Omron CVM1-CLK21, Руководство по эксплуатации

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Troubleshooting Using Indicators Section 9-1
9-1-3 CVM1 and CV-series Controller Link Units
Troubleshooting with RUN, ERC, ERH and INS Indicators
The RUN, ERC, ERH and INS indicators can be used to check whether Con-
troller Link Unit startup and Network participation are operating normally.
Note Be sure to turn off the power to the PC before performing any of the following.
• Disconnecting the Unit or connectors.
• Securing Units or connectors.
• Setting hardware switches.
RUN
ERC
INS
SD
ERH
LNK
RD
TER
M/A
CLK21
RUN: Operating
ERC: Communications
error
INS: Network participation
LNK: Data link
M/A: Data link mode
Indicators Probable cause Probable remedy
RUN ERC ERH INS
Lit Not lit Not lit Lit Unit operating normally;
Network participation nor-
mal. ---
Not lit Lit --- --- Controller Link Unit faulty. If the ERC indicators still
lights when the Unit is
mounted on another PC,
replace the Controller Link
Unit.
Not lit Not lit Not lit Not lit Power is not being sup-
plied correctly to the PC.
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 slot. Refer to 3-2-2 CVM1 and
CV-series PCs and mount
the Unit correctly.
The Controller Link Unit is
faulty. If the indicators do not light
when the Unit is mounted
in another PC, replace the
Controller Link Unit.
Lit Lit --- Not lit The node address is out-
side the setting range.
Reset the node address to
within the 1 to 32 range.
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.