26
Lifetime of a laser diode: 50000 hours
12.1 Fault indication
Display
Possible
cause
Switching output
Current output /
voltage output
IO-Link process value distance
3)
IO-Link process
value object reflectivity
3)
[Hno] [Hnc] [Fno] [Fnc] [ASP] <
[AEP]
[ASP] >
[AEP]
[++]
too much
light,
e�g� reflective
surface
ON OFF OFF ON 3,5 mA /
0 V
20,5 mA /
10 V
NoData
OL
[- -]
too little light,
no object
OFF ON OFF ON 20,5 mA /
10 V
3,5 mA /
0 V
NoData
UL
[nEAr]
object to be
measured
outside the
measuring
range < 0�2 m
ON OFF OFF ON 3,5 mA /
0 V
20,5 mA /
10 V
UL
NoData
[FAr]
object to be
measured
outside the
measuring
range > 18 m
OFF ON OFF ON 20,5 mA /
10 V
3,5 mA /
0 V
OL
NoData
[Errp]
plausibility
(e�g� object
too fast)
X
1)
X
1)
X
1)
X
1)
X
1)
X
1)
X
1)
X
1)
[LoFF]
laser switched
off
OFF ON OFF ON 20,5 mA /
10 V
3,5 mA /
0 V
NoData NoData
[SC1]
short circuit in switching output 1
2)
2)
n�a�
n�a�
[SC2]
short circuit in switching output 2
2)
2)
X
1)
X
1)
[SC]
short circuit in all switching outputs
n�a�
n�a�
1)
unchanged
2)
[SC1] or [SC] only active, if output 2 is configured as switching output�
3)
See IODD of the device