69
SECTION 6
Remote I/O Communications
This section shows how to use remote I/O communications with the DeviceNet Interface Unit and how to use the PT when
using remote I/O communications.
6-1
Overview of Remote I/O Communications
70
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1-1
Data Exchange with the DeviceNet Interface Unit
70
. . . . . . . . . . . . . . . . . . . . . . . .
6-2
Settings with the NT-series Support Tool
72
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-2-1
Setting the PT Model and PC Model
72
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-2-2
Allocating Required Areas and Elements in PT Memory
72
. . . . . . . . . . . . . . . . . . .
6-2-3
Allocation Example
74
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3
Allocating PT Memory to the Host (Master)
74
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3-1
Allocating Input and Output Areas to PT Memory
74
. . . . . . . . . . . . . . . . . . . . . . . .
6-3-2
Allocating Input and Output Areas to the Master
76
. . . . . . . . . . . . . . . . . . . . . . . . .
6-4
Allocating PT Data to PT Memory
81
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-4-1
Precautions when Allocating Data to PT Memory
81
. . . . . . . . . . . . . . . . . . . . . . . .