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Unit Version Notation on Products
Loop Control Boards A “unit version” has been introduced to manage CPU Units, Special I/O Units,
and Inner Boards in the CS/CJ Series according to differences in functionality
accompanying upgrades. This system applies to Units manufactured since
October 1, 2003. The unit version code is provided on the nameplate of the
product for which unit versions are being managed, as shown below for the
Loop Control Board.
The CX-Process Tool can be used to confirm the unit versions of Loop Control Boards in the Monitor
Run Status Window. After connecting the CX-Process Tool online, select Operation – Monitor Run
Status from the Execute Menu. Confirm the unit version in ITEM099 (MPU/FROM version display)
under from the System Common Block (Block Model 000) in the Monitor Run Status Window.
Version V1.50 and onwards must be indicated.
Product nameplate
Loop Control Board
Unit version
Example for unit version 1.5
ITEM Data name Data
099 MPU/FROM version indication V1.50
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