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Unit Versions of CP-series CPU Units
Unit Versions A “unit version” has been introduced to manage CPU Units in the CP Series
according to differences in functionality accompanying Unit upgrades.
Notation of Unit Versions
on Products
The unit version is given to the right of the lot number on the nameplate of the
products for which unit versions are being managed, as shown below.
Confirming Unit Versions
with Support Software
CX-Programmer version 7.3 or higher can be used to confirm the unit version
of the CP1L-L CPU Unit with 10 I/O points.
CX-Programmer version 7.22 or higher can be used to confirm the unit ver-
sion of the CP1L-J CPU Unit.
CX-Programmer version 7.1 or higher can be used to confirm the unit version
of the CP1L-L and CP1L-M CPU Unit with 14, 20, 30, 40 or 60 I/O points.
Note CX-Programmer version 7.2 or lower cannot be used to confirm unit versions
for CP1L-L CPU Units with 10 I/O points.
CX-Programmer version 7.21 or lower can be used to confirm the unit version
of the CP1L-J CPU Unit.
CX-Programmer version 7.0 or lower cannot be used to confirm unit versions
for CP1L-L and CP1L-M CPU Units with 14, 20, 30, 40 or 60 I/O points.
Lot No.
Product nameplate
CP-series CPU Unit
Unit version (Example for Unit version 1.0)
CP1L-M40DR-A
CPU UNIT
Lot No. 28705 0000 Ver.1.0
OMRON Corporation MADE IN CHINA