l Communications Instructions for IO-Link Master Unit
Use the following read instructions and write instructions for the communications instructions to the
IO-Link Master Unit.
IO-Link Master
Units
NX-type
GX-type
The controller can access the following objects of the IO-Link Master Unit using the above commu-
nications instructions.
• For NX-type: NX objects
• For GX-type: CoE objects
For details of the communications instructions, refer to the instructions reference manual for the
connected CPU Unit or Industrial PC.
EtherNet/IP Communications
Controller
Communications
instruction
EtherNet/IP
NX/GX-series IO-Link System User's Manual (W570)
Read instructions
NX_ReadObj (Read NX Unit Object) in-
struction
EC_CoESDORead (Read EtherCAT CoE
SDO) instruction
NJ/NX-series CPU Unit, NY-series Industrial PC, or CJ/CP/CS-series PLC
Communications instructions
for IO-Link Master Unit
IO-Link Master Unit
All objects except
for those for I/O data
IO-Link
IO-Link device
IO-Link device
6 IO-Link System Communications
Write instructions
NX_WriteObj (Write NX Unit Object) in-
struction
EC_CoESDOWrite (Write EtherCAT CoE
SDO) instruction
IO-Link
6
6-9