Omron NX-ECC201, User Manual, Page: 28 / 406

Unit Versions
26 NX-series EtherCAT Coupler Unit User’s Manual (W519)
Unit Versions
This section describes the notation that is used for unit versions, the confirmation method for unit ver-
sions, and the relationship between unit versions and Sysmac Studio versions.
A “unit version” has been introduced to manage the Units in the NX Series according to differences in
functionality accompanying Unit upgrades.
The unit version is given with the Unit specifications on the side of the Unit or in the notched area.
The following information is provided in the Unit specifications on the Unit.
Unit Versions
Notation of Unit Versions on Products
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)
Notched
area
Unit
specifications
LOT No.
Unit version Lot number
Unit model number Lot number and unit version