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74
CIO Area Allocations
Section 4-2
Bit
Name
Status
Manipulated
by
Unit operation
0
Unit Error Occurred
ON
Unit
Indicates that an error
occurred that is related to
EtherNet/IP Unit operation.
This flag is turned ON when
any bit in Unit Status 1 is
ON. (Bits 1 to 15 are logi-
cally ORed.)
OFF
Unit
Indicates that a Unit error
did not occur. This flag is
turned OFF when the error
is cleared.
1
Network Error
Occurred
ON
Unit
One or more network-
related errors occurred.
(The bits in Communica-
tions Status 1 and 3 are log-
ically ORed.)
OFF
Unit
Indicates that a network
error did not occur. This flag
is turned OFF when the
error is cleared.
2 to 3
(Not used)
---
---
---
4
Unit Memory Error
ON
Unit
Indicates that an error
occurred in accessing the
Unit’s internal non-volatile
memory (device error).
OFF
Unit
Indicates that a non-volatile
memory error did not occur.
This flag is not cleared even
if it occurs one time. (Flag
remains ON.)
5
Communications
Controller Error
ON
Unit
Indicates that an error
occurred in the communica-
tions controller.
OFF
Unit
Indicates that a communica-
tions controller error did not
occur. This flag remains ON
until the power supply is
turned OFF and ON again.
6
IP Address Duplica-
tion Error
ON
Unit
An ARP was sent with the
specified IP address, indi-
cating that an IP address
duplication was detected.
An address duplication is
detected if there is an ARP
response. This flag remains
ON until the power supply is
turned OFF and ON again.
(The Ethernet interface will
stop.)
OFF
Unit
There was no ARP
response.
7 to 8
(Not used)
---
---
---
9
Link OFF Error
ON
Unit
There was an error estab-
lishing a link with the switch-
ing hub.
OFF
Unit
A link was established nor-
mally with the switching hub.
Содержание CJ2H-CPU6 - REV 02-2010
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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...
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