Omron E3NW-CCL, User Manual

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7 - 3
7 Troubleshooting and Maintenance
E3NW-CCL CC-Link Digital Sensor Communications Unit User’s Manual (E431)
7-1
Tr
o
u
b
lesho
o
ting
7
7-1
-2 T
roubleshooting Error
s S
pecific to the E3NW
-CC
L
*1 You can determine if it is a power supply error/Unit malfunction or communications error/switch settings error
by checking the indicators on the Communications Unit when an Amplifier Unit is connected to the
Communications Unit.
The SS indicator is either green, red, or OFF based on the connection status of the Amplifier Unit, regardless of
any communications problems.
For details on this indicator and how it relates to the Amplifier Unit connection status, refer to the section on the
SS indicator in
5-3-1 Status Indicators .
Troubleshooting Parameter Setting Mistakes
Refer to the manual for your CC-Link master for details on parameter setting errors other than those
listed above.
Not lit. Not lit. Not lit.
The Unit is
malfunctioning. Unit hardware
malfunction
Check the following items for CC-Link
communications cables. If none of these
resolves the problem, the Unit has
malfunctioned. Replace the E3NW-CCL
Unit.
• Are the signal wires connected
properly?
• Are there any disconnections?
• Are you using only CC-Link-authorized
products?
• Is there any noise?
• Is the Amplifier Unit connected?
7-1-2 Troubleshooting Errors Specific to the E3NW-CCL
Parameter
Method for checking on the
master station
Solution
CC-Link mode
setting
• Error station detection in the
CC-Link diagnostics
• CC-Link error code: B823
(Remote Control Mode Error)
• Determining the station where
the error occurred: SW0144 to
SW0147 (CC-Link Version
Mounting/Parameter Matching
Status)
Set the CC-Link mode based on the operating mode of the
Communications Unit as follows:
Station type • Error station detection in the
CC-Link diagnostics
• CC-Link error code: B30A
• Determining the station where
the error occurred: SW009C to
SW009F (Mounting/Parameter
Matching Status)
Set the CC-Link mode based on the operating mode of the
Communications Unit as follows:
Allocated
station number
Expanded
cyclic setting
RUN
Indicator
ERR
Indicator
SS
Indicator *1
Description Cause Solution
Reduced I/O Mode Monitor Mode
Select one of the following:
(1) Remote network version 1
mode
(2) Remote network version 2
mode
(3) Remote network addition
mode Select one of the following:
(1) Remote network version 2
mode
(2) Remote network addition
mode
Operating mode Reduced I/O Mode Monitor Mode
Station type Remote device
station or version 1
remote device
station
Version 2 remote
device station
Allocated station
number 2 3
Expanded cyclic
setting --- Quadruple