CV500BC031 Omron, CV500BC031 Datasheet - Page 299
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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9-1
9-1-1
Troubleshooting with RUN, ERC, ERH and INS Indicators
274
Troubleshooting Using Indicators
Troubleshooting Using Indicators
CS/CJ-series Controller Link Units
Note Be sure to turn off the power to the PLC before performing any of the follow-
This section describes the errors indicated by the Controller Link Unit indica-
tors and possible remedies.
The RUN, ERC, ERH, and INS indicators can be used to check whether Con-
troller Link Unit startup and Network participation are operating normally.
ing.
Lit
Not lit Lit
RUN
• Disconnecting the Unit or connectors.
• Securing Units or connectors.
• Setting hardware switches.
Not lit Not lit Lit
ERC
Indicators
RUN:
ERC:
ERH:
INS:
LNK:
M/A:
TER:
CS-series Unit
---
ERH
CLK21-V1
RUN
ERC
INS
SD
RD
Operating
Communications error
PLC error
Network participation
Data link
Data link mode
Terminating resistance
---
INS
Unit operating normally;
Network participation nor-
mal.
Node address is set out of
range.
Controller Link Unit faulty.
Wired Network 62 Node
Enable Bit is set incor-
rectly.
ERH
M/A
LNK
TER
Probable cause
CJ-series Unit
CLK21-V1
RUN
TER
ERC
ERH M/A LNK RD
---
Set the node addresses to
between 1 and 32.
If the ERC indicators still
lights when the Unit is
mounted on another PLC,
replace the Controller Link
Unit.
Turn ON the Wired Net-
work 62 Node Enable Bit
and turn the power supply
OFF and ON.
Probable remedy
INS
SD
Section 9-1
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