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No.EX※※-OMW0011-B
13.4. EX245-LA1 / LB1
Table. 13-9 Troubleshooting for EX245-LA1 / LB1
1
An IO-Link device is not
operating.
Incorrect wiring.
Check the wiring and pin numbers.
Refer to 9.3 Wiring
The configuration data sent by the IO
Controller does not match the actual
device.
Ensure the settings for the IO-Link
module are appropriate for the
connected IO-Link device
Configure the IO-Link device
parameters according to the actual
device.
Refer to 9.8 Parameterisation
US1 is not present.
Check the supply for the IO-Link
device.
US2 is not present.
P24 load is not operating
Check the supply for the P24 load.
IO-Link device is faulty.
IO Controller program is incorrect Check the IO Controller program
2
Signals are not
received from the
connected sensor
(when IO-Link module
pin is configured as a
Digital Input)
Incorrect wiring. Check the wiring and pin numbers.
US1 is not present. Check the supply for the sensors.
Sensor is faulty. Check the sensor.
3
The connected load is
not operating (when
IO-Link module pin is
configured as a Digital
Output)
Incorrect wiring. Check the wiring and pin numbers.
US1 is not present. Check the supply for the loads.
Load is faulty. Check the load.
4
Status indicator (LED
0, 2, 4, 6) is red ON.
“Pin 4: C/Q" and "Pin 3: L-" or
"Pin 1: L+" and "Pin 3: L-" of the
connection have over current.
Check the IO-Link device or
sensor.
Check the cable.
Check the wiring and pin numbers.
5
Status indicator (LED
1, 3, 5, 7) is red ON.
(EX245-LB1 only)
"Pin 2: P24" and "Pin 5: N24" of the
connection have over current.
Check the IO-Link device.
Check the cable.
Check the wiring and pin numbers.