CV500BC031 Omron, CV500BC031 Datasheet - Page 315
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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 with the PWR Indicator
Troubleshooting with the T/R1 and T/R2 Indicators
9-2
290
Status Area and Troubleshooting
Lit
Not lit
Lit or
flashing
Not lit
indicator
indicator
status
status
Status Area and Troubleshooting
Power is being sup-
plied normally
Power supply error
The Unit is commu-
nicating normally.
Communications
error (transmission
signal error or no
signal)
Unit status
Unit status
---
Power supply
cables
Power supply
Repeater Unit
---
Communica-
tions cables
Other nodes
Repeater Unit
Possible error
Possible error
The status of the Unit and the communications status of the Controller Link
Unit is recorded in the Status Area of the PLC. The cause of errors can be
found by searching the Status Area. The Status Area can be read using a Pro-
gramming Console, the SYSMAC Support Software, or the Controller Link
Support Software.
This section explains the contents of the Status Area and tells how to trouble-
shoot errors recorded there.
---
Cables are loose.
Cables are broken.
Cable polarity is incorrect.
Power supply voltage or current is
wrong.
The Repeater Unit is faulty.
Unit operating normally.
Cables are loose.
Cables are broken.
Cable polarity is incorrect.
Noise interference in cables.
The destination node does not
exist.
The destination node has an
error.
Terminating resistance is set
incorrectly.
The baud rate setting is incorrect. Check that the same baud rate is
Noise interference
The Repeater Unit is faulty.
Probable cause
Probable cause
---
Check the cable connections.
Check whether any of the cables
are broken.
Check the cable connections.
Check the wiring environment of
the cables.
Check the destination Controller
Link Unit status (power supply,
cable connections).
Check the destination Controller
Link Unit status (baud rate setting,
terminating resistance settings,
statuses, error log, etc.).
Check the terminating resistance
setting for the network.
set for all nodes in the same net-
work.
Check the operating environment
of the Unit.
Replace the Repeater Unit.
---
Check the cable connections.
Check whether any of the cables
are broken.
Check the cable connections.
Check the power supply voltage,
and replace the power supply with
a Power Supply Unit that will pro-
vide a correct supply.
Replace the Repeater Unit.
Probable remedy
Probable remedy
Section 9-2
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