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329
Troubleshooting
Section 11-3
The serial com-
munications
mode is set to no-
protocol mode.
---
With Serial
Communica-
tions Boards:
The
RXD(235)
instruction
was sent, but
reception is
not being
executed.
The ER Flag (type of condi-
tion flag) is ON.
The setting con-
tents indicated by
the operand in the
RXD(235) instruc-
tion is incorrect.
Review the con-
tents of the oper-
and for the
RXD(235) instruc-
tion.
Auxiliary Area bit A42404
(Inner Board service failure:
(non-fatal error)) is ON.
The RXD(235)
instruction was
sent to a pre-
Ver.1.2 Board that
does not support
no-protocol com-
munications, or a
Board is not
installed.
Replace the Board
with one that is
Unit Ver. 1.2 or
later, or install a
Board.
---
The Overrun Error Flag is
ON.
Board: CIO 190804/CIO
191804 is ON.
Unit: CIO Area word n+8/
n+18 bit 04 is ON.
Data of 260 bytes
or higher was
received in the
reception buffer
during execution of
the RXD(235)/
RXDU(255)
instruction.
Cycle the power or
restart the Board,
and clear the
reception buffer.
Note: If an overrun
error occurs, the
Overrun Error Flag
can be turned OFF
by cycling the
power or restarting
the Unit/Board or
restarting the port.
---
The Reception Overrun Flag
is ON
Board: Auxiliary Area bit
A35607/A35615 is ON.
Unit: CIO Area word n+9/
n+19 bit 07 is ON.
After reception was
completed (after
the Reception
Completed Flag
turned ON), further
data was received
(1 byte or more).
After data recep-
tion is completed
(after Reception
Completed Flag
turns ON), re-exe-
cute the RXD(235)/
RXDU(255)
instruction.
Error conditions
Words allocated in CIO
Area
Cause
Remedy
Serial communi-
cations mode
Indicator
display
Status and
other condi-
tions
Содержание SYSMAC CJ1W-SCU21-V1
Страница 3: ...iv...
Страница 5: ...vi...
Страница 9: ...x...
Страница 15: ...xvi...
Страница 89: ...60 Basic Operating Procedure Section 1 9...
Страница 151: ...122 RS 232C and RS 422A 485 Wiring Section 3 4...
Страница 173: ...144 Host Link Function for Replacing Existing PLCs Section 4 6...
Страница 223: ...194 Enhanced Protocol Macro Functions Section 5 6...
Страница 277: ...248 Communications Frames Section 6 8...
Страница 291: ...262 Basic Operating Procedure in No protocol Mode Section 7 4...
Страница 301: ...272 Auxiliary Area and CIO Area Allocations Section 8 3...
Страница 391: ...362 Introduction Appendix A...
Страница 421: ...392 CompoWay F Master Protocol Appendix B...
Страница 513: ...484 E5 K Digital Controller Read Protocol Appendix F...
Страница 571: ...542 E5ZE Temperature Controller Write Protocol Appendix I...
Страница 587: ...558 E5 J Temperature Controller Protocol Appendix J...
Страница 627: ...598 ES100 Digital Controller Protocol Appendix K...
Страница 661: ...632 V500 V520 Bar Code Reader Protocol Appendix M...
Страница 697: ...668 3Z4L Laser Micrometer Protocol Appendix N...
Страница 717: ...688 Visual Inspection System Protocol Appendix O...
Страница 755: ...726 V600 V620 ID Controller Protocol Appendix P...
Страница 763: ...734 Hayes Modem AT Command Protocol Appendix Q...
Страница 767: ...738 Changing Communications Port Settings Using STUP 237 Appendix R...
Страница 781: ...752 Revision History...