Rockwell Automation Publication 42EF-UM001A-EN-P - September 2015 3
Installation
Chapter 2
Installation
User Interface
LED Status
The Standard IO operation table provides LED status in the RUN mode during
operation. The sensor is always in RUN mode, except when being taught.
Standard IO Operation (Auto PNP/NPN)
Operating Mode Indication
IO-Link Operation Mode Indication
Alignment Indication
The green LED can also serve as a set-up alignment aid, which indicates that a
margin of 1.5, has been reached. The indication means that the sensor is receiving
at least 1.5 times the signal strength back from the target that is required to
trigger an output signal. In general, it is desirable to have a higher margin to help
overcome any deteriorating environmental conditions, for example, dust build-
up on the sensor lens. When aligning the sensor, the preferred performance can
be obtained if this margin indicator is illuminated with the target in place. When
Green
OFF Power is OFF
ON Power is ON
Flashing (6 Hz) Unstable light: 0.8 X < margin < 1.5 X
Flashing in (1.4 Hz) Output short circuit protection active
Orange
OFF Output de-energized
ON Output energized
Green
OFF Power is OFF
Flashing (1 Hz) Power is ON
Orange
OFF Output de-energized
ON Output energized
Green LED
Orange LED
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