CV500BC101 Omron, CV500BC101 Datasheet - Page 299

• Manufacturer Part Number: CV500BC101
• Description: Programmable Logic Controller
• Manufacturer: Omron

Specifications of CV500BC101

• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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