LOT No.
Lot number and unit version Unit model number
Unit versionLot number
The following information is provided in the Unit specifications on the Unit.
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)
The following information is provided in the notched area on the Unit.
Name Function
Lot number and unit ver-
sion
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
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.
If your NX Unit is connected to a Communication Control Unit, refer to the user’s manual of the con-
nected Communication Control Unit for the confirmation method for the unit version of the NX Unit.
Unit Versions
31
NX-series System Units User's Manual (W523)
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