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Revision History
06 February 2003 “PC” changed to “PLC” throughout the manual. Information related to the
CQM1H-CLK21 was added and information related to the CS1W-CLK21 was
removed. In addition, the following changes were made.
Page v: Changes made to information on product references.
Pages 17, 73, 104, 272: Information on software switches added.
Pages 52, 55: Changes made to table giving baud rates.
Pages 79, 80: “-EV@” added to model numbers in several of places.
Page 100: Parenthetic information added to first paragraph.
Page 107: Programming examples added.
Pages 137, 141: Numerical change: 120000 changed to 121000.
Pages 214, 216: “Scan” changed to “cycle” in several places.
Page 250: Minor change made to first paragraph.
07 June 2003 Numerous changes were made to add the new functions and features of CS1W-
CLK21-V1 and CJ1W-CLK21-V1 Units and the CS1W-PRT01/02/03 Repeater
Units.
08 September 2004 Extensive changes were made to the manual mainly to add information on the
upgraded functionality of new unit versions, including an overview of the new
system of unit version codes.
09 January 2006 "CS1-series" changed to "CS-series" throughout the manual.
Page v: Information on general precautions notation added and
copyright information moved from page vii.
Page xv: Information on liability and warranty added.
Pages 115, 117, 119, and 120: "PC" changed to "PLC."
Revision code Date Revised content