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Unit Versions of CS/CJ/CP/NSJ-series CPU Units
Unit Versions
A “unit version” has been introduced to manage CPU Units in the
CS/CJ/CP/NSJ Series according to differences in functionality accompanying
Unit upgrades. This applies to the CJ2H, CS1-H, CJ1-H, CJ1M, CS1D, and
CP1H CPU Units.
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.
Unit version
Example for unit version 2.0
CS1H-CPU67H
CPU UNIT
Lot No. 031001 0000 Ver.2.0
OMRON Corporation MADE IN JAPAN
Produce nameplate CS/CJ/CP-series CPU Unit
Lot No.
• CS1-H, CJ1-H, and CJ1M CPU Units manufactured on or before Novem-
ber 4, 2003 do not have a unit version given on the CPU Unit (i.e., the lo-
cation for the unit version shown above is blank).
• The unit version of the CJ1-H-R CPU Units begins at version 4.0.
• The unit version of the CS1-H, CJ1-H, and CJ1M CPU Units, as well as the
CS1D CPU Units for Single-CPU Systems, begins at version 2.0.
• The unit version of the CS1D CPU Units for Duplex-CPU Systems begins
at version 1.1.
• The unit version of the CP1H/CP1L CPU Units begins at version 1.0, ex-
cept for the CP1H-Y@@@@-@, for which the unit version begins at version
1.1.
• CPU Units for which a unit version is not given are called Pre-Ver.
@
.
@
CPU Units, such as Pre-Ver. 2.0 CPU Units and Pre-Ver. 1.1 CPU Units.
Confirming Unit Versions
with Support Software
CX-Programmer version 4.0 or later can be used to confirm the unit version
using one of the following two methods.
• Using the PLC Information
• Using the Unit Manufacturing Information (This method can be used for
Special I/O Units and CPU Bus Units as well.)
Note CX-Programmer version 3.3 or lower cannot be used to confirm unit ver-
sions.
PLC Information
• If you know the device type and CPU type, select them in the Change PLC
Dialog Box, go online, and select PLC - Edit - Information from the
menus.
• If you don’t know the device type and CPU type, but are connected directly
to the CPU Unit on a serial line, select PLC - Auto Online to go online,
and then select PLC - Edit - Information from the menus.
In either case, the following PLC Information Dialog Box will be displayed.
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