
vii
Using the Unit Version Labels
Unit version labels are provided with the product. These labels can be attached to the front of previous
Controller Link Units to differentiate between Controller Link Units of different unit versions.
Unit Version Notation
The unit versions are indicated in this manual as follows:
Function Support by Unit Version
Note 1. Use the CX-Net in CX-Programmer version 5.0 or later to set a data link area
in which the number of send and receive words exceeds 12,000 words, or to
set data link tables that allocate the same area for Area 1 and Area 2.
2. Use the CX-Integrator Data Link Setting Tool version 3.2.1.1 or later to set data
link tables with more than 1,000 send words per node. For information on
checking the version number, refer to Checking the CX-Integrator Data Link
Setting Tool Version on page viii.
Unit Versions and Manufacturing Dates/Lot Numbers
Notation in product nameplate Notation in this manual Remarks
Ver.1.2 or later after the lot number CS-series Controller Link Units
with unit version 1.2 or later
Information for which no particular
version is specified applies to all
unit versions.
Blank after the lot number Pre-Ver. 1.2 CS-series Controller
Link Units
Functions Unit version 2.0 Unit version 1.2 Earlier version
(Pre-Ver. 1.2)
CS1W-CLK13
CS1W-CLK53
CS1W-CLK12-V1
CS1W-CLK52-V1
CS1W-CLK12-V1
CS1W-CLK52-V1
Maximum number of data link
words (data link area for sending/
receiving that is created for a sin-
gle node in a single CPU Unit)
20,000 max. (See note 1.) 12,000 max.
Number of send words per node
(total of area 1 and area 2)
4,000 words max.
(See note 2.)
1,000 words max.
Data Link Area The same area can be allocated for both Area
1 and Area 2.
The same area cannot
be allocated for both
Area 1 and Area 2.
Maximum number of Units con-
nected to a single CPU Unit
8 Units 4 Units
Number of error log records 64 records max. 39 records max.
Model Until July 2004 From August 2004 From September 2007
CS1W-CLK12-V1 Pre-Ver. 1.2 Unit version 1.2
(Lot No. 040801 and later)
CS1W-CLK52-V1
CS1W-CLK13 --- --- Unit version 2.0
CS1W-CLK53