FX2N-32DP-IF Profibus-DP Interface Unit User Parameter 6
6-2
Figure 6.1: User Parameter Rules
For 32DP-IF
Byte No. 01
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 *1 345
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