A-2
NX Objects
A-2-1
Format of NX Object Descriptions
In this manual, NX objects are described with the following format.
Index
(hex)
Subindex
(hex)
Object name Default value Data range Unit Data type
Ac-
cess
I/O
allo-
cati-
on
Data
at-
trib-
ute
Index (hex) : This is the index of the NX object that is expressed as a four-digit hexadecimal number.
Subindex (hex) : This is the subindex of the NX object that is expressed as a two-digit hexadecimal number.
Object name : This is the name of the object. For a subindex, this is the name of the subindex.
Default value : This is the value that is set by default.
Data range : For a read-only (RO) NX object, this is the range of the data you can read. For a read-write
(R
W) NX object, this is the setting range of the data.
Unit :
The unit is the physical units.
Data Type : This is the data type of the object.
Access : This data tells if the object is read-only or read/write.
RO: Read-only
R
W
: Read/write
I/O allocation : This tells whether I/O allocation is allowed.
Data attribute : This is the timing when changes to writable NX objects are enabled.
Y: Enabled by restarting
N: Enabled at all times
---: W
rite-prohibited
A-2-2
Safety CPU Unit (NX-SL3300/NX-SL3500)
Unit Information Object
This object gives the product information.
Appendices
A - 5
NX-series Safety Control Unit User's Manual (Z930)
A-2 NX Objects
A
A-2-1 Format of NX Object Descriptions