R3-NC2
P. 4 / 7
EM-842 Rev.8
TRANSMISSION DATA DESCRIPTIONS
The DIP SW located at the side of the module specifies each I/O module’s data allocation (occupied data area).
For example, when the data areas are assigned as shown below:
Module 1
4
Module 2
4
Module 3
4
Module 4
4
Module 5
4
Module 6
1
Module 7
1
Module 8
1
Then the I/O data are assigned as in the figures below:
■
OUTPUT DATA
The figure below shows the allocation of the data sent from
the network module to the master.
■
INPUT DATA
The figure below shows the allocation of the data sent from
the master to the network module.
Thirty-two (32) data areas are available to the R3-NC2. Total data areas occupied by I/O modules must be within this limi-
tation.
0
15
RWr n+0
+2
+4
+6
+8
+10
+12
+14
Module 1
Module 2
Module 3
+16
+18
Module 6
+20
Module 7
Module 8
+22
+30
Module 4
Module 5
Unused
0
15
RWw n+0
+2
+4
+6
+8
+10
+12
+14
Module 1
Module 2
Module 3
+16
+18
Module 6
+20
Module 7
Module 8
+22
+30
Module 4
Module 5
Unused
