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Revision History
A manual revision code appears as a suffix to the catalog number on the front cover of the manual.
The following table outlines the changes made to the manual during each revision. Page numbers refer to the
previous version.
Revision code Date Revised content
01 February 1999 Original production
02 September 1999 Page 18: Catalog number corrected for the CQM1 PC.
Pages 31, 117: The S+2 beginning read address for the first command word corrected for
CMND(490).
03 April 2000 Page 26: Internal communications setting added for DA1 and SA1.
Page 28: Values for node address changed in table.
Page 37: Last two sentences removed from SA2 description.
04 May 2001 Changes were made throughout the manual to include information for new products
(CJ1G-CPU44/45 and CJ1W-SCU41). In addition, the following changes were made.
Page 15: Information on words per frame and the response format for MS commands
added.
Page 18: Note added after first table.
Page 45: Information on formats for commands to and responses from the host computer
added.
Page 57: Information on end code 23 changed.
Page 60: Description of “UM Area, Read-protected” changed.
Page 63: Information added under “Limitations.”
Page 85: Text under second format diagram changed.
Page 88: Some error names in the response format diagram changed.
Page 118: Information on volume labels and file names changed.
Page 125: Information under “Comments” changed.
Page 131: Command format diagram changed.
Pages 154, 157, 158, 160, 161, 163, 164, 166, 167: Description of directory length
changed.
Pages 155, 157, 158, 160, 161, 163, 165, 166, 167: Description of absolute directory path
changed.
Page 156: Information on attribute, and date and time added. “12 bytes” removed from
response format diagram.
Pages 158, 160: Reference added under “file name.”
Page 160: Second paragraph under “Comments” removed.
Page 161: Sentence added to first paragraph. Reference added under “old and new file
names.”
Page 167: Changes made to information under “directory name.”
05 October 2001 Changes were made throughout the manual to include information for new products
(CS1G/H-CPU@@H and CJ1G/H-CPU@@H). In addition, the following changes were
made.
Page ix: Table updated.
Pages 16, 21: New models added.
Page 49: Response Wait Time description corrected.
Page 115: “06: Program missing” corrected.
Page 117: “02: Parity of checksum” corrected.
Page 118: “SFC” removed from “01: No access right.”
Page 120: Two illustrations added and top illustration reworded.
Page 125: “Hex” added.
Page 128: Notes added.
Page 132: Sentence added after table.
Page 135: Addition made to bottom of page.
Page 137: Sentence added toward end of 5-3-8.
Pages 139 and 140: Number corrected at end of 5-3-10 and 5-3-11.
Page 140: Number of bytes description corrected.
Page 141: “All clear” removed twice and “execution” changed to “cyclic” twice.
Page 143: Addition made to command format and sentence added to end of 5-3-14.
Page 144: End of C
PU Unit model and version description corrected.
Page 145: “Always 23” added to table.
Page 151: Addition made to response format.
Page 161: Last two lines removed.
Page 162: End of 5-3-28 corrected.
Page 178: Note moved.
Page 179: Table column removed.
Cat. No. W342-E1-14
Revision code
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