Status Area And Troubleshooting - Omron SYSMAC CS1W-RPT01 Operation Manual

Status Area and Troubleshooting

Troubleshooting with the PWR Indicator
indicator Unit status
status
Lit Power is being sup-
plied normally
Not lit Power supply error
Troubleshooting with the T/R1 and T/R2 Indicators
indicator Unit status
status
Lit or The Unit is commu-
flashing nicating normally.
Not lit Communications
error (transmission
signal error or no
signal)
9-2 Status Area and Troubleshooting
290
Possible error
--- ---
Power supply Cables are loose.
cables
Cables are broken.
Cable polarity is incorrect.
Power supply Power supply voltage or current is
wrong.
Repeater Unit The Repeater Unit is faulty.
Possible error
--- Unit operating normally.
Communica- Cables are loose.
tions cables
Cables are broken.
Cable polarity is incorrect.
Noise interference in cables.
Other nodes The destination node does not
exist.
The destination node has an
error.
Repeater Unit 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.
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.
Probable cause
Probable cause
Section 9-2
Probable remedy
---
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
---
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.