User`s manual

FX communication
N:N network 4
4-4
4.2.3 Setting the Refresh Range (D8178)
Set a value 0 to 2 to the special data register D8178. (Default = 0)
This setting is not required for the slave station.
The devices used in each pattern are occupied by all the stations for the N:N network.
1 ) In the case of pattern 0 (FX
0N
, FX
1S
, FX
1N
, FX
2N
, FX
2NC
)
Communication
device
Refresh range
Pattern 0
(FX
0N
, FX
1S
, FX
1N
,
FX
2N
, FX
2NC
)
Pattern 1
(FX
1N
, FX
2N
, FX
2NC
)
Pattern 2
(FX
1N
, FX
2N
, FX
2NC
)
Bit device (M) 0 point 32 points 64 points
Word device (D) 4 points 4 points 8 points
Station No.
Device No.
Bit device (M) Word device (D)
0 point 4 points
No.0

D0 to D3
No.1

D10 to D13
No.2

D20 to D23
No.3

D30 to D33
No.4

D40 to D43
No.5

D50 to D53
No,6

D60 to D63
No.7

D70 to D73
Note;
• Please set the refresh range to pattern 0. When setting it other than pattern 0, all FX
0N
and FX
1S
series units in the system experience a communications error.
In this case, please note that link time becomes as long as the FX
0N
and FX
1S
communication error is occurring.