Omron NX-ECC201 User Manual

A - 7
Appendices
NX-series EtherCAT Coupler Unit User’s Manual (W519)
A-3 Special Instructions
A
A-3-1 Instructions
A-3 Special Instructions
The following table lists the instructions that you can use in the NJ-series CPU Unit for the Communica-
tions Coupler Unit and the NX Units.
Refer to the NJ-series Instructions Reference Manual (Cat. No. W502-E1-07 or later) for details on the
instructions.
Refer to the NJ-series CPU Unit Software User’s Manual (Cat. No. W501) for information on how to cre-
ate a user program that use these instructions.
This section describes the methods that you use to specify the target Unit or NX objects in special
instructions.
Use a variable assigned to the Unit to specify the target Unit in a special instruction. You must register
the variables and assign them to the Units in advance. Refer to the NJ-series CPU Unit Software User’s
Manual (Cat. No. W501-E1-06 or later) for details.
To specify an NX object in a special instruction, use the index and subindex for that NX object.
A-3-1 Instructions
Type Instruction Name Outline of function
System control
instructions
NX_ChangeWrite
Mode
Change to NX Unit
Write Mode
This instruction changes the specified Communi-
cations Coupler Unit or NX Unit to the mode that
allows the writing of data.
*1
*1. You can write the parameters that are updated without restarting the Unit at any time.
NX_SaveParam Save NX Unit
Parameters
This instruction saves data that is written to the
specified Communications Coupler Unit or NX
Unit.
*2
*2. Always execute the NX_SaveParam instruction after you execute the NX_WriteObj instruction. If you do not
execute the NX_SaveParam instruction, the object data will return to the values before the NX_WriteObj in-
struction was executed when the Unit is restarted.
RestartNXUnit Restart NX Unit This instruction restarts the specified Communica-
tions Coupler Unit and all NX Units that are con-
nected to it.
Communications
instructions
NX_ReadObj Read NX Unit
Object
This instruction reads data from the NX object for
the specified Communications Coupler Unit or NX
Unit.
NX_WriteObj Write NX Unit
Object
This instruction writes data to the NX object for the
specified Communications Coupler Unit or NX
Unit.
*2
A-3-2 Specifying the Targets for Instructions
Specifying Units
Specifying NX Objects

Omron NX-ECC201 Specifications

General

Brand	Omron
Model	NX-ECC201
Category	Controller
Language	English