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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
The methods used to confirm the unit version for the CP-series CP1H and
CP1L CPU Units are somewhat different.
CP1H CPU Units
CX-Programmer version 6.1 or higher can be used to confirm the unit version
using one of the following two methods. (See note.)
• Using the PLC Information
• Using the Unit Manufacturing Information
Note CX-Programmer versions lower than version 6.1 cannot be used to confirm
unit versions for CP1L CPU Units.
CP1L CPU Units
CX-Programmer version 7.1 or higher can be used to confirm the unit version
using the PLC Information. (See note.) The Unit Manufacturing Informa-
tion cannot be used.
Note CX-Programmer versions lower than version 7.1 cannot be used to confirm
unit versions for CP1L CPU Units.
CP1H-XA40DR-A
CPU UNIT
Lot No. 28705 0000 Ver.1.0
OMRON Corporation MADE IN JAPAN
Unit version
(Example for Unit version 1.0)
Lot No.
CP-series CPU Unit
Product nameplate
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