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Revision History
04 February 2003 Page xi: Changes made in several places.
Page 71: Changes made to the description of Unit operation for bit 7 in the
table.
Page 89: Minor changes made to ladder diagram.
Page 93: Minor changes made to table next to ladder diagram.
Pages 100, 101: Changes made to sample program in several places.
Page 106: Changes made to the end of the second paragraph under “UDP
Communications.”
Page 117: Minor change made to paragraph under “Time Out Time.”
Pages 134, 138, 152, 158: Notes added under programming examples.
Page 152: Numerical changes made in several places.
Page 215: Note added under fourth paragraph.
Pages 220, 237, 238, 245: Changes made to diagrams showing response block
format.
Page 235: Changes made to diagram showing command block format.
Page 261: Lines removed in four places.
05 June 2003 Revisions were made, as follows:
Page 194: Error status for bit 07 changed for CJ1W-ETN11 and corresponding
note removed.
Page 247: Added number of bytes for each part of the socket status.
06 July 2005 Page v: Information on general precautions notation added.
Page xiii: Information on liability and warranty added.
Page xvii: EN50081-2 changed to EN61000-6-4 in table.
07 January 2008 Page 5: Removed the RH509E from the bottom table.
Pages 71, 194, 219, 220, and 271: Changed "address disagreement" to
"address mismatch."
Page 258: Changed one straight cable to a cross cable in the top diagram.
Revision code Date Revised content