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BFD 3SAP-19N000-U01-LA2-C_ _ _ _ _
Ultrasonic sensors
7
System Functions (continued)
7.6
LED Meaning and Configuration
7.6.1
Description
Only the signal with the highest priority is displayed. The
signals are listed in descending priority.
Balluff Standard
Name
Device Discovery
Short Circuit Pin 2 / Pin 4
Measurement Error
Failure
Teach-in
Maintenance Required
Overload
Bad Signal Quality
Out of Specification
Function Display
Communication
Ready
Tab. 7-19: LED meaning and configuration – Balluff Standard
www.balluff.com
Signal
Blue, flashing, 3 Hz
Red, flashing, 3 Hz
Red, flashing, 1 Hz
Red static
Red static
Blue, static
Orange, flashing, 3 Hz
Orange, flashing, 1 Hz
Yellow, flashing, 3 Hz
Yellow, static
Green alternating with LED off in
the ratio 10:1, 1 s period
Green static
Meaning
The Device Discovery can be activated via a system
command to find the device again.
Short circuit at pin 2 or pin 4
This signal occurs if a measurement error occurs. The
measurement value is unknown due to an error or
outside of the measuring range.
General error
The device is currently in teach-in mode.
Maintenance must be performed.
Overload on pin 2 / pin 4 has been detected.
Poor signal quality, the signal quality is below the
configured warning threshold.
Possible causes: Contamination, air bubbles, etc. in the
system.
The device is operated outside of specifications. A
reliable measurement signal can no longer be ensured.
The object was detected. / Switching point is active.
IO-Link communication is active. The device is ready.
The device is ready.
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