![background image](http://html1.mh-extra.com/html/omron/cj2h-cpu6-rev-02-2010/cj2h-cpu6-rev-02-2010_operation-manual_740798379.webp)
353
Using the LED Indicators and Display for Troubleshooting
Section 14-2
Errors Related to Memory
Access
The 7-segment display alternates between the node address and error code.
Indicator
Error
Cause
Unit operation (Flag
status)
Error
log
(hex)
Countermeasure
MS
NS
7-segment
Flashing
red
---
E9
Memory
Access Error
An error
occurred in the
Unit's non-vola-
tile memory
itself. This error
will occur in the
following cases.
1. An error oc-
curred while
writing the er-
ror log.
2. An error oc-
curred while
writing the
device pa-
rameters.
Note:
This error does
not indicate
checksum errors
detected when
reading data.
Case 1:
The error record
remains in RAM only.
Subsequent writes to
non-volatile memory
are all ignored. Other
than that, normal
operation continues.
(Error records con-
tinue to be written to
RAM.)
Case 2:
Tag data links and
message communica-
tions will continue
operating.
The Unit Error
Occurred Flag (n+10,
bit 00), Unit Memory
Error Flag (n+10, bit
04), and Non-volatile
Memory Error Flag
(n+14, bit 15) will turn
ON.
0602
Download the Unit
Setup from the tab
pages of the Edit
Parameters Dialog
Box of the CX-Pro-
grammer and
download the
device parameters
from the Network
Configurator. If the
error recurs,
replace the Ether-
Net/IP Unit or (for a
built-in EtherNet/IP
port) the CPU Unit.
Содержание CJ2H-CPU6 - REV 02-2010
Страница 2: ......
Страница 4: ...iv...
Страница 6: ...vi...
Страница 14: ...xiv...
Страница 18: ...xviii...
Страница 38: ...12 Network Configurator Overview Section 1 5...
Страница 58: ...32 Selecting the Network Devices Section 2 3...
Страница 116: ...90 Auxiliary Area Data Section 4 5...
Страница 222: ...196 Message Communications Errors Section 7 6...
Страница 364: ...338 Using the Backup Tool Section 13 3...
Страница 402: ...376 CS CJ series Ethernet Unit Function Comparison Appendix A...
Страница 404: ...378 Ethernet Network Parameters Appendix B...
Страница 406: ...380 TCP Status Transitions Appendix C...
Страница 452: ...426 Precautions for Using Windows XP Vista or Windows 7 Appendix G...
Страница 460: ...434 Index...
Страница 462: ...436 Revision History...
Страница 463: ......