1 Device Link Communication
3-2 WindO/I-NV4 User’s Manual
● Connection Types
There are two basic types of connections. 1:1 Communication, where an external device is connected to a
MICRO/I; and 1:N Communication, where multiple external devices are connected to a MICRO/I.
■ 1:1 Communication
The MICRO/I is connected to a single external device.
■ 1:N Communication
The MICRO/I is connected to multiple external devices.
1.2 Device Link Communication Settings
The external devices connected to the MICRO/I are selected on the Select Communication Driver dialog box, or the
Communication Driver tab on the Project Settings dialog box.
• By clicking , and then clicking New, following displayed dialog boxes and configuring settings, the Select
Communication Driver dialog box is displayed. For details, refer to Chapter 4 “Create new project data by using the
interactive quick start” on page 4-1.
• Click Communication Driver on the status bar to display the Communication Driver tab on the Project
Settings dialog box tab on the Project Settings dialog box. For details, refer to Chapter 4 “Changing Communication
Drivers” on page 4-21.
Specify Manufacturer and Communication Driver for each CPU Unit
*1
or each PLC Link Unit
*1
of the external
device. For details regarding the correspondence model, refer to the WindO/I-NV4 External Device Setup Manual.
*1 Unit names vary based on the manufacturer of the external device.
MICRO/I
External device
Read
Write
Device Link Communication
MICRO/I
Station No.1
Station No.2
Station No.3
External device
Read
Write
Read
Write
Read
Write
Device Link Communication
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