CV500BC031 Omron, CV500BC031 Datasheet - Page 306
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 Using Indicators
9-1-2
Troubleshooting with RUN, ERC, ERH and INS Indicators
C200HX/HG/HE and CQM1H-series Controller Link Units
Note Be sure to turn off the power to the PLC before performing any of the follow-
Configuring a Network with 32 Nodes or Less
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.
The node is not
present in the net-
work.
(ERC indicator: ON
RUN indicator: OFF
INS indicator: OFF)
The maximum num-
ber of nodes in the
network is set to 62.
The data link status
is showing statuses
for 62 nodes.
The network partici-
pation status is
showing statuses for
62 nodes.
Lit
Not lit Lit
RUN
• Disconnecting the Unit or connectors.
• Securing Units or connectors.
• Setting hardware switches.
Problem
Not lit Not lit Lit
ERC
Indicators
---
ERH
CLK21
RUN
ERC
INS
SD
C200HX/HG/HE Unit
---
The node with the
ERC indicator ON is
set to a node
address of 33 or
higher.
A CS1W-CLK21-V1,
CS1W-CLK23,
CJ1W-CLK21-V1, or
CJ1W-CLK23 is
present in the net-
work.
The corresponding
node is a CS1W-
CLK21-V1, CS1W-
CLK23, CJ1W-
CLK21-V1, or CJ1W-
CLK23.
INS
RD
Unit operating normally;
Network participation nor-
mal.
Controller Link Unit faulty.
RUN:
ERC:
INS:
LNK:
M/A:
TER:
Status
TER
ERH
M/A
LNK
Probable cause
Operating
Communications error
Network participation
Data link
Data link mode
Terminating resistance set
Reset the node address between 1 and
32, then turn the power OFF and ON
again.
The Wired Network 62 Node Enable Bit
in the DM Parameters Area of the
CS1W-CLK21-V1, CS1W-CLK23,
CJ1W-CLK21-V1, or CJ1W-CLK23 is
ON. Turn OFF the Wired Network 62
Node Enable Bit, then turn the power
supply OFF and ON again.
CQM1H-series Unit
RUN
ERC
INS
SD
CLK21
Cause and Remedy
RD
---
If the ERC indicators still
lights when the Unit is
mounted on another PLC,
replace the Controller Link
Unit.
Probable remedy
TER
ERH
M/A
LNK
Section 9-1
281
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