CV500BC031 Omron, CV500BC031 Datasheet - Page 313
CV500BC031
Manufacturer Part Number
CV500BC031
Description
Programmable Logic Controller
Manufacturer
Omron
Datasheet
1.CV500BC031.pdf
(403 pages)
Specifications of CV500BC031
Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Troubleshooting with LNK and M/A Indicators
Data Link Cannot be
Started
288
Troubleshooting Using Indicators
The following table describes the LNK and M/A indicators at the startup node
and their use in troubleshooting when a data link cannot be started.
Starting a data link depends on the Controller Link Unit operating normally
and participating in the Network. Refer to Troubleshooting with RUN, ERC,
ERH and INS Indicators earlier in this section and check Unit operation before
using the following table.
Lit
Flashing ---
Not lit
Not lit
LNK
Indicators
---
Lit
Not lit
M/A
Data link operating normally.
There is an error in the data
link tables.
When manual setting is used,
either data link tables have not
been created for the startup
node or there is an error in the
data link tables.
When automatic setting is
used, either the data link
parameters for the startup
node have not been set or
there is an error in the data link
tables.
Automatic setting is used with
1:N allocations, but the device
does not support this function.
Manually set data links are
already operating on the same
Network.
Automatically set data links
are already operating on the
same Network.
There is an error in the startup
node PLC.
Probable cause
---
When the ERH indicator is
flashing, remake and set the
data link tables.
Refer to 5-2-2 Manual Setting
and set data link tables for the
startup node.
Refer to 5-2-4 Automatic Set-
ting and set the automatic
parameters for starting the
data links.
Use a Controller Link Unit that
supports automatic data link
creation with 1:N allocations.
Refer to Automatic Setting on
page 131 for details.
Stop the manually set data
links that are operating and
restart the data links.
Stop the automatically set data
links that are operating and
restart the data links.
Refer to the PLC’s operation
manual and correct the error. If
the error reoccurs, replace the
PLC.
Probable remedy
Section 9-1
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