
nected special func-
tion blocks is checked
in every cycle.
For first special function block
Byte No.
2
*1
3 4 5
Meaning
Type code of special
function block, lower
byte of BFM 30
*2
Type code of special
function block, higher
byte of BFM 30
*2
Total length m of
parameter data for
this special function
block.
Number (n) of BFM for
data exchange
*4
Description
m = 2 + n + 3
×
b
*3
First special function block
Byte No. 6 7 ..... 5 + n
Meaning
First BFM address for
data exchange
*4
Second BFM address
for exchange
*4
....
n th BFM address for
exchange
*4
Description
First special function block
Byte No.
5 + n +1
5 + n + 2 5 + n + 3
×
1
Bit 7 Bit 0 ~ 6
Meaning
Writing flag
BFM address
adjusted
*5
Lower byte of parame-
ter data
*5
Higher byte of param-
eter data
*5
Description
If this BFM is
adjusted, this bit is ON
(1).
*5
First special function block
Byte No.
5 + n + 3
×
1 +1
5 + n + 3
×
1 + 2 5 + n + 3
×
2
Bit 7 Bit 0 ~ 6
Meaning
Writing flag
BFM address
adjusted
*5
Lower byte of parame-
ter data
*5
Higher byte of param-
eter data
*5
Description
If this BFM is
adjusted, this bit is ON
(1).
*5
For first special function block For second special function block
Byte No. .....
(5 + n + 3
×
b)
*6
(5 + n + 3
×
b)
+1
*7
.....
Meaning
.....
Higher byte of param-
eter data
*5
Type code of special
function block, lower
byte of BFM 30
*2
.....
Description