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13.4. EX245-LA1 / LB1
No.
Problem
An IO-Link device is not
1
operating.
Signals are not
received from the
connected sensor
2
(when IO-Link module
pin is configured as a
Digital Input)
The connected load is
not operating (when
3
IO-Link module pin is
configured as a Digital
Output)
Status indicator (LED
4
0, 2, 4, 6) is red ON.
Status indicator (LED
5
1, 3, 5, 7) is red ON.
(EX245-LB1 only)
Table. 13-9 Troubleshooting for EX245-LA1 / LB1
Possible cause
Incorrect wiring.
The configuration data sent by the IO
Controller does not match the actual
device.
US1 is not present.
US2 is not present.
P24 load is not operating
IO-Link device is faulty.
IO Controller program is incorrect
Incorrect wiring.
US1 is not present.
Sensor is faulty.
Incorrect wiring.
US1 is not present.
Load is faulty.
"Pin 4: C/Q" and "Pin 3: L-" or
"Pin 1: L+" and "Pin 3: L-" of the
connection have over current.
"Pin 2: P24" and "Pin 5: N24" of the
connection have over current.
- 84 -
Remedy
Check the wiring and pin numbers.
Refer to
9.3 Wiring
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
Check the supply for the IO-Link
device.
Check the supply for the P24 load.
Check the IO-Link device
Check the IO Controller program
Check the wiring and pin numbers.
Check the supply for the sensors.
Check the sensor.
Check the wiring and pin numbers.
Check the supply for the loads.
Check the load.
Check the IO-Link device or
sensor.
Check the cable.
Check the wiring and pin numbers.
Check the IO-Link device.
Check the cable.
Check the wiring and pin numbers.
No.EX※※-OMW0011-B
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