Message Communications With Io-Link Devices - Omron NX Series User Manual

6-3-3

Message Communications with IO-Link Devices

This section describes message communications for the IO-Link devices from OMRON Controllers.
These communications are performed with instructions that read/write the IO-Link device objects
the IO-Link devices.
*1. For the objects of OMRON IO-Link devices, refer to the Index List of the IO-Link devices in Related Manuals
on page 21.
For details on the communications instructions of message communications from another company's
controller, refer to the message communications with each system configuration in A-1 Other System
Configurations on page A-2. For the condition for message communications, refer to Conditions for
Message Communications with IO-Link Devices on page 6-11.
EtherCAT Communications or NX Bus Communications
Communications conditions, communications instructions and program examples for message com-
munications with the IO-Link devices are described below.
Host controller
Communications
instruction
• EtherCAT
• NX bus
l Conditions for Message Communications with IO-Link Devices
The following conditions must be met.
• Communications must be established between the controller and the IO-Link Master Unit.
• Communications must be established between the IO-Link Master Unit and the IO-Link devices.
NX/GX-series IO-Link System User's Manual (W570)
NJ/NX-series CPU Unit or NY-series Industrial PC
Communications instructions for IO-Link devices
IO-Link Master Unit
• Parameters
• Status other than
I/O data
IO-Link
IO-Link device
IO-Link device
• Parameters
• Status and software switches
other than for I/O data
• All I/O data and other object
data
6 IO-Link System Communications
IO-Link
• Parameters
• Status and software switches
other than for I/O data
• All I/O data and other object
data
*1
in
6
6-11