Omron CS1W-RPT01 Benutzerhandbuch
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Troubleshooting Using Indicators
Section 9-1
9-1
Troubleshooting Using Indicators
This section describes the errors indicated by the Controller Link Unit indica-
tors and possible remedies.
tors and possible remedies.
9-1-1
CS/CJ-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.
troller Link Unit startup and Network participation are operating normally.
Note Be sure to turn off the power to the PLC before performing any of the follow-
ing.
• Disconnecting the Unit or connectors.
• Securing Units or connectors.
• Setting hardware switches.
RUN: Operating
ERC: Communications
ERC: Communications
error
ERH: PLC
error
INS: Network
participation
LNK: Data
link
M/A: Data
link
mode
TER: Terminating
resistance
CS-series Unit
CJ-series Unit
RUN
ERC
INS
SD
ERC
INS
SD
RD
M/A
LNK
LNK
ERH
CLK21-V1
TER
RUN
CLK21-V1
ERC
INS
ERH M/A LNK
RD
TER
SD
Indicators
Probable cause
Probable remedy
RUN
ERC
ERH
INS
Lit
Not lit Not lit Lit
Unit operating normally;
Network participation nor-
mal.
Network participation nor-
mal.
---
Not lit Lit
---
---
Node address is set out of
range.
range.
Set the node addresses to
between 1 and 32.
between 1 and 32.
Controller Link Unit faulty.
If the ERC indicators still
lights when the Unit is
mounted on another PLC,
replace the Controller Link
Unit.
lights when the Unit is
mounted on another PLC,
replace the Controller Link
Unit.
Wired Network 62 Node
Enable Bit is set incor-
rectly.
Enable Bit is set incor-
rectly.
Turn ON the Wired Net-
work 62 Node Enable Bit
and turn the power supply
OFF and ON.
work 62 Node Enable Bit
and turn the power supply
OFF and ON.