MemoTrans
14
8.2.1 LED Display
LED messages signal the status of the device and sensor.
LED behavior
Status
Green
Blinks quickly
Everything OK.
Device starting up.
Green
Blinks twice
Everything OK.
Read out Memosens sensor information from sensor to transmitter (sensor type,
calibration data, etc.)
Green
Blinks slowly
Everything OK.
Sensor and device OK and functioning correctly.
Green
Blinks quickly three times
Everything OK.
Measured value at PLC in automatic HOLD.
If the “Sensor replacement alarm delay” is exceeded, the device transmits a signal on
alarm.
The automatic hold is set to 30 seconds but can be configured to suit the customer’s
needs.
Red
Blinks quickly
Failure of device or sensor
Error status signal as per NAMUR NE107.
Red, green
Blinks three times red
alternating with three times
green
Squawk
Squawk is signaled briefly while the connection is established. This makes it possible to
locate the device more quickly, e.g., when several devices are installed, you can see
which one the connection is established with.