Only the signal with the highest priority is displayed. The signals are listed in descending priority.
Balluff Standard
LED meaning and configuration – Balluff Standard
Name
Signal
Meaning
Device Discovery
Blue flashing, 3 Hz
The Device Discovery can be activated via a system command to find the device again.
Short Circuit Pin 2 / Pin 4
Red flashing, 3 Hz
Short circuit at pin 2 or pin 4
Measurement Error
Red flashing, 1 Hz
This signal occurs if a measurement error occurs. The measurement value is unknown due to an error or outside of the measuring range.
Failure
Static red
General error
Teach-in
Static red
The device is currently in teach-in mode.
Maintenance Required
Blue, static
Maintenance must be performed.
Overload
Orange, flashing, 3 Hz
Overload on pin 2 / pin 4 has been detected.
Out of Specification
Yellow flashing, 3 Hz
The device is operated outside of specifications. A reliable measurement signal can no longer be ensured.
Communication
Green alternating with LED off at ratio of 10:1, 1 s period
IO-Link communication is active. The device is ready.
Ready
Static green
The device is ready.
Namur Standard
LED meaning and configuration – Namur Standard
Name
Signal
Meaning
Device Discovery
Blue flashing, 3 Hz
The Device Discovery can be activated via a system command to find the device again.
Short Circuit Pin 2 / Pin 4
Red flashing, 3 Hz
Short circuit at pin 2 or pin 4
Measurement Error
Red flashing, 1 Hz
This signal occurs if a measurement error occurs. The measurement value is unknown due to an error or outside of the measuring range.
Failure
Static red
General error
Teach-in
Static red
The device is currently in teach-in mode.
Maintenance Required
Blue, static
Maintenance must be performed.
Overload
Orange, flashing, 3 Hz
Overload on pin 2 / pin 4 has been detected.
Out of Specification
Yellow flashing, 3 Hz
The device is operated outside of specifications. A reliable measurement signal can no longer be ensured.
Communication
Green alternating with LED off at ratio of 10:1, 1 s period
IO-Link communication is active. The device is ready.
Ready Diagnosis On
Static green
The device is ready. Diagnosis functions are on.
Ready Diagnosis Off
Static white
The device is ready. Diagnosis functions are switched off.
ISDU
LED meaning and configuration – ISDU
Name
Index
Subindex
Access
Length
Data Type
Data Storage
Default
LED Standard Selection
0x00FD (253)
0
R/W
1 byte
UINT8(ENUM)
Yes
0
LED Standard Selection
It is possible to select between two different signaling standards with the help of a parameter. The parameter defines which signaling standard is to be used:
LED meaning and configuration – LED Standard Selection
Value
Standard
0
BALLUFF
1
NAMUR
The parameter is reset by the commands ApplicationReset and Factory Reset (also see Reset Commands).