Omron NX-series User Manual page 43

Example for a Digital Input Unit:
Input Bit 00
Example for an Analog Output Unit:
Ch1 Analog Output Value
Registering Device Variables
You assign device variables to I/O ports in the I/O Map of the Sysmac Studio. The device variables
that you create are registered in the variable table.
Refer to the Sysmac Studio Version 1 Operation Manual (Cat. No. W504) for details on registering de-
vice variables with the Sysmac Studio.
Device Variable Attributes
The attributes of the device variables are described in the following table. You can change the settings
of some of the attributes, but not all of them.
Attrib-
ute
Variable The variable name is used to identify the varia-
Name ble.
Data The data type defines the format of the data
Type that is stored in the variable.
AT Spec- If you want to handle an I/O port for an NX Unit
ification as a variable, specify the address to assign to
that variable.
Retain Specify whether to retain the value for one of
the following situations:
•
When power is turned ON after a power in-
terruption
•
When the mode is changed to RUN mode
•
When a major fault level Controller error oc-
curs
NX-series Communication Control Unit Built-in Function User's Manual (Z396)
Description
3 Management Functions for NX Units
Setting
Automatically generated variables:
[device_name] + [I/O_port_name]
The default device name starts with
a N followed by a sequential
number starting from 1.
If entered manually, the variable
name is the string you enter.
According to the data type of the
I/O port.
•
NX Units on the Communication
Control Unit
IOBus://
unit#[NX_Unit_number]/[I/
O_port_name]
•
Device variables for NX Units:
Not retained.
3
Changes to
settings
Allowed.
Allowed.
Not allowed.
Not allowed.
3 - 5