Omron NX Series User Manual page 129

EtherNet/IP Communications
Communications conditions and communications instructions for message communications with the
IO-Link devices are described below.
Host controller
Communications
instruction
EtherNet/IP
Precautions for Correct Use
When you connect an NX-type IO-Link Master Unit to an EtherNet/IP Coupler Unit and perform
message communications with the IO-Link devices from the controller, use the EtherNet/IP
Coupler Unit with unit version 1.2 or later.
For unit version 1.1 or earlier, the message communications are not available.
l Conditions for Message Communications with IO-Link Devices
It is the same as communications with EtherCAT or NX bus. Refer to Conditions for Message Com-
munications with IO-Link Devices on page 6-11 for details.
l Communications Instructions for IO-Link Devices
Use the following read instructions and write instructions for each controller for message communi-
cations to IO-Link devices.
• Using an NJ/NX-series CPU Unit or NY-series Industrial PC as the Controller
NX/GX-series IO-Link System User's Manual (W570)
NJ/NX-series CPU Unit,
NY-series Industrial PC,
or CJ/CP/CS-series PLC
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
6
6-13