Unit Versions
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NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)
The following information is provided in the Unit specifications on the Unit.
The following information is provided in the notched area on the Unit.
If your NX Unit is connected to a CPU Unit, refer to the user’s manual of the connected CPU Unit for the
confirmation method for the unit version of the NX Unit.
If your NX Unit is connected to a Communications Coupler Unit, refer to the user’s manual of the con-
nected Communications Coupler Unit for the confirmation method for the unit version of the Communi-
cations Coupler Unit and NX Unit.
The functions that are supported depend on the unit version of the Unit. The version of Support Soft-
ware that supports the functions that were added for an upgrade is also required to use those functions.
Refer to A-5 Version Information with CPU Units on page A-55 or A-6 Version Information with
Communications Coupler Units on page A-57 for the functions that are supported by each unit version.
Name Function
Unit model number Gives the model of the Unit.
Unit version Gives the unit version of the Unit.
Lot number Gives the lot number of the Unit.
DDMYY: Lot number, : Used by OMRON.
“M” gives the month (1 to 9: January to September, X: October, Y: November, Z: December)
Name Function
Lot number and
unit version
Gives the lot number and unit version of the Unit.
• DDMYY: Lot number, : Used by OMRON.
“M” gives the month (1 to 9: January to September, X: October, Y: November, Z: December)
•1: Unit version
The decimal portion of the unit version is omitted. (It is provided in the Unit specifications.)
Confirming Unit Versions with the Support Software
Unit Versions and Support Software Versions