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Troubleshooting Using Indicators
Section 9-1
Not lit Not lit Not lit Not lit Power is not being sup-
plied correctly to the PLC.
Check the power supply
voltage and supply at the
recommended voltage.
The Controller Link Unit
has become loose.
Secure the Controller Link
Unit firmly.
The Controller Link Unit is
mounted in the wrong posi-
tion.
or
and
mount the Unit correctly.
The Controller Link Unit is
faulty.
If the indicators do not light
when the Unit is mounted
in another PLC, replace
the Controller Link Unit.
Lit
Lit
---
Not lit The same node address is
being used by two different
Units.
Reset so that each node
address is used only once
within the same Network.
The Unit is connected to a
SYSMAC LINK Network
(Optical Units only).
Check the Network and
reconnect cables correctly.
Lit
---
Lit
---
Routing table setting error
Remake and set the rout-
ing table correctly, referring
to
When no routing
table is being used, delete
the routing table.
The Unit is mounted to a
non-compatible PLC.
and reinstall the Unit on
the appropriate PLC.
An error has occurred in
the PLC.
Refer to the PLC’s opera-
tion manual and correct
the error. If the error occurs
again, replace the PLC.
EEPROM error
, cor-
rect the data where the
error has occurred, and
reset the Unit. If the error
occurs again, replace the
Controller Link Unit.
Two Units connected to the
same PLC have the same
unit number.
Reset so that Units con-
nected to the same PLC
(including the CPU Expan-
sion Racks), do not have
the same unit number.
Either there is an error in
the PLC I/O table or no
table has been created.
Create a correct I/O table
for the PLC.
Indicators
Probable cause
Probable remedy
RUN
ERC
ERH
INS
Содержание C200HW-CLK21
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Страница 9: ...x ...
Страница 12: ...xiii TABLE OF CONTENTS Index 367 Revision History 373 ...
Страница 13: ...xiv ...
Страница 19: ...xx ...
Страница 57: ...32 Application Precautions Section 1 5 Example CX Programmer Response Timeout Setting ...
Страница 69: ...44 Message Service Procedure Section 2 2 ...
Страница 111: ...86 Constructing Networks with Repeater Units Section 3 4 ...
Страница 154: ...129 Setting Data Links Section 5 2 Device Information Setting Data Link Tables ...
Страница 261: ...236 Response Codes Section 6 7 ...
Страница 297: ...272 Message Delay Times Section 8 4 ...
Страница 353: ...328 Handling Precautions Section 9 6 ...
Страница 364: ...339 Changing the Data Link Tables with Active Data Links Section 10 2 ...
Страница 365: ...340 Changing the Data Link Tables with Active Data Links Section 10 2 ...
Страница 369: ...344 Standard Models Appendix A ...
Страница 391: ...366 Using the Relay Terminal Block Appendix C ...
Страница 397: ...372 Index ...
Страница 401: ...376 Revision History ...