R3-NC1
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: [email protected]
EM-8355 Rev.15 P. 4 / 8
COMMUNICATION CABLE CONNECTIONS
DA
DB
DG
SLD
FG
MASTER UNIT
DA
DB
DG
SLD
FG
R3-NC1
DA
DB
DG
SLD
FG
I/O UNIT
TERMINATOR
blue
white
yellow
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
1
Module 5
1
Module 6
1
Module 7
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.
■
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.
Sixteen (16) data areas are available. Total data areas occupied by I/O modules must be within this limitation.
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 1
Module 5 1
Module 6 1
Module 7 1
Then the I/O data are assigned as in the figures below:
0
15
RWr n+0
+2
+4
+6
+8
+10
+12
+14
Module 1
Module 2
Module 3
Module 4
Module 5
Module 6
Module 7
0
15
RWw n+0
+2
+4
+6
+8
+10
+12
+14
Module 1
Module 2
Module 3
Module 4
Module 5
Module 6
Module 7
Sixteen (16) data areas are available to the R3-NC1. Total data areas occupied by I/O modules must be within this limitation.