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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.
Cat. No. W303-E1-4
Revision code
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
1 June 1996 Original production
2 January 1998
All Pages: “LSS” replaced with “SYSMAC Support Soft-
ware.”
Pages xiv, xvi: Cautions added.
Page 7: One “4000” changed to “4096.”
Page 19: Added information on operation without a back-
up battery.
Page 27, 70: CompoBus/D added to IR/SR allocation
table.
Page 18: Model specifications removed from last table.
Page 30: Note added on Special I/O Unit limitations.
Page 31: Function of SR 25208 corrected.
Pages 43, 44 : Error code tables changed.
Page 47: Function added for AR 0709.
Page 48: Functions added for AR 2411 and AR 2412.
Page 51: Table on clock accuracy added.
Page 89: Power supply cycling information added to step
4 at the top of the page.
Page 67: I/O comment description changed in table.
Page 58: Paragraph added before table, description of
DM 6602 rewritten, and “6. Peripheral Port Settings (DM
6650 through DM 6654)” removed from list of settings
possible from SSS.
Page 64: Description of Special I/O Unit Settings cor-
rected.
Page 86, 87: Information added on use of SHIFT key to
input hexadecimal A to F.
Page 123: Added “DM 6623.”
Page 139, 144, 342, 359, 509: CMCR added.
Page 158, 164: Precautions added on programming tim-
ers and counters.
Page 237: Program corrected.
Page 265: Corrected graphic (including callout).
Page 267: Added graphics.
Page 278 on: Subroutine numbers corrected to three
digits.
Page 264: Modified description of integral time, derivative
time, and time unit.
Page 301: Changed numeric values for WDT(94).
Page 302: “I/O numbers” corrected to “unit numbers.”
Page 311: Added sentence before last table.
Pages 313 to 316: Controller Link information add to
SEND/RECV.
Page 314: Added indirect designation for source/destina-
tion beginning word.
Page 321, 322: Notes added.
Page 346: PC card servicing added.
Page 347: Special I/O refresh times corrected.
Page 357: Condition for SRCH corrected.
Page 413: Operand corrected to “#0256.”
Page 416: Information added on use restrictions.
Page 416: Table of maximum number of PTs added and
information added to table.
Page 429: Simplified CPU Unit troubleshooting procedure
added.
3 January 2000
Page xiv: Safety precautions rearranged and reworded.
Page 20: Details of communications parameters set in pin
5 of CPU Unit DIP switch changed.
Page 21: Added graphics and Always OFF Flag name.
Page 34 to 37: Changed function details for bits 25412,
26400 to 26403, 26408 to 26411, 26714, 26715, 27004 to
27010, 27200 to 27210, 27303 to 27307, 27503, 27505,
27508 to 27515, 28100 to 28115.
Page 45 and 46: Added error conditions for timeout error.
Page 56: Added information for DM6031.
Page 59: Corrected I/O bus error code.
Page 61 to 65: Changed minimum servicing time for DM
6613, DM 6614, and DM 6617. Added serial communica-
tions mode for standard port settings in DM 6645 and DM
6650. Changed wording for one-to-one links. Corrected set-
ting for serial communications mode setting in bits 12 to 15
of DM 6650.
Added condition for use of host link mode with the Peripheral
Port.
Page 153: Information added on executing SET and RESET
instructions.
Page 186: Corrected stack pointer details.
Page 187: Changed operand information.
Page 195: Changed operand information.
Page 200: Changed address details.
Page 320: Added EM area designation information for C-se-
ries PCs.
Page 332 and 333: Added operand information.
Page 355: Corrected bit number of SEND(90)/RECV(98)
Enable Flag.
Page 361: Added refresh times for other Special I/O Units.
Page 428: Added graphic.
Page 430: Changed graphic.
Page 446: Added CPU error information.
Page 447: Added error codes.
Page 468: Corrected beginning words of DM AREA WRITE-
WD command.
Page 500 to 503: Corrected and added new model numbers
and specifications.
Page 510 and 511: Corrected model numbers.
4 June 2000 Page v: Minor change made to safety information.
Page 20: Change made to function information for pin 5.
Pages 160, 164, 165: Precautionary information on timers added.
Page 333: Row added to table next to ladder diagram. Note added to middle
graphic and after bottom table.