7-4
Troubleshooting
Symptom
Front LEDs
(on this
product)
Cyclic
communication
ÀDJ
Error code
(hexadecimal)
Probable cause
Procedure
When changing
the initial value,
the total process
output data of
all connected
IO-Link devices
exceeds 32
ZRUGV
bytes) while
extended access
is disabled. Or,
it exceeds 28
ZRUGVE\WHV
while extended
access is
enabled.
z
If there is process data that
does not need to be allocated:
Ensure that the process data of
all connected IO-Link devices
GRHVQRWH[FHHGZRUGV
E\WHVRUZRUGVE\WHVIRU
output. Set the following values
and manually set the process
GDWDIRUHDFKFKDQQHOUHVWULFW
and allocate the number of works
for output for the IO-Link device
on each channel to this product).
•
Process data words auto
DOORFDWLRQVHWWLQJYDOXH
number: M42): None
or
•
Process output data words
DOORFDWLRQVHWWLQJYDOXH
number: M41)
z
If there is no process data that
does not need to be allocated:
Use an additional product to
reduce the number of IO-Link
devices connected to this product
using IO-Link communication.
EVENT
LED
ÀDVKLQJ
yellow
(YHQWÀDJ
ON
-
'HYLFHHYHQWHUURUOHYHO
occurring in IO-Link device
Check the event/error display
window or send a noncyclic
communication program from
WKH¿HOGQHWZRUNPDVWHUWR
read the event code. Refer
to the manual for the IO-
Link device being used and
perform troubleshooting.
ALARM
LED
ÀDVKLQJ
red
(UURUÀDJ
ON
FFFA
Field network communication
stopped
&RQ¿UPWKHVWDWXVRIWKH
¿HOGQHWZRUN
FFFB
IO-Link device not connected
&RQ¿UPWKDWWKHDSSOLFDEOH,2
Link device is connected.
Or, change the setting value for
GHYLFHYDOLGDWLRQVHWWLQJYDOXH
QXPEHU0WR³1RQH´
Or, set the I/O assignment
VHWWLQJVVHWWLQJYDOXHQXPEHU
M10) to a value other than
³,2/LQN´IRUDQ\FKDQQHOVQRW
connected to an IO-Link device.
FF23
The vendor ID or device ID
GLႇHUVEHWZHHQWKHVWRUHGGDWD
and the connected IO-Link
device.
&RQ¿UPWKHYHQGRU,'DQG
device ID of the applicable
IO-Link device. Or, clear
the storage data.
FFF3
The revision ID of the IO-
Link device to validate is not
UHJLVWHUHGLQWKLVSURGXFWK
Change the setting value
for device validation
VHWWLQJYDOXHQXPEHU
0WR³1RQH´
Or, register the revision
ID of the IO-Link device to
verify.
Ramco Innovations www.optex-ramco.com (800) 280-6933